Ockendon Ltd

Contact: by invitation

Vodafone/Three includes: ASDA, Freedompop, Honest mobile, iD mobile, Lebara, Smarty, Superdrug mobile, Talkmobile, Voxi.
EE includes: 1p mobile, ASDA mobile, BT mobile, Ecotalk, IQ mobile, Lyca, Plusnet, Spusu, Utility warehouse.
O2 includes: Giffgaff, Sky mobile, Tesco mobile.
(source)