
A&A Consultants Inc
McKees Rocks, PASpecializing in geotechnical, structural, and civil engineering excellence
Project: Big Beaver Bridge
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Specializing in geotechnical, structural, and civil engineering excellence
Project: Big Beaver Bridge
The Best Team for Project Success
Service detail: Program and Project Management
Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.
Service detail: Safety Engineering
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American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.
Service detail: Geotechnical Engineering

The Benchmark for Professional Services
Service detail: Geotechnical Engineering
Civil Engineering. Planning. Site Development. Surveying.
Project: Capital Exports Warehouse

Analyze, Protect, Preserve
Project: Jefferson Street Bridge
From the Poles to the Tropics - and Everywhere in Between
Project: LCS Full Ship Shock Trial - Environmental Mitigation

energy efficiency.....use only what you need
Project: NAVFAC MIDLANT Resource Efficiency Management

American Precision for Mission-Ready Technologies
Service detail: Research and Development
Recognized as a national leader in water treatment.
Service detail: Water Treatment Plant Design

Client-Focused Parking Solutions
Project: Ft. Duquesne and Sixth Parking Garage Facade and Renovation
Reliable. Innovative.
Project: Dulles Corridor Silver Line Metrorail Project Phase II
Services & Solutions From One Perspective, Yours.
Service detail: Engineering Solutions
Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.
Project: Transforming Affordable Housing in Virginia: A RAD/LIHTC Renovation

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

Results With No Excuses
Project: HSWA Non-Revenue Water Tracking Project

Your Go-To Engineering Consulting Partner
Project: SK Innovation EV Battery Site

Dedicated Corrosion Engineers
Service detail: Corrosion Engineering
Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.
Service detail: Navy Ship Repair and Modernization

Innovative engineering solutions in RF and optical communications, optical sensing, and digital processing
Service detail: Optical Engineering

Froehling & Robertson (F&R) is a geotechnical engineering, environmental consulting, and materials testing firm headquartered in Richmond, Virginia. With more than 70 years of subsurface exploration experience, F&R serves clients across the Mid-Atlantic and Carolinas through an in-house fleet of drill rigs, soils laboratories, and an interdisciplinary team of engineers, geologists, scientists, and inspectors. Core services span geotechnical engineering, environmental consulting, construction materials testing, geostructural monitoring, drilling, and specialty engineering.
Service detail: Geotechnical Engineering
Advanced nondestructive evaluation and laser metrology for critical infrastructure
Service detail: Structural Nondestructive Evaluation
Engineer - Design - Inspect
Service detail: In-Situ Testing