
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
Innovation. Integrated
Project: Strategic Facility Planning

Your project is our priority.
Service detail: Geotechnical Engineering

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
Bridging grace and imagination with functionality while delivering pragmatic solutions.
Project: Jacobs School of Medicine & Biomedical Sciences
Provide the Highest Level of Service to Our Clients While Delivering Value
Project: 540 West Madison

Transforming Indoor/Outdoor Space into Functional Value
Project: Tri-Municipal Park (Penns Prairie)
Planning & Engineering for Transportation
Project: MDTA ITS Engineering Design

Engineering & Land Management Services
Project: Springettsbury Township Fire House

Client-Centered Engineering and Land Surveying Solutions
Project: Carroll County Public Transportation Facility

Over 40 Years of Engineering Excellence
Service detail: Civil Engineering
Committed to a strategic approach to delivering sustainable project solutions.
Project: Betsy Ross Interchange, Section BR2

No Job is Too Big.
Project: I-43 North South Freeway
Keystone Consulting Engineers, Inc. (KCE) is a multi-discipline civil engineering and surveying firm serving municipalities, authorities, and land developers throughout the greater Lehigh Valley and Pocono regions of Pennsylvania since 1972. With approximately 70 professional engineers, surveyors, and technical staff across three offices, KCE provides municipal engineering, subdivision and land development, surveying, construction inspection, water and wastewater, landscape architecture, environmental and geological services, highway and traffic engineering, GIS, and soil sciences.
Project: Kern Road Bridge Replacement

Evaluate - Solve - Deliver
Service detail: Construction Services
National Presence. Hyper-Local Focus.
Service detail: Civil Engineering

Improving the Quality of Lives Around Us Since 1912
Project: Crossways Bridge and Trail

Delivering High Quality, Efficient Transportation Solutions
Project: Pittsburgh International Airport Terminal Modernization
R2O Consulting, LLC is a Cleveland-based engineering and consulting firm founded in 2017 that delivers infrastructure planning, water resources, and environmental services to public utilities, airports, developers, and contractors. Its team of approximately 20 professionals integrates hydraulic and hydrologic modeling, GIS analysis, asset management, and environmental compliance services across projects focused on aging infrastructure rehabilitation, water resource protection, and regulatory planning. R2O operates from offices in Cleveland, Pittsburgh, Detroit, Denver, Columbus, and Cincinnati.
Service detail: Infrastructure Planning and Management

Over 30 Years of Engineering Innovation and Excellence
Project: Seneca Falls DRI
Engineering | Environmental | Surveying
Service detail: Transportation Engineering

Innovative Designs & Creative Applications of Technology
Service detail: Civil Engineering

Designing for the Future...
Project: Ligonier Diamond Renaissance Project

Powerful Solutions. Innovative Designs.
Project: New Kensington Bridge Preservation