Here are some websites that we think you will find useful.
For Mezzanine Floor installations try Bradfield Storage
Lojix are a digital marketing agency with offices in Leeds and Barnsley
Damp2dry are damp proofing specialists covering the Yorkshire area.
MPC Services for sewage treatment plant installations.
Racking2go for security and safety barriers.
Noise solutions for industry from Wakefield Acoustics including noise havens and acoustic louvres which are perfect for building ventilation and weatherproofing of apertures created in buildings.