| Jon Clark | Facilities Services | at Incentive FM Group | · London |
| Jon Clark | Computer Software | at Broadcast Bionics | · Haywards Heath |
| Jon Clark | director | at Young Epilepsy | · Lingfield, Surrey |
| Jon Clark | Global CEO Nitrogen: A Huntsworth Health Company | at Nitrogen Health | · London |
| Jon Clark | Director And Owner | at Environment Agency | · Glasgow |
| Jon Clark | director | at New Ashgate Gallery | · Farnham |
| Jon Clark | teacher | at South West Shaolin Academy | · Bristol |
| Jon Clark | Vice-President | at Allan Carter Ltd. | · Reading, Berkshire |
| Jon Clark | Member | at Community Church Putney | · London |
| Jon Clark | Information Technology and Services | at Open GI | · Worcester |
| Jon Clark | Analyst Programmer | at Compuware LTD | · Slough |
| Jon Clark | Sectoral Group Support Officer | at The Chartered Institute of Public Relations | · London |
| Jon Clark | Staffing and Recruiting | at Vivedia Ltd | · Sheffield |
| Jon Clark | Oil & Energy | at Calash Ltd. | · Aberdeen |
| Jon Clark | Global CEO Nitrogen: A Huntsworth Health Company | at Nitrogen (formerly Dorland Global) | · Reading, Berkshire |
| Jon Clark | Health, Wellness and Fitness | at Hands On Life | · Chulmleigh |
| Jon Clark | Import and Export | at Fruit Growers Alianza LTD / Fruit Growers Alliance Bv | · Chatteris |
| Jon Clark | Member | at Bone Idol | · Hove |
| Jon Clark | Construction | at Radii Partitioning Ltd | London Partitioning Experts | · London |
| Jon Clark | Packaging and Containers | at George Loosely | · Ipswich |
| Jon Clark | director | at RSK Environment Limited | · Aberdeen |
| Jon Clark | Test Manager | at Police Mutual | · Lichfield |
| Jon Clark | Automotive | at Fca Fiat Chrysler Automobiles | · London |
| Jon Clark | Transportation/Trucking/Railroad | at Atkins | · Epsom |
| Jon Clark | CAD/CAM | at Bowes Design &Development LTD | · Aylesford |
| Jon Clark | Information Technology and Services | at Vinters IT Ltd | · Maidstone |
| Jon Clark Cooper | secretary | at 48 Boundary Road Limited | · London |
| Christopher Jon Clark | director | at Car Offers Direct Limited | · Aberdeen |