Pipes and tubes, glass fibre reinforced plastic (GRP) in United Kingdom
- B J Tubular Services
- Pipelines Centre
- G & A Plastics Holdings Ltd
- Titan
- Transam Rubber & Extrusions Ltd
- Pipe Center
- Hydrapower Dynamics Ltd
- Polytec Holden Ltd
- Pipe Center
- K N G Developments
- Capmark Ltd
- Coe's Derby Engineers in GRP
- Stokplas Ltd
- Ahlstrom Chirnside Ltd (a division of Dexter Speciality Materials Ltd)
- Dartford Composites Ltd
- Pipe Center
- Flexadux Plastics Ltd
- Tufnol Composites Ltd (Machining and Stockholding)
- Ian Flockton Developments Ltd
- Lamplast Industrial Plastics
- Abbey Distribution
- Pipe Center
- G P S (An Aliaxis Co.)
- Harviglass-Fibre Ltd
- Drain Centre

Rubber and plastic products