
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

Engineering, Surveying, and Inspections
Project: 95REVIVE Pottstown Expressway Reconstruction
Precise. Responsive. Solutions.
Project: Fresh Water Withdrawal Station

Precise. Responsive. Solutions.
Project: Annapolis Landfill Solar
Quality, innovative, and cost-effective consulting engineering solutions
Service detail: Geotechnical Engineering

Your project is our priority.
Service detail: Geotechnical Engineering

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

Be in Control.
Project: Lock and Dam Control Systems - Ohio River
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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
Rethinking Infrastructure
Service detail: Planning and Design

Excel. Together.
Project: Bloomingdale Road Reconstruction

Dams, Levees, Severe Flooding, and Geotechnical Services
Project: Inundation Mapping, Hazard Assessments and Emergency Action Plans for Forest Service Dams

Bringing Architectural Visions to Life
Project: Pittsburgh Athletic Association Renovation

Engineering Human Solutions
Service detail: Train Control Systems

Trusted Design and Engineering Solutions for Federal Projects
Service detail: Architecture
Engineering a better future focused on the human experience.
Project: Cencora

Building up vision, leading future
Project: Pinel 2

Benchmark Civil Engineering Services provides civil engineering, traffic and transportation, land development, land surveying, municipal review, and expert witness services in the Lehigh Valley and Eastern Pennsylvania region. Founded in 1994 and headquartered in Allentown, Pennsylvania, Benchmark serves commercial builders, municipalities, and landowners across Pennsylvania, New York, New Jersey, and the Philadelphia area. The firm employs state-of-the-art robotics and electronic surveying equipment alongside current CAD software to deliver engineering and surveying solutions.
Service detail: Traffic & Transportation
Engineering Excellence Through Knowledge and Communication
Service detail: Civil Engineering

Protecting What You Build
Project: Runway Pavement Sensor System at Charlotte Douglas International Airport
Provide the Highest Level of Service to Our Clients While Delivering Value
Project: 540 West Madison

Engineering A Better Community
Project: Memorial Park - Poorhouse Run Stream Restoration
Consulting Engineers & Land Surveyors
Project: NYSDOT Biennial Bridge Inspection in New York State

Acoustic Design + Technology Consulting
Service detail: Acoustic Design