Associate membership is open to primary designers and manufacturers of storage equipment with offices and a significant operation in the UK. Members are required to ensure their product designs conform to a third party assessment in line with the SEMA QAS and will normally have been trading in storage equipment for a minimum of two years and have a turnover of £0.75m of which a minimum of £0.25m will be in products within the scope of the Association as listed within Appendix 1 and 2 of the SEMA Constitution.