Simon Grant Balem

Dowding & Mills Ltd. provides electrical, calibration, and electronic engineering services. The firm refurbishes electrical equipment such as generators, pumps, and gearboxes. It serves the food processing, metals, petrochemicals, and telecommunications industries. The company was founded on November 21, 1919 and is headquartered in Birmingham, the United Kingdom.

Castle Support Services Plc operates as an investment holding company with interest in electro mechanical maintenance. Its operations include power generator and electric motor repair, mechanical repair, mechanical and electrical site work, condition monitoring services, electronic and calibration services. The company was founded on February 3, 2005 and is headquartered in Birmingham, UK