Find engineering consulting firms by capability and location.

Designing America's Energy Lifelines

Innovative Engineering Solutions Since 1980

Practical Solutions. Designed to Last.

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

A leader in the field of air quality for over 40 years.

Apex Engineering Group brings clarity and confidence to complex engineering projects.

Sustainability through responsible engineering of the built environment.

Acoustical engineering and research solutions for defense, aerospace, and aviation programs

Working to build a better Gulf Coast

CJSeto Support Services, LLC is an environmental compliance, safety, information technology, logistics, and workforce training firm headquartered in Ventura, California. Founded in 1999, CJSeto holds ISO 9001:2015 certification and serves federal agencies, educational institutions, healthcare providers, and commercial clients. Its environmental practice covers hazardous waste management, EPA and RCRA compliance, NEPA documentation, spill prevention planning, environmental monitoring and remediation, and asbestos and lead monitoring. Its safety and industrial hygiene practice encompasses OSHA compliance audits, indoor air quality testing, chemical inventory management, respiratory protection, and hazard assessments. Additional service areas include IT infrastructure, cybersecurity and information assurance, logistics and inventory management, and professional training including HAZWOPER, OSHA, and EPA compliance courses. Federal clients include the U.S. Navy, Department of Homeland Security, NASA, and the Veterans Administration.

Engineering Excellence Every Time

Innovative Engineering & Environmental Solutions

Plan. Design. Build. Greatness.

Closing the digital divide

Gulf Coast Engineering + Environmental Solutions

Meeting the needs of Tribal Transportation Programs

Engineering, Surveying, Environmental & Planning Services

Small-Town Service, Big-Time Experts

Secure. Compliant. Resilient.

Decota Consulting Company, Inc. is an environmental engineering practice based in Cross Lanes, West Virginia, serving landowners, government agencies, nonprofits, and private industry throughout the Appalachian region since 1996. Its engineers and scientists bring expertise in ecology, hydrology, environmental engineering, and regulatory permitting. Decota supports baseline assessments, design, permitting, construction oversight, implementation, and post-construction monitoring, with an established track record working alongside federal, state, and local regulatory agencies.

Transforming design.

Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.

Transforming Challenges into Solutions

Solving the greatest water resources challenges.