GMI First was established in 1993 and offers designing, construction and servicing of various mechanical systems, including electrical and plumbing. The company provides installation of various heating and air conditioning systems throughout Berks, Lehigh, Northampton, Lancaster, Schuylkill, Chester and Montgomery counties in Pennsylvania, Delaware and Maryland. It offers equipment installation services for various residential apartment applications, such as apartment complexes, comdominiums, townhouses and cottages. GMI First also installs wiring for security, telephone, television, data and fire alarm systems. The company provides various plumbing services, such as installation of water and sewer lines, sump pumps, water heaters and other fixtures. It additionally offers maintenance and 24-hour emergency services. GMI First is located in Reading, Pa.