Expanding Our Reach. Meeting Your Needs.

ATC has merged with Atlas Technical Consultants, and together we are the premier provider of infrastructure based engineering, testing, inspection, certification, and environmental consulting.

Complete solutions, minus the complexity.

Our national network of engineers, scientists, and specialists work to understand our clients’ needs, then customize solutions to their environmental challenges.

Air, Land, and Water

We deliver comprehensive environmental and engineering services for air, land, and water across a wide range of industries.

Local Everywhere

With more than 100 locations throughout the United States, ATC is local, everywhere — ready whenever and wherever our clients need us.

Expect Excellence.

ATC provides integrated environmental consulting and engineering services from more than 100 locations nationwide. Our comprehensive expertise in air, land, and water combined with full design, project management, and implementation services allows us to handle any challenge from consulting to completion.

As a single source for a wide range of solutions, we help simplify our clients’ projects and create new efficiencies. We partner with them the entire way to reduce complexity, innovate solutions, and get projects done safely and quickly.

Branch Locator.

Search our nationwide listings by using our branch locator.

Five Ways to Prevent Hazardous Subsurface Leaks

Releases of hazardous substances to the subsurface can have a significant environmental impact for an owner or operator of a facility, whether it is under construction or has been active for years.

EPA Takes Action Against PFAS

The EPA has taken action to regulate two PFAS chemicals, PFOA and PFOS. Learn more about how these substances can affect your health and your community.

OSHA’s Impact on Environmental Health and Safety Training

As a regulatory agency, OSHA designs and refines its standards to cover all types of hazards presented in workplaces throughout the country. Almost all employers are subject to some regulations, but companies in high-risk industries face more numerous and stringent requirements according to their specific operations.

OSHA Clarifies Beryllium Standard

Beryllium is both a volatile and toxic substance that presents serious risks to human health. After years of research, review and feedback from various groups involved in impacted industries, OSHA found that the previous regulations were not sufficiently protecting workers.