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

Specializing in geotechnical, structural, and civil engineering excellence

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.
Civil, Coastal, and Environmental Engineering and Consulting Practice
Your Partner for Efficient and Effective Design
We Make Building Projects a Better Value

Designing America's Energy Lifelines

Precise. Responsive. Solutions.

Your trusted partner for municipal engineering.

Sustainable Engineering Solutions. Simplified.
Innovation. Integrated

Utility Engineering & Infrastructure Design

Be in Control.

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.

VDC / BIM / CAD Services & Consulting
Keeping Construction Projects on Track

All County and Associates, Inc. (ACA) is a full-service civil engineering, land surveying, and environmental permitting firm established in 1992 and located in Gilbertsville, Pennsylvania. ACA serves clients across fifteen counties in eastern Pennsylvania, covering Berks, Bucks, Carbon, Chester, Delaware, Lackawanna, Lancaster, Lehigh, Luzerne, Montgomery, Monroe, Northampton, Pike, Schuylkill, and southern Wayne counties. The practice serves architects, builders, contractors, developers, homeowners, home inspectors, and real estate agents with a focus on helping clients navigate permitting and regulatory processes.

Engineering Together

Professional Consulting Services
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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.
Transforming Our Environment and Communities, with Integrity and Vibe

Power Delivery Engineering built for real-world execution
Rethinking Infrastructure

The name you trust for power generation, transmission and distribution infrastructure engineering services