| Operator | Address | Phone | Website |
| Airport by Bus | Office 8, Airways House, Stansted Business Park, First Avenue, Stansted Airport, CM24 1RY | 01279 681800 | http://www.airportbybus.com |
| Arriva the Shires and Essex | Arriva Customer Services, Freepost ANG 7624, Luton, LU4 8BR | 0344 800 4411 | http://www.arrivabus.co.uk |
| Arriva London | Arriva Customer Services, Freepost ND 6721, London, N22 4BR | 0208 271 0200 | http://www.arrivabus.co.uk |
| Arriva Southend | Arriva Customer Services, Freepost ANG 7624, Luton, LU4 8BR | 0344 800 4411 | http://www.arrivabus.co.uk |
| Carters Coach Services | Orwell View, 40 The Strand, Wherstead, Ipswich, Suffolk, IP2 8NL | 01473 313188 | http://www.carterscoachservices.co.uk |
| Coggeshall Community Bus | Dickens House, Guithavon Street, Witham, Essex CM8 1BG | 01376 562090 | http://www.coggeshallbus.co.uk |
| Ensign Bus Company | Juliette Close, Purfleet Industrial Park, Purfleet, RM14 4YF | 01708 865656 | http://www.ensignbus.com |
| First Essex Buses | Customer Service Centre, Rouen House, Rouen Road, Norwich, NR1 1SN | 08456 020121 | http://www.firstgroup.com |
| Fourways Coaches | Unit H, Yard 2,Poole Lane, Highwood, Chelmsford , Essex CM1 3QL | 01245 248009 | http://www.4wayscoaches.com |
| Hedingham Omnibuses | Dugard House, Peartree Road, Stanway, CO3 0UL | 01206 769778 | http://www.hedingham.co.uk |
| LCB Travel | 21 The Maples, Harlow, CM19 4QY | 01279 635222 | |
| National Express | 4 Vicarage Road, Birmingham, B15 3ES | 08717 818181 | http://www.nationalexpress.com |
| NIBS | Bruce Grove, Shotgate, Wickford SS11 8BZ | 01268 767870 | http://www.nibsbuses.com |
| Network Colchester | TGM Group, c/o Arriva Customer Services, Freepost ANG 7624, Luton LU4 8BR | 0344 800 4411 | http://www.networkcolchester.com |
| Network Harlow | TGM Group, c/o Arriva Customer Services, Freepost ANG 7624, Luton LU4 8BR | 0344 800 4411 | http://www.harlowbus.com |
| Regal Busways | Landview, Ongar Road, Cooksmill Green, Chelmsford CM1 3SR | 01245 249001 | http://www.regalbusways.com |
| Stagecoach in Cambridge | 100 Cowley Road, Cambridge CB4 0DN | 01223 423578 | http://www.stagecoachbus.com |
| Stephensons of Essex | Riverside Industrial Estate, South Street, Rochford SS4 1BS | 01702 541511 | http://www.stephensonsofessex.com |
| TGM Stansted | TGM Group, c/o Arriva Customer Services, Freepost ANG 7624, Luton LU4 8BR | 0344 800 4411 | http://www.tellingsgoldenmiller.co.uk |
| Townlink Buses | Unit 9, Burnt Mill Industrial Estate, Elizabeth Way, Harlow, CM20 2HT | 01279 424424 | |
| Transport for London | 4th Floor, 14 Pier Walk, North Greenwich, London SE10 0ES | 0343 222 1234 | http://www.tfl.gov.uk |
