H&M Company - A Full Service Plan-Design-Build Firm HM Company, Plan, Design, Build, Construction, Manufacturing, Heavy Industrial, Power, Food, Distribution, Institutional, Site Selection and Analysis, Architecture and Engineering, Pre Construction, Self Perform Capabilities, Industrial, Project Financing, Build to Suit, Jackson, Tennessee From initial project conception and planning through start up and post occupancy needs, H&M Company, Inc provides a single source solution for all your facility needs. For fifty years, H&M has provided engineering and construction services for manufacturing, heavy industrial, power, food, distribution and institutional facilities.