General Mechanical Corporation (GMC) is a Native American, tribally-owned, SBA-certified 8(a) , Small Disadvantaged Business ... owned by the Oneida Nation of Wisconsin as a subsidiary under Mission Support Services. We are also a Florida Certified General Contractor (CGC1528897) and Mechanical Contractor (CMC1250781) specializing in the delivery of design-build construction, construction management, general contracting, mechanical contracting, and hydronic piping. GMC has evolved over the past Twenty-four years from a mechanical contractor to a general contracting firm completing many wide ranging, comprehensive renovation and new construction projects involving complex facilities on time and within budget. Also we currently offer construction management and design/build services to our clients throughout the State of Florida. GMC provides experience with innovative technology and energy efficient building systems design. GMC is a Native American, tribally-owned, SBA-certified 8(a) , Small Disadvantaged Business owned by the Oneida Nation of Wisconsin as a subsidiary under the Oneida ESC Group. read more