Barr is an engineering and environmental consulting firm, bringing services to clients across North America and around the world for over a century.

At Barr, you’ll join a community of engineers, scientists, and professionals who will help you achieve your ambitions and build a meaningful, rewarding career.

Providing exceptional service is Barr’s fundamental focus, and solving clients’ complex problems is what makes us tick. In a world of experts, our engineering and environmental team brings …

Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world. We have offices in Minnesota, Colorado, …

From transmission and substations to air permitting and compliance, Barr’s engineering and environmental experience and diverse projects help clients solve complex challenges and …

To provide environmental consulting & engineering services to clients at a distance from our fully staffed offices, Barr maintains project offices close to key project sites.

Barr helps clients with projects involving water treatment, storage, and distribution, and addresses environmental challenges involving watersheds, wetlands, lakes, and streams.

From our many office locations across North America, Barr is able to handle all of your engineering & environmental consulting needs.

Nov 10, 2025 · Discover how Barr works shoulder-to-shoulder with you to reframe challenges, reveal hidden opportunities, and deliver lasting outcomes for a sustainable future.

Discover how Barr works shoulder-to-shoulder with you to reframe challenges, reveal hidden opportunities, and deliver lasting outcomes for a sustainable future.