
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
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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
From Foundation To Final Permit.
Project: DC 12-Unit Residential Development

The Benchmark for Professional Services
Service detail: Geotechnical Engineering
Reliable. Innovative.
Project: Dulles Corridor Silver Line Metrorail Project Phase II

Your Trusted Partner in Quality Control & Geotechnical Solution
Project: New Frederick Douglass Memorial Bridge and Suitland Parkway / I-295 Interchange

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
Quality Matters
Project: Ronald Reagan Washington National Airport (DCA) Geotechnical and Special Inspections

Local Experience, Local Team, Locally Focused
Project: Old Dominion University

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
Engineer - Design - Inspect
Service detail: In-Situ Testing

Providing Environmental, Geological Engineering and Planning Solutions Since 1997
Service detail: Environmental Consulting & Compliance
Innovative tunnel, geotechnical, and underground engineering solutions
Project: Potomac River Tunnel

Growing Together To Enhance Our Built Environment
Project: Ewing Town Center
Professional consulting engineering specializing in geotechnical, environmental, groundwater, and industrial services.
Project: Virginia Beach Convention Center
Innovative Engineering with Quality Service
Project: Dulles Metro Silver Line Phase II
Engineering | Surveying | Planning
Service detail: Civil Engineering

A Proven Leader in Utility Engineering
Service detail: Electrical Utility Infrastructure Design
Your Foundation for Success
Project: Anthem House Luxury Residential Development

Inspired, Responsive, and Trusted
Service detail: Engineering

A Full Service Transportation Consulting and Design Firm
Project: NC-540 (Triangle Expressway SE Extension)

InnovoGeo Engineering is a civil and geotechnical engineering firm based in Powhatan, Virginia, serving clients across Central Virginia and beyond. InnovoGeo provides foundation design, slope stability analysis, dam safety inspections, forensic engineering, stormwater management, and solar project consulting, using advanced in-situ testing equipment including seismic cone penetration testing and flat dilatometer testing. Licensed in Virginia and North Carolina.
Service detail: Geotechnical Engineering