Barr Engineering Co.
Professional ServicesMinnesota, United States1001-5000 Employees
Barr Engineering Co. provides engineering and environmental consulting services to clients across the Midwest, the Americas, and worldwide. The firm has been employee-owned since 1966 and traces its origins to the early 1900s. A multidisciplinary team of engineers, scientists, and technical specialists collaborates to help clients develop, manage, and restore natural resources, with projects spanning power, refining, mining, and manufacturing sectors and sites from iron-ore mines in South America to wind farms in South Dakota. Based in Minneapolis, Minnesota, Barr serves a diverse client base that includes energy producers, manufacturers, attorneys, government agencies, and natural-resource-management organizations, addressing environmental and infrastructure challenges. Its geographic reach extends from manufacturing facilities in California to oil sands fields in western Canada, illustrating its global project footprint. In January 2026, Barr announced a collaboration with Eurofins QTA Inc. to test three Minnesota waste-to-energy facilities, reflecting active partnerships that support its service offerings.