Gas & Environmental Services Ltd

40 Meenan Road, Banbridge, BT32 3PQ

Unit 18, Woodlands Business Park, Woodlands Park Avenue, Maidenhead, SL6 3UA

72 Ennerdale Road, Shrewsbury, SY1 3LD

5 Cobden Court, Wimpole Close, Bromley, BR2 9JF

5 Pinfold Road, Leicester, LE4 8AS

33a Gatling Road, Abbeywood, London, SE2 0RE

16 GREAT QUEEN STREET, COVENT GARDEN, London, WC2B SAH

Unit 91/Thames Ind Park, Princess Margaret Road, Tilbury, RM18 8RH

43 Longcroft Lane, Welwyn Garden City, AL8 6EB

The Old Control Tower, Old Bury Road, Sudbury, CO10 9BT