Cornerstone Network Services is listed in:
 Network and Data Communications
 Network and Data Communications in Lanarkshire
 Network and Data Communications in Glasgow

Macdonald Spence Computing Ltd is listed in:
 Network and Data Communications
 Network and Data Communications in Lanarkshire
 Network and Data Communications in Glasgow

Elan Networks is listed in:
 Network and Data Communications
 Network and Data Communications in Lanarkshire
 Network and Data Communications in Glasgow