| Atlantic Spars Ltd. | Devon |
| www.spars.co.uk | |
| Carbospars S.L. | Spain |
| www.carbospars.com | |
| Collars | Oxfordshire |
| www.collars.co.uk | |
| C-Spars | Essex |
| www.c-spars.co.uk | |
| Northern Spars & Rigging | North Yorkshire |
| www.coatesmarine.co.uk | |
| Sailspar Ltd. | Essex |
| www.sailspar.co.uk | |
| Selden Mast UK Ltd. | Hampshire |
| www.seldenmast.com | |
| Southern Masts & Rigging | East Sussex |
| www.smr-uk.com | |
| Z Spars International Ltd. | Suffolk |
| www.zsparsuk.com | |
| Super Spars. | Hampshire |
| www.superspars.com | |