Indigo

8 Lowe 68 Northway, NW116PA, London, 020 8731 9977

Infocorp Ltd

Unit 2 6 Lanark Square, E149RE, London, 020 7712 0101

Information Research Ltd

Evelei 109 Uxbridge Road, W55TL, London, 020 8832 7830

Infoscape

Regal 17 Park Hill, SW49NS, London, 020 7585 2006

Inn Data Ltd

Holywe PO Box 372, SW196LH, London, 020 8780 2095

Insight Medical Research Ltd

Brookd 11-13 Charterhouse Buildings, EC1M7AP, London, 020 7608 9300

Insight Research

46 San Sandwich Street, WC1H9PR, London, 020 7383 4546

Institute Of Practitioners In Advertising

Dirac 44 Belgrave Square, SW1X8QS, London, 020 7235 7020

Internet Research Co

Unit 4 1 Hinde Street, W1U2AY, London, 020 7486 0030

Isis Research PLC

Unit 7 Embankment, SW151LB, London, 020 8246 6200

Jeremy Coyle Associates Ltd

1 72 Blackheath Road, SE108DA, London, 020 8692 6292

Jigsaw Research Ltd

Suite 35 Soho Square, W1D3QX, London, 020 7529 9870

Joan Pegram

101A 1 Holly Lodge Gdns, N66AA, London, 020 8340 6822

Kadence (UK) Ltd

Carlto 27A Carlton Drive, SW152BS, London, 020 8246 5400

Kadence (UK) Ltd

748 Fu Fulham, SW65SH, London, 020 7610 6421

Katryniak & Partners

Park M 96 Cromwell Road, SW198NA, London, 020 8542 5090

Kudos Research Ltd

Edward 19-21 Nile Street, N17LL, London, 020 7490 7888

Leaper Associates

2 & 15 14 Muswell Hill Road, N65UG, London, 020 8444 5595

Leftfield

Soho W Clink Street, SE19DG, London, 020 7407 2546

Lepus

Stoneb 5 St. John's Lane, EC1M4BH, London, 020 7250 4792

Link Strategic Research

Poole 48-50 St. John Street, EC1M4DT, London, 020 7251 2432

Live Strategy

Unit 7 85 Buckingham Gate, SW1E6PD, London, 020 7393 4953

London Focus

Colet 100 Hammersmith Road, W67JP, London, 020 8563 7117

M & M Planet Retail

Cherry 42 Colebrooke Row, N18AF, London, 020 7704 9951