About


MMR has served as the industry leader in instrumentation and electrical construction, maintenance and technical services for more than 50 years. As the largest privately-owned open shop electrical and instrumentation contractor in the United States, MMR consistently ranks at the top of Engineering News Record’s annual specialty contractors list.

MMR serves a diverse list of clients with the unique ability to work across industry lines in the onshore, offshore, energy, chemical, petrochemical, industrial and manufacturing sectors.

MMR continues to grow both regionally and nationally with over 20 branch offices throughout the United States as well as in Canada, Colombia, Trinidad, Venezuela and Ecuador.