
A D Marble Co Inc
King of Prussia, PAEnvironmental, Cultural, and Water Resources Engineering
Service detail: Environmental Engineering
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Environmental, Cultural, and Water Resources Engineering
Service detail: Environmental Engineering

Specializing in geotechnical, structural, and civil engineering excellence
Project: Big Beaver Bridge
ACT ONE & Associates is a consulting engineering and land surveying firm established in 2012 and based in Harrisburg, Pennsylvania. Licensed in Pennsylvania as Professional Engineers, Professional Land Surveyors, and a Sewage Enforcement Officer, the firm serves builders, contractors, developers, individual property owners, institutions, and municipalities with a broad range of civil, environmental, and structural engineering services.
Service detail: Land Surveying
We Make Building Projects a Better Value
Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Designing America's Energy Lifelines
Service detail: Chemical and Process Design

Precise. Responsive. Solutions.
Project: Annapolis Landfill Solar

Your trusted partner for municipal engineering.
Project: Upper Uwchlan Township Municipal Authority Administrator

Sustainable Engineering Solutions. Simplified.
Service detail: Water Engineering

Utility Engineering & Infrastructure Design
Service detail: Utility Engineering Design

Be in Control.
Project: Lock and Dam Control Systems - Ohio River

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.
Project: Western Butler County Authority Administration Building
Keeping Construction Projects on Track
Project: Reagan National Airport

Engineering Together
Project: Wallops Mission Operations Command Center

Professional Consulting Services
Project: Flat Top Lake Dam
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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
Transforming Our Environment and Communities, with Integrity and Vibe
Project: Hancock County Marsh Living Shoreline

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
Bridging grace and imagination with functionality while delivering pragmatic solutions.
Project: Jacobs School of Medicine & Biomedical Sciences
Multi-Discipline Engineers and Consultants
Service detail: Design Services

Environmental Engineering & Consulting Services
Project: Former Nebraska Ordnance Plant - Remedial Optimization and Pilot Study

A Boutique Energy Consulting Firm
Service detail: Energy Consulting & Advisory
Shaping the built environment with precision, creativity, and purpose since 1945
Project: I-40/I-240 Interchange Improvements, Memphis, TN
Provide the Highest Level of Service to Our Clients While Delivering Value
Project: 540 West Madison