MMR Group

MMR Group, founded in 1991, is the largest open-shop electrical and instrumentation contractor in the United States. The company provides electrical construction, instrumentation, and technical services across various sectors, with particular focus on mission-critical construction, which includes data center infrastructure.

Through brands such as MMR Power Solutions and MMR Fiber Solutions, the firm offers specialized services in power systems, backup solutions, and fiber optic networking - key elements for data center development and operations. Its technical expertise also encompasses other domains like fabricated pipe and general industrial applications.

With approximately 5,500 employees and annual revenue approaching $1 billion, MMR Group operates across North and South America. The company has completed projects requiring over a million work-hours and is ranked among top specialty contractors by Engineering News-Record, with awards for safety and construction excellence.

MMR Group serves industries including chemical, petrochemical, oil and gas, power generation, renewable energy, and energy storage, reflecting its engagement with mission-critical facilities. The company emphasizes safety, quality, and client satisfaction in its work.