How many companies are in the mmr constructors family? There are 29 companies in the MMR Constructors, Inc. corporate family. D&B Hoovers provides sales leads and sales intelligence data on over 120 million companies like MMR Constructors, Inc. around the world, including contacts, financials, and competitor information.What is mmr doing for ge grid solutions? MMR partnered with GE Grid Solutions to provide electrical construction and instrumentation services for this 6.4MWh energy storage system, which provides blackstart operation at Entergy’s Perryville CCGT power plant in Sterlington, LA. MMR received several ABC Excellence in Construction awards for the Chevron Big Foot Platform Topsides Project.Why choose mmr for your next project? MMR installed all electrical components and performed integration of all electrical systems for this project. MMR received highest honors on the Albian Oil Sands Energy Expansion Project with the Shell Vice President’s Safety Award for completing 1 million work-hours incident free.