
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
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
Your Partner for Efficient and Effective Design
Project: Belmont University Massey Center
We Make Building Projects a Better Value
Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Precise. Responsive. Solutions.
Project: Annapolis Landfill Solar
Sustainable Project Turnover Commissioning
Service detail: Commissioning
Innovation. Integrated
Project: Strategic Facility Planning

Your project is our priority.
Service detail: Geotechnical Engineering

Design in Harmony
Service detail: Acoustics Consulting

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

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

Engineering Together
Project: Wallops Mission Operations Command Center

Professional Consulting Services
Project: Flat Top Lake Dam

Your Engineering Partner in Projects Large and Small
Project: Multi-Sector Structural Engineering Portfolio

Professional engineering services for integrated building design
Project: Petrie Residence Addition & Renovation

Complete MEP Design Firm
Service detail: Building Systems Engineering

Bringing Architectural Visions to Life
Project: Pittsburgh Athletic Association Renovation
BE Structural is a structural engineering consulting firm established in August 2002 and headquartered in Wormleysburg, PA. It provides professional consulting services in structural engineering design, rehabilitation, repair, and forensic engineering for new and existing residential and commercial structures. The practice serves architects, engineers, building owners, insurance companies, and attorneys across the Mid-Atlantic region, with forensic investigation capabilities spanning 25 or more states.
Project: Earthbag Domes - Big Island of Hawaii
Engineering a better future focused on the human experience.
Project: Cencora
Reliable partnership. Trusted solutions.
Project: UH Ahuja Medical Center - Drusinsky Sports Medicine Institute
Multi-Discipline Engineers and Consultants
Service detail: Design Services

We Make Buildings Work
Project: Price Auditorium at Lock Haven University

Building up vision, leading future
Project: Pinel 2