Gem Environmental Bldg Srv Ltd

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

20-22 Wenlock Road, London, N1 7GU

267 Railway Arches, Poyser Street, London, E2 9RF

95 Kidbrooke Park Road, London, SE3 0DZ

Unit 8, Rangemoor Road, London, N15 4NG

Suite 4 The Gardens, 300 High Holborn, Coleshill, B46 1DL

The Loom, 14 Gower’s Walk, London, E1 8PY

Atrium, Stables Market, Chalk Farm Road, London, NW1 8AH

294a Kingsland Road, London, E8 4DG

124 City Road, London, EC1V 2NX