I don't actually know if this company is still trading, so you would have to check -
Complete Upholstery Co - re-upholstery, loose covers, memory foam, cushion inners, BEAN BAGS, poly beads, fabrics.
Nave 1, Calle Portugal, Pol. Industrial Las Maromas, Almoradi
965 701 844/677 825 149
They also cut foam to size, and have firm, medium and soft densities, so might be of interest to those of you who were trying to buy mattress toppers.