
3J Consulting, Inc.
Your Partner in Civil Engineering & Community Planning
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
160 results
Showing 1-24 of 160

Your Partner in Civil Engineering & Community Planning

We get it: Your vision. Your values. Results.

We Bridge The Gap Between Operations and Technology.

Professional Project Management Group
Practical Solutions. Designed to Last.
Engineering with integrity & purpose.
The Best Team for Project Success

From concept to close-out.

Changing the World Since 1977
Efficient Management in Infrastructure Construction

Crafting sustainable solutions that enrich lives

Geotechnical Solutions for a Sustainable Future

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.

Great experiences build great results

Founded in 1980, Aliquot Associates, Inc. is a multi-disciplinary engineering and surveying firm serving public and private clients across the San Francisco Bay Area. The practice offers civil engineering, traffic engineering, and land surveying services from offices in Oakland and Walnut Creek, California. Aliquot brings decades of expertise across diverse project types including public roadways and highways, transit facilities, residential subdivisions, commercial and mixed-use sites, water and sewer systems, stormwater management, and park improvements. With extensive agency-side experience and strong local knowledge across multiple Bay Area jurisdictions, the team provides responsive, customized service from initial planning and feasibility studies through design, permitting, construction, and inspection. Every project is managed directly by a principal, enabling quick decision-making and close coordination with property owners, architects, contractors, and agency representatives.

Powering Your Future

Engineering Together

Trusted Solutions. Proven Expertise. Client Focused.

Power Delivery Engineering built for real-world execution

Authentic partnerships are the best way to design and deliver projects that create lasting value.
Developing Cost-Effective Green and Resilient Business Solutions
We create solutions for the built environment.
Collaborative & Innovative
More Options. Fewer Surprises. Better Outcomes.