David Brian Leng

Synseal Extrusions Ltd. is a manufacturer of PVC (Polyplastic Chloride) profiles, gaskets and associated components. It offers PVCu (unplasticized PVC) extrusions, conservatory manufacturing, gasket extrusion, injection molding, and power blending. The firm serves clients from the window, door and conservatory as well as sunroom manufacturing industries. The company was founded by Gary Dutton and is headquartered in Sutton-in-Ashfield, the United Kingdom.

Polyframe Livingston Ltd. provides PVC windows, doors and conservatories fabrication services. The company is headquartered in Livingston, the United Kingdom.

Customade Group Trading Ltd. is a holding company that manufactures and distributes trade windows, doors and conservatories. Its products include REAL aluminum, atlas glazed roof solutions, virtuoso doors, and fineline aluminum. The company was founded by Martyn Brian Buckley in 1992 and is headquartered in Stonehouse, the United Kingdom.

The Customade Group Ltd. supplies PVC-u and aluminum fenestration products. It offers windows, doors, conservatory roofs, architectural aluminium, glass, and sealed units. The company was founded in 1980 and is headquartered in Gloucestershire, the United Kingdom.

Customade Group Topco Ltd. is an investment holding British company founded in 2016. The private company is based in Stonehouse, UK. and has subsidiaries in United Kingdom.

Founded in 2005, Customade (UK) Ltd. is a subsidiary of Customade Group Trading Ltd. that manufactures and supplies aluminium and PVCu windows & doors. The company is based in Stonehouse, UK.

Founded in 1993, Polyframe Doors Ltd. is a part of Customade Group Trading Ltd. that manufactures composite and PvCu entry doors. The company is based in Halifax, UK.

Founded in 2014, Polyframe Norwich Ltd. is a subsidiary of Customade Group Trading Ltd. that manufactures and sells PVC windows and doors. The company is based in Norwich, UK.

Part of Customade Group Trading Ltd., Atlas Glazed Roof Solutions Ltd. is a British company that specializes in glass roofing solutions. Atlas Glazed Roof Solutions is based in Stonehouse, UK and was founded in 2011. The company's description emphasizes the importance of glass in their products, stating that "Glass. More than meets the eye."