Gregor Duncan Roberts

EJ Parker Technical Services (Central ) Ltd. provides electrical and mechanical building services. It offers electrical services, such as lighting, small power, HV and LV distribution, fire alarms and security systems, building management, process control, cable management, electrical testing and inspection, planned preventative maintenance, and regional prime contracts; and mechanical services, including heating installations, plumbing and sanitary, ventilation and air conditioning, gas installations, process pipe work, refrigeration, domestic water services, and steam and air installations. The company was founded in 1922 by W. T. Parker and is headquartered in Burton upon Trent, the United Kingdom.

Part of Edwin James Holdings Ltd., T. Musk Engineering Ltd. helps manufacturers improve their production processes and maintain safe production assets. The company is based in Swadlincote, UK, and is committed to ensuring that clients' assets are running safely and legally. The British company offers process projects, including pipework installations, stainless steel vessel design, and turnkey solutions, as well as mechanical and electrical process engineering and industrial and site installation services. Additionally, T. Musk Engineering provides asset care services, such as reliability improvement, condition monitoring, and plant maintenance, to help clients meet their manufacturing targets cost-effectively. T. Musk Engineering also offers career opportunities for talented engineers who are passionate about continuous improvement.

Part of Edwin James Group Ltd., Rayfern Holdings Ltd. is an investment holding British company. The company is based in Peterborough, UK. Founded in 2012, Rayfern Holdings functions as an investment holding company.