| GB | AS47622 | Datatech UK Ltd |
| GB | AS49318 | TELEFONICA TECH UK MANAGED SERVICES LTD |
| GB | AS44403 | Bristol City Council |
| GB | AS49324 | Nottingham City Council |
| GB | AS15914 | British Airways plc |
| CA | AS49707 | TESSAWORKS |
| GB | AS207900 | Northrop Grumman UK Limited |
| GB | AS213000 | Alliance Medical Limited |
| US | AS33680 | TELEPERFORMANCE-USA |
| GB | AS197370 | Nottinghamshire County Council |
| GB | AS207245 | DSTI Holdings Limited |
| GB | AS39341 | Acxiom U.K. Limited |
| GB | AS204322 | New York Times Limited |
| GB | AS50078 | X-ON |
| GB | AS42359 | The Football Association Ltd. |
| GB | AS206773 | MSX International Ltd |
| GB | AS197104 | Gentoo Group Limited |
| GB | AS205693 | Driver & Vehicle Licensing Agency |
| GB | AS202907 | ATOMICIT |
| US | AS63112 | Service-now.com |
| GB | AS25050 | VOCALINK LTD |
| GB | AS33879 | Forth Ports Public Limited Company |
| GB | AS60382 | Cranleigh School |
| GB | AS210216 | HCL Technologies UK Limited |
| GB | AS208895 | Intelligence Hosting Services Limited |
| US | AS22787 | ARRIS Enterprises LLC |
| GB | AS199675 | Willis Group Services Ltd |
| US | AS6254 | EG&G, Inc. |
| GB | AS209761 | NECS |
| GB | AS39103 | Moat Homes |
| GB | AS210988 | London Borough Of Hammersmith & Fulham |
| US | AS16525 | KBR |
| GB | AS213885 | Wilxite Ltd |
| FR | AS211124 | CGI-UK-AS |
| GB | AS44521 | Jagex Limited |
| GB | AS35707 | Scottish Power UK PLC |
| NL | AS209258 | TSYS Europe (Netherlands) B.V. |
| GB | AS43838 | City of Bradford Metropolitan District |
| GB | AS204045 | Compass Plus (Great Britain) Limited |
| GB | AS50985 | Electronic Arts Limited |
| GB | AS209997 | SECURITAS TECHNOLOGY LIMITED |
| GB | AS57002 | William Hill Organization Ltd |
| KH | AS210912 | KIM SOKNY |
| GB | AS206576 | Wavenet Limited - AS206576 |
| GB | AS8296 | HBVB Private Unlimited |
| US | AS397010 | Dice Lion Technology |
| GB | AS41383 | Wolseley UK Limited |
| GB | AS28939 | ARM |
| GB | AS207120 | Quickline Communications Limited |
| US | AS19239 | KLA Corporation |
