ESPO - Eastern Shires Purchasing Organisation
- ESPO supplies schools, colleges, County Councils, City and District Councils in Cambridge, Norfolk, Warwick, Leicester and Peterborough along with other statutory bodies such as charitable organisations which elect to make use of its specialised knowledge
- http://www.espo.org/

Society of Purchasing Officers
- The Society of Purchasing Officers in Local Government (SOPO) engages in a range of activities aiming to promote its strategic purchasing, contracting and supplies functions.
- http://www.sopo.org/

European Tenders Direct
- An information service providing details of European tenders, public contracts, public tenders, contracts and tenders issued by European organisations.
- http://www.tendersdirect.co.uk/