Petech Ltd.
Address: 73 Upper Berkeley Street, London, W1H 7DB
Quadrant Gas Ltd
Telephone: 020-7257-0100
Address: P O Box 219, London, WC2N 6QA
Utilicorp U K Gas Co.
Telephone: 020-7799-0000
Address: 21 Tothill Street, London, SW1H 9LL
Aquila Energy Ltd.
Address: Southside, 105 Victoria Street, London, SW1E 6QT
Office of Electricity Regulation
Telephone: 020-7233-6366
Address: 5th Floor, 11 Belgrave Road, London, SW1V 1RB
Transco
Telephone: 020-8371-7500
Address: The Holder Station, Bittacy Hill, London, NW7 1HU
Gas Link U K Ltd.
Address: Unit F28b Hastingwood Trading Es, London, N18 3LP
Midlands Gas Ltd.
Telephone: 020-7823-2626
Address: 33 Grosvenor Place, London, SW1X 7HY
