D T C Group Ltd

E-Line Orthodontics

21 Devonshire Street, W1G 6PB, London, 020 7467 5700

St John's Laboratory

Unit 31, Cannon Wharf Business Center, 3, SE8 5RT, London, 020 7232 2321

Bostwick Laboratories

Adam H 1 Fitzroy Square, W1T5HE, London, 020 7380 0086

COTSLAB LIMITED

71-75, Shelton Street, WC2H 9JQ, London, +442045771238

Central Alcohol Analytical Service

Kirby 63-65 Camden High Street, NW17JL, London, 020 7388 9330

Central Scientific Laboratories

Carneg 445 New Cross Road, SE146TA, London, 020 8694 9330

London Optical (UK) Ltd

linton 137 Kilburn High Road, NW67HR, London, 020 7328 7733

Public Health Laboratory Service

Centra Acton Lane, NW107NS, London, 020 8453 2566