
7NT Enterprises, LLC
Miamisburg, OHProper Execution with Precision
Project: Gordie Howe International Bridge
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Proper Execution with Precision
Project: Gordie Howe International Bridge

Specializing in geotechnical, structural, and civil engineering excellence
Project: Big Beaver Bridge

Multidisciplinary engineering and support services in the Baltimore-Washington area
Project: WMATA Bus System Renovations

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project

Engineering, Surveying, and Inspections
Project: 95REVIVE Pottstown Expressway Reconstruction

Building America from the ground up since 1993
Project: I-405 Improvement Project
Enhancing communities and the built environment.
Project: SFO Harvey Milk Terminal Boarding Area B
AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.
Service detail: Environmental Services
Engineering with integrity & purpose.
Project: The Virginia Vanguard

APS Lays the Foundation for a Better World
Service detail: Geotechnical Engineering

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.
Service detail: Civil Engineering

Your project is our priority.
Service detail: Geotechnical Engineering

Texas Civil Engineering Professionals
Project: Iowa Colony City Engineer

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.
Service detail: Pavement Engineering

Solid Relationships. Solid Solutions.
Project: Kreg Tool HQ

We build quality into every project.
Project: Antler Bridge Replacement
Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.
Project: Forensic Investigation for Edenville Dam Failure
Critical investigations, testing, analysis, and design for a more certain world
Project: Minnesota Zoo Treetop Trail
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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

Practical environmental and engineering solutions, delivered with precision and integrity.
Project: Flood Risk Management Projects VE Study

Building a Better Texas
Project: US 77 Geotechnical Investigation
Multi-Discipline Engineers and Consultants
Service detail: Design Services

Geotechnical and environmental engineering solutions that balance cost and risk.
Service detail: Geotechnical Engineering
Blascom Engineering provides geotechnical design engineering, structural assessments, special inspections, construction materials testing, finite element modeling, and forensic civil engineering for South Florida public and private projects. Its capabilities span subsurface evaluations, foundation design, PLAXIS 3D modeling, and materials testing across soils, concrete, masonry, and asphalt.
Service detail: Geotechnical Engineering