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About Us
Overview
Endesco, Inc., founded in 1997, is an award-winning multi-disciplined civil engineering design, consulting, and construction management firm based in the Washington Metropolitan Area. We are certified as a small minority-owned disadvantaged business enterprise (MBE/DBE/SBE) with the Metropolitan Washington Unified Certification Program (DDOT and WMATA), Maryland, Virginia, Pennsylvania, NJDOT / NYDOT / PANJNY, Texas, Florida, and local counties and municipalities.
The Team
Our team is composed of registered Professional Engineers (PE), Ph.D.’s in engineering and science, licensed Project Management Professional (PMP), Certified Construction Managers (CCM), certified Project Scheduling Professional (PMI-SP), Professional Traffic Operations Engineers (PTOE), Geographic Information Systems Professionals (GISP), and Engineers In-Training (EIT).
We understand what it takes to partner with the State DOTs, Counties and the Cities on task assignment contracts and possess relevant experience to provide technical services and obtain required field data. We have a proven management structure experienced in preparing task proposals, providing staff training to effectively implement our quality assurance program for field services, and employing financial controls for tracking costs, preparing invoices and optimizing team utilization. Our key mission is to provide excellence in client service and project delivery on time and within budget. We take proactive approach to plan, organize and provide leadership. We remain attentive to client and stakeholders’ concerns and manage engineering projects from conception to completion placing special emphasis on safety, time, cost, quality and standard of services important to each client.
Awards
- I-270 at Watkins Mill Road Interchange, MDOT: 2021 MdQI Modal Over $5M Category
- Interstate 66 (I-66) / Route 15 interchange, VDOT: 2018 DBIA Design Build Project of the Year, 2018 VTCA Transportation Engineering Awards – Design Build Winner, 2017 HCCA Excellence in Infrastructure
- The Inter-County Connector Contract B, MDOT: The Best Transportation Engineering Project, 2012 Award for the Mid-Atlantic Region by the ENR
- I-95 Express Lanes, VDOT: 2015 America’s Transportation Awards, by AASHTO, AAA and the U.S. Chamber of Commerce
- Downtown DC Multimodal Signal Optimization Project, DDOT: 2021 ACEC Metro Washington Grand Award in Non-Design Category
Contact Us
Endesco ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiencies, contact our Human Resources Division at (301) 987-8776(TTY/TDD users, call 711).
Endesco is an Equal Opportunity Employer.
Maryland Office (Headquarters):
15245 Shady Grove Road, Suite 335
Rockville, MD 20850
Virginia Office:
4605-C Pinecrest Office Park Drive
Alexandria, Virginia 22312
Telephone: (01) 301-987-8776
Fax: (01) 301-987-8777
Services
Water Resources
- Stormwater Management
- Hydraulics and Hydrology
- Erosion and Sediment Control
- Storm Drainage Design
- Flood Plan Studies and FEMA Permitting
- Bridge Hydraulics and Scour Analysis
Transportation Planning & Traffic Engineering
- Traffic Control Device Analysis & Design (Traffic Signal, Signage and Pavement Marking)
- Traffic Impact Studies
- Traffic Simulation and Analysis
- Traffic Control Plan for Construction
- Traffic Safety Study and Mitigation
- Parking Consulting Services
- Transit Facility Studies
- Airport Landside Traffic Studies
Traffic Data Collection
- Video, tubes, radars, microwaves, lasers, license plate readers
- Drone video data collections (FAA licensed)
- Intersection Turning Movements
- Highway Segments / Ramps
- Vehicle Volume, Classification, Speed
- Motor Vehicles, Bicycles, Pedestrians, Trail Users
- License Plate Survey
- Parking Lot/Garage Turnover & Occupancy Survey
Roadway & Lot Lighting Design
- Lighting Warrant Study
Photometric Analysis (AGI-32) - Roadway Lighting Design (IESNA-RP-8)
- Sign Lighting Design
- Parking Lot Lighting Design
- WMATA Metro Station Lighting Design
- Bridge Navigation Lighting Design
- Light Trespass Analysis and Mitigation (IESNA-RP-33)
- Electrical Calculations and Design
Roadway Design / Site Development Design
- Roadway Geometry Design
- Pavement Evaluation and Design
- Site Development Design including Layout, Grading, Stormwater Management, Erosion & Sediment Control, and Permitting
- Site Subdivision and Rezoning
- Access Management
- Pedestrian Walkways, Bikeways and Parking Lots
- Design for ADA compliance
Project & Construction Management (PM/CM)
- Construction Inspection
- CPM Scheduling
- Forensic Analysis
- Time Impact Analysis
- Claim Analysis & Negotiation
- Change Order Analysis
- Contract Administration
- Quality Assurance / Quality Control (QA/QC)
- Project Cost Analysis
- Risk Assessment
- Constructability Review
- Project Control & Performance Evaluation
Environmental Engineering
- Noise Monitoring and Analysis
- Air Quality Analysis
- Environmental Compliance
- Field Inspection of Construction Activities
- Agency Coordination
Geographic Information System (GIS)
- Data Capture, Representation, Analysis, and Management
- Data Analytics & Visualization
- Performance Dashboard
- Topological and Hydrological Modelling
- NPDES Geo-Database Recorders Tracking and Reporting
Gallery of Sample Projects (Contact us for more):
WMATA, General A/E/C Services – PMCM and Engineering Support Services IDIQ, DC/MD/VA
Owner: Washington Metropolitan Area Transit Authority (WMATA) Description: Under this on-call IDIQ project, Endesco is assisting WSP and WMATA in providing assistance to review, evaluate, and comment on conceptual design/plans related to parking operations and structures; pedestrian/bicycle equipment and facilities; equipment and traffic configurations; access to roadway networks; vehicle and pedestrian access structures, or other...
William P Hobby Airport (HOU) Master Plan Update, Landside Traffic, Houston, Texas
Owner: Houston Airport System (HOU) Description: As a subconsultant of Ricondo, we provide the following services:...
Washington Metro Silver Line/Dulles Metrorail Phase II, Virginia
Owner: Metropolitan Washington Airports Authority (MWAA) Description: In this Design-Build Washington metro rail extension project, Endesco verified, established, and updated existing and proposed drainage areas for all drainage structures. Endesco performed inlet, storm sewer, HGL, minor culvert, underdrain, track drain analysis and design. Endesco provided all necessary VDOT and/or WMATA hydrologic and hydraulic analysis reporting...
Virginia Passenger Rail Authority – Franconia-Springfield Bypass Construction Manager/General Contractor, Fairfax County, VA
Owner: Virginia Passenger Rail Authority (VPRA) Description: As a subconsultant of the Flatiron / Herzog joint venture, Endesco is providing the following Environmental Compliance consulting services:...
VDOT Traffic Engineering Services Northwest Region Operations (NWRO), VA
Owner: VDOT Description: As subconsultant to ATCS, Endesco provided traffic data collection services and analysis on four task orders as follows. Task 101.3 Culpeper District US250@State Farm Blvd Manual Data Collection Task 101.4 Liberty University Drive & Liberty Mountain Drive Data Collection, Lynchburg District Task 101.5 Culpeper District RT600 (S Boston Road) & the Riverside...
VDOT Data-Validation Services in Support of Commuter Parking Information System (CPIS)
Owner: VDOT Description: as a subconsultant to Kapsch TrafficCom, we are independently collecting and documenting the parking lot data necessary to validate the timeliness and accuracy of changes in VDOT commuter parking lots, using videos, drones, and manual field reviews...
Transportation and Parking Data Collection for Fairfax County, Virginia
Owner: Fairfax County Department of Transportation Description: We have been providing Transportation and Parking Data Collection services for FCDOT since 2005...
Transform I-66 Outside the Beltway (Express Lanes in Northern Virginia) (Design/Build), VA
Owner: VDOT, FAM Description: This Public-Private Partnership (P3) project modifies nearly 23 miles of I-66 providing two express lanes alongside three regular lanes from I-495 to Route 29. Endesco provided the following technical services:...
Transfer Station Traffic Impact Study in Washington, DC
Owner: Private...
Traffic, Air Quality, and Noise Analysis for the Fairfax County Parkway, Phase III, Fairfax, VA
Owner: Fairfax County DOT, VA Description: We were responsible for the traffic, air quality, and noise analysis for the design/build project. We collected traffic data and developed traffic forecasts and diurnal data for air quality and noise analysis. CAL3QHC was run for CO analysis. MSAT and particulate matter was also addressed. The TNM Model was...
Traffic Signal Timing Technical Support for MDOT SHA OOTS TDSD, Prince George’s County, Wicomico County, Harford County, Baltimore County, MD
Owner: MDOT SHA Description: Endesco is providing traffic signal timing improvement services for 10+ corridors statewide...
Traffic Impact Study for a Daycare in Montgomery County, MD
Owner: Private...
Traffic Impact Study for a Brewery in Lovettsville, VA
Owner: Private...
Traffic Impact Study for “Simply Coffee” Free Standing in Vienna, VA
Owner: Private...
Traffic impact studies for new residential, commercial, and industrial developments, on-call services for the City of Aberdeen, MD
Owner: City of Aberdeen, MD Description: As a subconsultant to EXP, we are contracted to perform development and review of traffic impact studies for the City of Aberdeen, MD...
Traffic Data Collection On-Call Contracts, Montgomery County DOT, MD
Owner: Montgomery County Department of Transportation, MD. Description: For over two decades, Endesco staff has been collecting traffic volume, class and speed data using portable machines, video turning movement counts, pedestrian/bicycle counts, manual classification counts and spot speed studies using radar for the County. The traffic count program was conducted for a period ranging from...
Traffic Data Collection for multiple Agencies under Metropolitan Washington Council of Governments (MWCOG) on-call, Maryland, Virginia, and Washington D.C.; MWCOG
Owner: MWCOG. Description: Endesco staff collected traffic data for the MWCOG program for a period of eight years. The traffic count program included vehicle classification counts and vehicle counts in the District of Columbia, Maryland, and Virginia. Over 1,000 locations were counted during this period. The data collected was processed into agency-specific spreadsheet formats. The...
Traffic Data Collection for Maryland State Highway Administration (SHA), Statewide, MD
We have worked on the series of SHA BCS statewide traffic data collection contracts to collect traffic data for Maryland. The programs included portable machine counts, manual turning movement counts, vehicle classification counts, lane occupancy counts, vehicle occupancy counts, license plate survey, queue length measurement, origin-destination survey, travel time/speed and delay measurements, transit ridership counts...
Traffic Control Plan for MDSHA D3 Permit, 900 Olney Sandy Spring Road Redevelopment Project, Montgomery County, MD
Owner: Private Description: Endesco provided Traffic Control Plan design and permit application services to assist Christopher Consultants and its client in application of the MDSHA Permit (Form OOC113, Rev 2/24/2021)...
The Maryland-National Capital Purple Line Project in Montgomery and Prince George’s Counties, MD (Design/Build)
Owner: MTA and MDSHA Description: In this Public-Private-Partnership (P3) Design-Build project to build a 16-mile light rail system connecting major urban centers in the north Washington D.C. metro area, Endesco designed BMP facilities such as bio-retentions, sand filters, micro-bio-retentions for stormwater quality and quantity management to fit in the extremely confined public right of way...
Shared-Use-Path along MD 355 (Frederick Road) near Stringtown Road, Montgomery County, MD
Owner: Montgomery County DOT, MD Description: On this design project of a 2.5-mile SUP connecting schools, parks, churches, and communities, we performed services including:...
Scour Studies for Proposed Culvert and Retaining Wall within the Pecan Ridge Development, MD
Owner: Caruso Homes Description: Scour Studies for Proposed Culvert and Retaining Wall at Horsepen Branch within the Pecan Ridge DevelopmentBowie, Prince George’s County, MD...
Route 123 (Chain Bridge Road) Bridge Replacement, Fairfax City, Virginia
Owner: Fairfax City, VA Description: In this bridge reconstruction project, Endesco provided design services including H&H modeling, scour analysis, stormwater management, and E&S control design...
Rockville Evangelical Mission Church, Rockville, MD
Owner: REM Church Description: Site civil design, utility design, water resources design, permitting application...
Rectangular Rapid Flashing Beacon (RRFB) at Highview Place & M.L.K. Jr. Avenue, DC
Owner: DDOT Description: Development of design plans and construction cost estimate for RRFB installation and traffic improvements including marking and signage, to improve pedestrian safety in the school zone around the intersection...
Prince George’s County Community College (PGCC) Construction Management Owner’s Representative (CMA) Services, MD
Owner: PGCC Description: For the new 100,000-square-foot addition of Marlboro Hall Renovation, Endesco, as a subconsultant of Elocen, performs project control services including schedule development, delay claim analysis, risk analysis, construction performance evaluation, recommendations, etc...
Port Authority of New York & New Jersey Traffic Roadway Construction Permitting Services on-call, New Jersey, New York
Owner: Port Authority of New York & New Jersey (PANYNJ) Description: Performed the following technical services:...
Parking Inventory, Occupancy, and Turnover Data Collection for the Village of Johnson City Downtown Parking Plan and Feasibility Study, Johnson City, NY
Owner: Johnson City, NY Description: For this project, Endesco performed parking data collection and analysis as a subconsultant of DESMAN. Endesco conducted the following technical services: Based on the contexts and restrictions of the specific locations in the project area, Endesco staff used different methods including using drones and dashcams. Drones were used for aerial...
Noisy Study and Certification for Westridge Developments, Prince George’s County, MD
Owner: DRB Group Description: Endesco performed services including: Review Noise Studies and Site Plans, Review and Analyze Building Construction Materials, Certify the Model Types, Conduct Noise Monitoring at Selected Sites (Interior and Exterior)...
Noise Analysis for Widening of Route 15 Bypass Leesburg, Virginia
Owner: Town of Leesburg, VA Description: We conducted this study for the Town of Leesburg, Virginia. Existing noise levels were monitored during the peak hours. The existing traffic volumes were projected to the design year. STAMINA model was used to predict noise levels at the adjacent residential and commercial uses. Noise mitigation measures were developed...
New York Ave., Florida Ave., Gallaudet U Metro Station, Washington D.C.
Owner: Washington Metropolitan Area Transit Authority Description: In this award-winning project that added a new metro rail station at an economically underdeveloped urban neighborhood, Endesco prepared Traffic Control Plans (TCP) to enable construction of the new WMATA bridge extensions and Metropolitan Branch Trail Bridge over M Street and Florida Avenue. Endesco also performed streetlight design...
Montgomery County DOT Traffic Engineering #1140581, Task 1 On Site Support, Montgomery County, MD
Owner: MCDOT Description: Under this task, our traffic engineer performed on-site services at MCDOT, the Traffic Engineering Studies Section, Division of Traffic Engineering and Operations...
MDOT SHA Traffic Engineering Services D4, Task 6 – On-Site Traffic Engineer Support
Owner: MDOT SHA Description: Under this task, our staff provides full-time on-site consultant support service to MDOT SHA District 4 (320 W Warren Rd, Hunt Valley) as a Traffic Engineer...
MDOT SHA Traffic Engineering Services D1, On-Site Support, Salisbury, Wicomico County, MD
Owner: MDOT SHA Description: Under this task, Endesco traffic engineer provides on-site consultant support service as a Traffic Engineer at SHA D1 office 660 West Rd, Salisbury, Wicomico County...
MDOT SHA On-site Consultant Support at MDOT SHA OOTS TEDD, Hanover, Anne Arundel County, MD
Owner: MDOT SHA Description: Under this task, Endesco staff provides on-site consultant support at the SHA OOTS TEDD office (7491 Connelley Dr, Hanover, MD 21076) as a Project Manager...
MDOT SHA On-site consultant support at MDOT SHA D5 office, Anne Arundel County, MD
Owner: MDOT SHA Description: Under this task, Endesco staff is providing on-site consultant support as a project manager at District 5 office at 138 Defense Hwy, Annapolis, to assist SHA staff...
MDOT SHA On-site consultant support at MDOT SHA D3 office, Prince George’s County, MD
Owner: MDOT SHA Description: under this task, Endesco staff works on site at the MDOT District 3 office (9300 Kenilworth Ave, Greenbelt, MD 20770) to provide professional services as a Traffic Engineer...
MD 202 (Landover Road) from MD 450 (Annapolis Road) to 57th Avenue Crash Prevention, Prince George’s County, MD
Owner: MDOT SHA Description: The purpose is to provide resurfacing and safety improvements for approximately 1,850 linear feet (0.35 miles) and incorporates improvements through six (6) intersections.. For this project, Endesco is providing the following design services from Final Review through Phase V:...
Inter-County Connector (Design/Build) Contracts A and B, Montgomery County, MD
Owner: MTA and MDSHA Description: In this award-winning Design-Build project that built the state-of-art electronical tolling expressway, Endesco was responsible to develop SWM facilities (such as grass channels, underground storm filter, and bio-retentions), culvert designs, and phased erosion & sediment control plans to match the phased construction program. Endesco also designed plans for maintenance of...
I-95 Express Lanes in Northern Virginia, Virginia
Owner: VDOT Description: This Public-Private Partnership (P3) project provides 33 miles of HOT Lanes from Stafford County to Fairfax County. Endesco performed hydrologic and hydraulic analysis, drainage design, stormwater management, and erosion and sediment control design. Endesco utilized GIS technology to perform drainage area data for all storm drainage systems, MS-19 analysis, H&H analysis and...
I-66 & Route 15 Interchange Reconstruction, Prince William County, VA
Owner: VDOT Description: For this Diverge-Diamond Interchange construction project, Endesco provided water resource design services...
Hampton Roads Bridge-Tunnel (HRBT) Expansion, Hampton & Norfolk, Virginia (Design/Build)
Owner: VDOT Description: The largest infrastructure project in the history of Virginia, this $3.9 Billion design-build project will ease this congestion with the addition of twin 2-lane bored tunnels just west of the existing eastbound tunnel and addition of Express Lanes along the 10-mile segment on I-64. The Express Lanes will be managed lanes with dynamic tolling...
Flash Beacon Design on Newton St NW near Bancroft Elementary School, DC
Owner: DDOT Description: Development of design plans and construction cost estimate for flash yellow beacons installation to improve pedestrian safety in the school zone of the Bancroft Elementary School. Design included solar-powered TAPCON beacons...
Flash Beacon Design on 4th St SE near Ballou High School, DC
Owner: DDOT Description: Development of design plans and construction cost estimate for flash yellow beacons installation to improve pedestrian safety in the school zone of the Ballou High School. Design included solar-powered TAPCON beacons and speed reduction signs with hard-wired communication connecting to nearby cabinet at a signalized intersection...
Falls Church City Transportation Planning and Engineering Services On-Call (0723-21-TENG), City of Falls Church, VA
Owner: City of Falls Church, VA Description: As subcontractor to AMT, Endesco has performed ten task orders from the City of Falls Church. Completed tasks include: Task 1- Traffic counts on Gresham Pl and E Columbia St. Task 2 – Traffic counts on E. Jefferson St and N. Tuckahoe St. Task 4 – Greenway Downs...
Ellerslie Residential Development Noise Study, Prince George’s County, Maryland
Owner: Private Description: We performed the noise study for Ellerslie, LLC., who proposed to develop the property located in the northeast quadrant of U.S. 301 and Chew Road in Prince George’s County, Maryland, as a residential development. U.S. 301 is planned to be widened along with a service road. This study was commissioned to project...
Dulles Toll Road Traffic and Revenue Study for MWAA, Virginia
Owner: MWAA Description: We conduct this study for MWAA as a subcontractor to Stantec. Tasks included review of available traffic data and collection of new traffic data. Traffic data collection consisted of turning movement counts at intersections along the Toll Road, as well as 24-hour counts using portable machines. The counts also included mainline Toll...
DDOT Southwest/southeast Freeway Bridge (Bridge 1103, 1104 and 1109) Rehabilitation, Washington DC
Owner: DDOT Description: Under this major bridge rehabilitation project for DDOT, Endesco is performing lighting design services as a subconsultant to HDR, as an Engineer-On-Record (EOR) for the affected complex lighting system. Work included field review, photometric analysis, lighting reports, electrical design, lighting system design, and development of plans, specifications, and estimates for roadway lighting...
DDOT Citywide Traffic Signal Network Optimization, Washington D.C.
Owner: DDOT Description: In this award-winning (2021 Non-Design Grand Award from ACEC Metropolitan Washington) multi-year Vision-Zero program, we as a subconsultant perform a wide variety of service to improve the traffic network in the District of Columbia, to improve safety of pedestrians, bicyclists, and motorists, via modifying / upgrading signal hardware, signal phasing and timing...
DCA Airport terminal north/south exits to George Washington Parkway improvements, Arlington, VA,
Owner: Metropolitan Washington Airport Authority (MWAA) Description: Performed lighting design service. Work included: review as-built plans, conducted field investigation on existing lighting equipment, coordination with stakeholders, performed conduit fill and voltage drop calcs, development lighting design plans, specifications, and construction cost estimate for the realigned ramp roadways...
Dallas Lovefield Airport (DAL) Master Plan Update, Landside Traffic, Dallas, Texas
Owner: DAL Airport Description: As a subconsultant to Ricondo, we perform the following technical services:...
Construction Management Plan for 3120 Colvin Street, Alexandria, VA
Owner: Civiland, LLC Description: We prepared the Construction Management Plan (CMP) for 3120 Colvin Street in Alexandria, Virginia. CMP included the designation of off-street parking for construction workers, maintaining pedestrian access within the Construction Management Plan, waste control program, and construction staging activities...
City of Gaithersburg Speed Camera (Automated Enforcement) Statistic Study, Gaithersburg, MD
Owner: City of Gaithersburg, MD Description: Under this project, we provide data collection and analysis services for the City Police automated enforcement program. Under this task, Endesco is providing technical services including: – Collecting traffic speed and volume at the 12 locations where speed cameras are installed. – Analyzing the collected data and providing statistics...
Catoctin Valley Distilling Company Engineering Services, Frederick, MD
Owner: Catoctin Valley Distilling LLC Description: Endesco provided Civil Engineering Consulting Services for the subject project. Services included: land development entitlement, stormwater management plans and report, erosion and sediment control design, site layout, landscape, water lines, and permit application...
APS/CPS/RRFB Design for Two Intersections on MD 410, Prince George’s and Montgomery Counties, MD
Owner: MDOT SHA Description: Performed field inspection of existing ADA facilities (ramps, sidewalks, APS/CPS signals, push buttons), developed signal design plans (APS/CPS design for MD 410 & Toledo Terrace, RRFB design for MD 410 and Chicago Avenue), developed construction cost estimates, addressed reviewed comments, prepared SHA check list and all requirement materials for PS&E...
Amtrak NEC Susquehanna Bridge Replacement Construction Management Project, Hartford County and Cecil County, MD
Owner: The National Railroad Passenger Corporation (Amtrak) Description: The Susquehanna River Rail Bridge (SRB) between the City of Havre de Grace in Harford County and the Town of Perryville in Cecil County is a critical component of the Northeast Corridor which serves over 50 million people and connects over 700,000 passengers each day. The Project...
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Our Design-Build Project Experience
Endesco has been a key team player on most of the mega transportation infrastructure projects in the greater Washington/Baltimore metropolitan areas since the time Design-Build projects were gradually adopted by DOTs as a popular procurement and delivery method for major transportation infrastructure projects. We have successfully delivered, or are delivering, professional engineering services on the following projects:
| Project Name | Owner & Construction Cost | Completion Year | Services Provided by Endesco |
|---|---|---|---|
| Hampton Roads Bridge-Tunnel Expansion Project, Cities of Hampton and Norfolk, VA | VDOT Estimated $3.8B | Design: 2021 Construction: 2025 | · Drainage Design, · Hydrology & Hydraulics Analysis, · Phased Erosion & Sediment Control, · Stormwater Management, · Lighting Design (lighting warrant analysis, AGI32 photometric analysis, roadway lighting, bridge trestle lighting, bridge underdeck lighting, sign lighting, navigational channel lighting, temporary lighting during construction) |
| The Maryland-National Capital Purple Line Light Rail Project in Montgomery and Prince George’s Counties, MD | MDTA/MDOT Estimated $2.65B | Design: 2020 Construction: 2026 | · Drainage Design, · Hydrology & Hydraulics Analysis, · Phased Erosion & Sediment Control, · Stormwater Management, · Traffic Engineering (traffic signals, street lighting, pavement marking, traffic signing) · Lighting (WMATA station lighting, University of Maryland roadway lighting, maintenance yard lighting, school parking lot lighting, landscape lighting) |
| Chesapeake Bay Bridge and Tunnel Project, Virginia Beach, VA | VDOT Estimated $756M | Construction: 2024 | · Structure review |
| Route 7 and Battlefield Parkway Interchange, Loudoun County, VA | VDOT Estimated $66M | Design: 2020 Construction: 2021 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Stormwater Management |
| Transform 66 P3 Project (I-66 Express Lanes Outside the Capital Beltway), Northern Virginia | VDOT Estimated $3.7B | Design: 2020 Construction: 2023 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Scour Analysis, · Stormwater Management, · Traffic Engineering |
| St. Elizabeth’s East Campus Parking Lots, Washington, DC | DC DGS Estimated $11M | Design: 2018 Construction: 2019 | · Stormwater management · Drainage Design · Erosion and Sediment Control. · Grading Design |
| St. Elizabeth’s Hospital’s Development (Phase 1), Washington D.C. | DC DGS Estimated $1.9B | Design: 2017 | · Streetlighting Design |
| Washington Metro Silver Line/Dulles Metrorail Phase II, Northern Virginia | MWAA (following VDOT guidelines) $1.3B | Design: 2017 Construction: 2021 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Permitting Services, · Stormwater Management |
| I-95 Express Lanes in Northern Virginia | VDOT $922M | Design: 2013 Construction: 2015 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Post Design Services, · Stormwater Management |
| I-395 HOV Ramp at Seminary Road with I-395 NB Auxiliary lane Extension, Northern VA | VDOT $55M | Design: 2013 Construction: 2015 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Stormwater Management, · Post Design Services. |
| I-64/ Route 15 (Zion Crossroads) Interchange Improvement, Louisa County, VA | VDOT $6.9M | Design: 2013 Construction: 2014 | · Drainage Design, · Erosion & Sediment Control Plans, · Hydrology & Hydraulics Analysis, · Stormwater Management, · Post Design Services. |
| Intercounty Connector Contracts “B”, Montgomery Co., MD | MTA/MDSHA $560 M | Design: 2013 Construction: 2016 | · Drainage Design, · Permitting, · Phased Erosion & Sediment Control, · Stormwater Management, · Stream Diversion, · Post Design Services |
| Intercounty Connector Contracts “A”, Montgomery Co., MD | MTA/MDSHA $478M | Design: 2011 Construction: 2012 | · Drainage Design, · Permitting, · Phased Erosion & Sediment Control, · Stormwater Management, · Stream Diversion, · Post Design Services |
| I-895, From: 4.31 km East of Chesterfield/Henrico County Line To: I-295, Henrico Co. VA (Design/Build) | VDOT $314M | Design: 2001 Construction: 2003 | · Drainage Design, · Erosion & Sediment Control, · Hydrology & Hydraulics Analysis, · Stormwater Management |
Certifications/Memberships
Certifications
Endesco (UEI#HTB4L1L5T878, DUNS#176055168, CAGE#1WXX4) is certified as a small, minority-owned, and disadvantaged business enterprise (MBE/DBE/SBE) with the following organizations:
- DDOT & Washington Metropolitan Area Transit Authority (WMATA) Metropolitan Washington Unified Certification Program: #DBE/MBE0002063
- Maryland DOT DBE/MBE: #11-312
- Virginia DOT DBE/SWaM: #626248
- Florida Unified Certification Program (UCP) DBE
- North Carolina DOT DBE: #72067
- New Jersey and New York State Unified Certification Program DBE (including: the Port Authority, the Metropolitan Transportation Authority, NYSDOT, NJDOT, and the Niagara Frontier Transportation Authority)
- Pennsylvania DOT/SEPTA/PHL & PEN/PRT UCP DBE/MBE
- Texas DOT/Houston/Austin UCP DBE
- Metropolitan Washington Airports Authority (MWAA) SLBE & LDBE: LD20259825
- Montgomery County, MD: MFD
- Prince George’s County, MD: MBE-20-15187
- Howard County, MD: EBO/MBE M20-84
Approved NAICS (North American Industry Classification System) Codes
Endesco is approved for the following NAICS codes:
- 236210 – Industrial building construction (specifically: construction management; project management)
- 236220 – Commercial and institutional building construction (specifically construction management; project management)
- 237110 – Water and sewer line and related structures construction (specifically: construction management; project management)
- 237310 – Highway, street, and bridge construction (specifically: construction management, highway; road, street and bridge)
- 237990 – Other heavy and civil engineering construction (specifically: construction management, mass transit)
- 541330 – Engineering services
- 541370 – Surveying and mapping (except geophysical) services
- 541490 – Lighting design services
- 541611 – Administrative management and general management consulting services
Professional Memberships
Believing in building community and providing clients with the best available knowledge, Endesco team actively involves in professional societies. We are proud members and/or sponsors of the following organizations:
- American Society of Highway Engineers – Potomac Section
- American Society of Highway Engineers – Chesapeake Section
- American Council of Engineering Companies
- Intelligent Transportation Society of Maryland
- Institute of Transportation Engineers
- Project Management Institute
Our Clients
Our key mission is to provide excellence in client service and project delivery on time and within budget. We take proactive approach to plan, organize and provide leadership. We remain attentive to client and stakeholders’ concerns and manage engineering projects from conception to completion placing special emphasis on safety, time, cost, quality and standard of services important to each client. We are proud in providing quality design and consulting services for our clients and project owners, including:
Our recent clients / teaming partners also include:
- A. Morton Thomas & Associates, Inc.
- AECOM Technical Services, Inc.
- ATCS P.L.C.
- AtkinsRéalis USA Inc
- Brudis & Associates, Inc.
- Cambridge Systematics, Inc.
- CDM Smith
- Century Engineering
- CES Consulting
- Delon Hampton & Associates, Chartered
- DESMAN, Inc.
- Dewberry
- DRB Group Mid-Atlantic, LLC
- EXP
- Fehr & Peers
- Froehling & Robertson, Inc.
- Gannett Fleming
- Greenman-Pendersen, Inc.
- HDR Engineering, Inc.
- HNTB
- IMEG (formerly Christopher Consultants)
- Iteris
- Jacobs Engineering Group, Inc.
- Janssen & Spaans Engineering, Inc.
- Johnson, Mirmiran & Thompson
- Kapsch TrafficCom
- KCI Technologies, Inc.
- Kittelson & Associates
- MCV Associates, Inc.
- Mead & Hunt
- Parsons Transportation Group Inc.
- Pennoni
- PRIME AE
- RDM International, Inc.
- Ricondo & Associates
- Rummel, Klepper & Kahl, LLP
- Sam Schwartz Engineering, DPC
- Sheladia Associates Inc.
- Stantec Consulting Services, Inc.
- Street Traffic Studies, LTD
- STV Incorporated
- The Elocen Group, LLC
- Vanasse Hangen Brustlin, Inc.
- Volkert
- WSP
Careers
Welcome to Endesco! We are always seeking qualified talents to join our team, collaborate on our exciting projects, and to provide quality professional engineering services to our clients. Whether a fresh graduate or an experienced professional, you are always welcome to contact us by sending your resume using the link below.
Benefits
- Competitive hourly rate
- Paid Time Off (PTO)
- Holidays
- Flexible working hours
- Short Term Disability benefit (STD)
- 401(K) retirement plans (with 100% Match, up to 10% of total compensation)
- Healthcare plan including medical, dental, vision
- Flexible Spending Account (FSA) and Dependent Care Account
- Year-end bonus
- Tuition assistance
- Employee referral
Equal Opportunity Employer
Endesco is an Equal Opportunity Employer. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact our Human Resources at (301) 987-8776 (TTY/TDD users, call 711).