Adventure Company, Cross & Pillory House, Cross & Pillory Lane, Alton, Hampshire GU34 1HL, T0845-450 5316, http://www.adventurecompany.co.uk.
Arc Journeys, arcjourney@aol.com, http://www.travelarc.com, small group or bespoke tours to Southeast Asia and elsewhere.
Audley Travel, New Mill, New Mill Lane, Whitney, Oxfordshire OX29 9SX, T01993-838100, http://www.audleytravel.com.
Explore, Nelson House, 55 Victoria Rd, Farnborough, Hants GU14 7PA, T0870-333 4002, http://www.explore.co.uk.
Discovery Initiatives Ltd, The Travel House, 51 Castle St, Cirencester GL7 1QD, T01285- 643333, http://www.discoveryinitiatives.co.uk.
Dragoman, info@dragoman.co.uk, http://www.dragoman.co.uk, adventure and cultural tours and expeditions.
Exodus, http://www.exodus.co.uk, small-group trekking holidays, adventure tours and more.
Explore Worldwide, http://www.explore.co.uk, small group adventure tours across the world, including Southeast Asia.
Footprint Adventures, www.footprint- adventures.co.uk, trekking and wildlife trips to Southeast Asia and wider.
Guerba Adventure & Discovery Holidays, Wessex House, 40 Station Rd, Westbury, Wiltshire BA13 3JN, T01373-826611, http://www.guerba.co.uk.
The Imaginative Traveller, http://www.imaginative-traveller.com, adventure tours to the world, including Southeast Asia.
Kuoni Travel, Kuoni House, Dorking, Surrey, T01306-747002, http://www.kuoni.co.uk.
Magic of the Orient, 14 Frederick Pl, Clifton, Bristol BS8 1AS, T0117-311 6050, www.magic oftheorient.com. Tailor-made holidays.
Naturetrek, Cheriton Mill, Cheriton, Alresford, Hampshire SO24 0NG, T01962-733051, http://www.naturetrek.co.uk.
Peregrine, First Floor, 8 Clerewater Pl, Lower Way, Thatcham, Berkshire RG19 3RF, T01635-872300, http://www.peregrineadventures.co.uk.
Realworld-travel, Lower Farm, Happisburgh, Norwich NR12 0QQ, T0709-23322, http://www.4real.co.uk.
Regaldive, 58 Lancaster Way, Ely CB6 3NW, T0870-220 1777, http://www.regal-diving.co.uk.
Regent Holidays, Fromsgate House, Rupert St, Bristol BS1 2QJ, T0845-277 3317, http://www.regent-holidays.co.uk.
Silk Steps, Odyssey Lodge, Holy Well Rd, Edington, Bridgwater, Somerset TA7 9JH, T01278-722460, http://www.silksteps.co.uk.
STA Travel, http://www.stratravel.com.
Steppes Travel, 51 Castle St, Cirencester, Glos GL7 1QD, T01285-880980, http://www.steppestravel.co.uk.
Symbiosis Expedition Planning, Holly House, Whilton, Daventry, Northants, NN11 2NN, T0845-123 2844, http://www.symbiosis-travel.com.
Teaching and Projects Abroad, http://www.teaching-abroad.co.uk, offers work and experiences while you travel.
Trans Indus, Northumberland House, 11 The Pavement, Popes Lane, London W5 4NG, T020-8566 2729, http://www.transindus.co.uk. Tailor-made holidays and group tours.
Travel Indochina, 2nd floor, Chester House, George St, Oxford 0X1 2AY, T01865-268940, http://www.travelindochina.co.uk. Small-group journeys and tailor-made holidays.
Travelmood, 214 Edgware Rd, London W2 1DH; 1 Brunswick Court, Leeds LS2 7QU; 16 Reform St, Dundee DD1 1RG, T0800-298 9815, http://www.travelmoodadventures.com.
Trekforce Expeditions, Way to Wooler Farm, Wooler, Northumberland, NE71 6AQ, T0845-241 3085, http://www.trekforce.org.uk.
Trips Worldwide, 14 Frederick Pl, Clifton, Bristol BS8 1AS, T0117-311 4400, http://www.tripsworldwide.co.uk.
Visit Asia (Tennyson Travel), 30-32 Fulham High St, London SW6 3LQ, T020-7736 4347,
http://www.visitasia.co.uk.