David Robert Spann

Part of Interserve Plc, Interserve Technical Services Ltd. engages in the installation of plumbing, heating, and air conditioning equipment. The company is based in London, UK.

Mallatite Ltd. manufactures and distributes traffic management and street lighting products. Its products include lighting columns, slipover replacement lighting column, retrofit LED street lighting lamps, road traffic signs and sign plates, sign lights, steel sign posts, Jerol poles, marking and measuring equipment, and tools and specialist equipment. The company is headquartered in Chesterfield, the United Kingdom.

ATG Access Ltd. manufactures bollards, rising arm barriers, road blockers and vehicle barrier systems. It offers telescopic bollards, lift out bollards, fixed bollards, automatic rising bollards, automated gates, crash testes bollards, and impact testes road blockers. The firm also offers counter terrorism, temporary event security, traffic management, commercial security and domestic. The company was founded in 1989 and is headquartered in Haydock, the United Kingdom.