GMi – Built Strong Since 1978 GMI, Texas, DFW, FTW, Ft Worth, Fort Worth, Justin, Austin, Houston, Greater Metroplex, Interiors, Drywall, Walls, Acoustical, Commercial, Load Bearing. Load Bearing Framing, Cold Formed Steel, Cold Formed Metal, Structural Framing, CFS, LGS GMi is a client relationship driven, turnkey drywall, framing, and acoustical commercial construction company that has been operating throughout the State of Texas since 1978 …