• Advance Communications & Rentals
  111 Kingsley Cresent, Stonebroom, ALFRETON, Derbyshire, DE55 6HZ
• Businessitsupport.Net
  125 Holymoor Road, Holymoorside, CHESTERFIELD, Derbyshire, S42 7DR
• Central Communications Group Ltd
  3 The Maltings, BURTON ON TRENT, Staffordshire, DE14 1SF
• Cleartone Communications Ltd
  Saxon House, Friary St, DERBY, Derbyshire, DE1 1NL
• Communicate (Business Communications) Ltd
  Suite 16 Keynes House, Alfreton Road, DERBY, Derbyshire, DE21 4AS
• Diamond Communications
  Saxon House, Friary St, DERBY, Derbyshire, DE1 1NL
• Easicaller Ebt
  Imex Business Centre, Shobnall Road, BURTON ON TRENT, Staffordshire, DE14 2AU
• How2 Telecom Ltd
  3 The Maltings, Wetmore Road, BURTON ON TRENT, Staffordshire, DE14 1SE
• Outpost Communications LLP
  Saxon House, Friary St, DERBY, Derbyshire, DE1 1NL
• Premier Telecommunications Ltd
  The Old Chapel, Main Street, Branston, BURTON ON TRENT, Staffordshire, DE14 3EY
• Telecommunications Europe Ltd
  3 The Maltings, Wetmore Road, BURTON ON TRENT, Staffordshire, DE14 1SE
• The Old Telecom Sales Co. Ltd
  3 The Maltings, Wetmore Road, BURTON ON TRENT, Staffordshire, DE14 1SE
• Xtra Communications
  31 High Street, Doveridge, ASHBOURNE, Derbyshire, DE6 5NA