
3Bears Technical Services
Hixson, TNExperts in Nuclear Operations and Waste Management Solutions
Service detail: Engineering and Project Management
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
224 results
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Experts in Nuclear Operations and Waste Management Solutions
Service detail: Engineering and Project Management
Air. Land. Water.
Service detail: Air Quality and Environmental Compliance

Applying the Latest Technology
Service detail: Civil Engineering
Professional environmental site assessments and due diligence services nationwide
Project: Windmill Farm Initial Planning Study

Mission-Driven.
Project: Naval Air Station North Island Soil Investigation

Designing America's Energy Lifelines
Service detail: Chemical and Process Design
Practical Solutions. Designed to Last.
Service detail: Civil Engineering
More Than Just a Project
Service detail: Land Surveying

From Start-to-Finish with Real People in Mind
Service detail: Civil Engineering

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.
Service detail: Civil Engineering
Engineering and Environmental Consultants
Project: ATOKA Bioremediation Project
Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability
Project: Redstone Arsenal Facility Audits & Energy Systems

Consulting engineering, audits and analysis
Project: Curwood Gas-Fired Make-Up Air System Design
You See Us Every Day
Project: Braddocks Mill Dam
Pioneering the Past. Innovating the Future.
Project: World Shale Gas and Shale Oil Resource Assessment

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

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.
Service detail: Engineering

Professional Consulting Services
Project: Flat Top Lake Dam

Architecture Engineering Environment
Project: Overton-Brooks VAMC Parking Garage Addition

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.
Service detail: Civil Engineering

Animas Environmental Services, LLC is an environmental engineering and consulting firm based in Farmington, New Mexico, providing comprehensive environmental services throughout the Four Corners region (New Mexico, Colorado, Arizona, Utah) and the Mountain West since 1999. Animas Environmental's multidisciplinary staff includes Professional Environmental Engineers, Professional Geologists, Environmental Scientists, Certified Hazardous Materials Managers, Environmental Technicians, Certified Drinking Water Sampling Technicians, and CAD/GIS Technicians. Animas Environmental offers services ranging from minor project consulting to complete turn-key environmental operations.
Service detail: Environmental Permitting & Planning

Apex Engineering Group brings clarity and confidence to complex engineering projects.
Project: City of Detroit Lakes, MN Municipal Engineering Services

Innovative Solutions to Complex Problems
Project: Switchback Autonomous Ground Platform
Better, Faster, Different
Project: Air National Guard PFAS Assessments Nationwide