
AB Consultants, Inc.
Lanham, MDMultidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations
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Multidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations
The Best Team for Project Success
Service detail: Program and Project Management

Providing comprehensive engineering, construction, and construction management services.
Service detail: Federal Services
Adams Environmental Engineering Group (AEEG) is a full-service environmental engineering and contracting firm based in the Mid-Atlantic region, providing consulting, design, remediation, and site assessment services for commercial, industrial, and residential clients. AEEG holds Professional Engineering licenses in Maryland, the District of Columbia, Virginia, and 11 additional states, bringing more than 20 years of experience to environmental projects throughout the region.
Service detail: Environmental Site Assessments

Arthur Engineering Services (AES) is a Laurel, Maryland-based practice specializing in condition assessment of water and sewer infrastructure. AES performs closed-circuit television inspections, sewer system evaluation studies, infiltration and inflow investigations, flow monitoring, hydrant and valve testing, and GIS/GPS asset surveys for municipal clients. Its field teams hold NASSCO PACP/MACP/LACP certifications and deliver large-scale cleaning and inspection contracts for DC Water, the City of Baltimore, and WSSC across hundreds of thousands of linear feet of sanitary sewer and stormwater infrastructure.
Project: DC Water Sewer System Evaluation Study (SSES) - Phase I Nicholson Street Area
Provide the Highest Level of Service to Our Clients While Delivering Value
Project: 540 West Madison

Geotechnical drilling and engineering, led by engineers who know what engineers need.
Service detail: Geotechnical Drilling and Sampling
Operation Technology Engineering and Management
Service detail: Commissioning, Controls & Energy

Small Firm, Big Ideas
Project: Morgan State University Calvin & Tina Tyler Hall
Closing the digital divide
Project: Oregon Statewide Broadband Expansion Partnership

American Precision for Mission-Ready Technologies
Service detail: Research and Development

Accelerating Your Innovative Solutions
Project: Vulcane Enclosure
Engineering Solutions for a Sustainable Future
Project: Service Line Material Identification
Reliable. Innovative.
Project: Dulles Corridor Silver Line Metrorail Project Phase II
Construction management, civil engineering, and land surveying services for public and private sector clients.
Project: Central Holding and Processing Center Facility, CM&I Services

Geotechnical engineering, construction inspection, materials testing, and software solutions
Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Laying the Groundwork for Tomorrow
Project: B&P (Frederick Douglass) Tunnel

Collaborative analysis thoughtfully applied.
Service detail: Chemicals and Contaminants of Emerging Concern

Results With No Excuses
Project: HSWA Non-Revenue Water Tracking Project
Empowering Innovation
Project: NASA OMES III Multidiscipline Engineering Support
Building and Supporting Planetary Science Instruments for Mars and the Moon
Project: SAM Instrument Support (Curiosity Rover)

From any angle
Project: Town of Bow On-Call Civil Engineering Consulting

Growing Together To Enhance Our Built Environment
Project: Ewing Town Center

In the Business of Designing High Performance Building Systems
Project: Easton Elementary School