
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

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.
Project: NYCT Fulton Street Transit Center

Be in Control.
Project: Lock and Dam Control Systems - Ohio River
Keeping Construction Projects on Track
Project: Reagan National Airport
A focused leader in Aviation Consulting Services since 2006

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.
Service detail: Civil Engineering
Transforming Our Environment and Communities, with Integrity and Vibe
Project: Hancock County Marsh Living Shoreline

Power Delivery Engineering built for real-world execution
Service detail: Transmission Engineering
Bridging grace and imagination with functionality while delivering pragmatic solutions.
Project: Jacobs School of Medicine & Biomedical Sciences

Transforming challenges into opportunities since 1983.
Project: New Sanitary Sewer at Island Beach State Park
Full-Service Project Delivery and Program Management
Project: PR-52 Congestion Management Project

Engineering & Management Solutions
Service detail: Project Management and Controls

Plan. Design. Build. Greatness.
Project: Industrial Stormwater Compliance
Century 3 Inc. (C3) is an industrial engineering and construction company founded in 1977 in Greer, SC. C3 delivers engineering design, procurement, self-perform industrial construction, construction management, facility relocation, and maintenance services to clients in the food and beverage, pharmaceutical and life science, advanced manufacturing, automotive, chemical, high-tech, mission-critical, and general industrial markets. With 1,500 or more engineering and construction professionals, C3 holds professional engineering licenses and unlimited general contractor licenses throughout the United States, as well as trade-specific electrical, mechanical, plumbing, and piping contractor licenses. US offices are in Greer SC, Augusta GA, Pittsburgh PA, and Phoenix AZ, with additional international entities in China and Europe.
Service detail: Engineering Design

Multidisciplinary Engineering & Consulting Services
Project: ATI Shanghai STAL Project
Innovation for the Future
Service detail: Civil Site Design & Development

A Legacy Engineered From A Vision
Project: Atlantic County Utilities Authority Project
Planning & Engineering for Transportation
Project: MDTA ITS Engineering Design
Proven. Driven. Visionary.
Service detail: Construction Management

Civil Engineering Consultants with Experience
Service detail: Site Civil Engineering

Expert corrosion control services, featuring cathodic protection testing and design
Service detail: Cathodic Protection Design

Powering our future through partnerships, principles, and passion.
Service detail: Substation Engineering
Relentless seekers of the best solutions.
Project: Royse City, Texas Drainage Master Plan
Ingenuity That Shapes Lives
Service detail: Transportation