Collins (contractors) Ltd

20-22 Wenlock Road, London, N1 7GU

Haldane Rd, London, E6 3JW

124, 128 City Rd,, London, EC1V 2NX

63 Milner Rd,, London, E15 3AD

4 Victoria Park Industrial Centre Rothbury Road, London, E9 5HD

22 Fish St Hill, London, EC3R 6DB

Unit 8, Rangemoor Road, London, N15 4NG

120-150 Hackney Road, London, E2 7QS

Office 16, 203-205 The Vale Business Centre, Acton, W3 7QS