
3Bears Technical Services
Hixson, TNExperts in Nuclear Operations and Waste Management Solutions
Public engineering firm directory
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482 results
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Experts in Nuclear Operations and Waste Management Solutions

Providing Quality Services for Over 30 Years

Moving Our Communities Infrastructure Forward

Applying the Latest Technology

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.
Civil, Coastal, and Environmental Engineering and Consulting Practice

Mission-Driven.

AECOM is a trusted global infrastructure firm delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Founded in 1990, with predecessor firms dating back over 120 years, AECOM is ranked #1 in general building, transportation, and water by Engineering News-Record (2025), listed at #259 on the Fortune 500, and generated $16.1 billion of revenue in fiscal year 2024. AECOM delivers planning, design, engineering, consulting, and program and construction management services throughout the full project lifecycle.

Cost Effective Engineering

Your Partner for Professional Engineering Consulting
More Than Just a Project

Your trusted partner for municipal engineering.

From concept to close-out.

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.
Engineering Innovative Solutions
Engineering and Environmental Consultants
Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Providing comprehensive engineering, construction, and construction management services.
Adams Environmental Engineering Group (AEEG) is a full-service environmental engineering and contracting firm based in the Mid-Atlantic region, providing consulting, design, remediation, and site assessment services for commercial, industrial, and residential clients. AEEG holds Professional Engineering licenses in Maryland, the District of Columbia, Virginia, and 11 additional states, bringing more than 20 years of experience to environmental projects throughout the region.
Design. Build. Sustain. Deliver.

Civil, environmental, and municipal engineering solutions

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.

Innovative Engineering Solutions for Utility Challenges & Needs

Delivering public infrastructure efficiently, economically, and sustainably.