Company Index
- J A C - Bargoed
- J A D Euro Med Ltd - Chelmsford
- J Blackledge and Son Ltd - Chorley
- J Coker Ltd - Faversham
- J E Daniel - Gravesend
- J J Harrison PVC Products Ltd - Leigh
- J M Fabrications - Solihull
- J Owen Ltd - Chelmsford
- J Price Ltd - Corsham
- J R Cooper Ltd - Sandy
- J R T Plastics and Engineering - Bacup
- J Stell and Sons Ltd - Keighley
- J-Flex Rubber Products - Retford
- JA Baddeley and Co Ltd - Nottingham
- Jackdaw Polymers Ltd - Rochdale
- Jackson Plastics Extrusions Ltd - Haslemere
- Jacobi Carbons Ltd - Birkenhead
- JAConsultants - Swadlincote
- Jacuzzi UK - Bradford
- Jalite plc - Basildon
- Jamak Fabrication Europe Ltd - Manchester
- James Fleming Plastics Ltd - Glasgow
- James Hutton (Pressings) Ltd - Birmingham
- James Leigh Rubber And Plastics Ltd - Birmingham
- James M Brown Ltd - Stoke on Trent
- James McMahon Ltd - Limerick
- James Young Engineering Ltd - Glasgow
- James-Dawson - Lincoln
- Jamie Strong and Co - Reading
- Jana Enterprises Ltd - Beverley
- Jarden Plastic Solutions Ltd. - Christchurch
- Jarzon Plastics Ltd - Horsham
- Jasir S Lamsar - Leicester
- Javah Ltd - Batley
- Javelin Plastics - Camberley
- Jay Rubber Linings Ltd - Crewe
- Jaycare Ltd - Newcastle upon Tyne
- Jaydene Plastics Ltd - Leicester
- Jaymart Rubber and Plastics Ltd - Westbury
- Jayplas Extrusions - Buxton
- JB Windows and Conservatories - Newton Aycliffe
- JCS Technology - Weston super Mare
- JD Plastics - Liverpool
- JD Profile Extrusion - Buckingham
- Jeaton Ltd - Preston
- Jeld-Wen UK Ltd - Darlington
- Jenart Design - Bideford
- Jenoptik (UK) Ltd - Hitchin
- Jensa Strapping and Plastics Ltd - Bedford
- Jet Engineering Plastics Ltd - Glasgow
- Jet Engineering UK Ltd - Bilston
- Jet Engineering UK Ltd - Bridgnorth
- Jet Rollers Ltd - Accrington
- Jetpac Ltd - Stroud
- Jewel Blade Ltd - Sheffield
- JF Plastics - Leeds
- JG Black Polymers Ltd - Ulverston
- JH May Ltd - London
- JH Robinson - Horncastle
- Jiffy Packaging Company Ltd - Winsford
- Jilks Plastics Ltd - Redhill
- Jit-Pak Ltd - Leighton Buzzard
- JJ Williams (Gaskets) Ltd - Whitstable
- JM Plastics Ltd - Caerphilly
- Jo Bird and Co Ltd - Highbridge
- John Allan Plastics - Camberley
- John Burn and Co (Birmingham) Ltd - Birmingham
- John Davidson (Pipes) Ltd - Carlisle
- John Dobson (Milnthorpe) Ltd - Milnthorpe
- John Jerram - Derby
- John Lack Equipment - Wellingborough
- John Miles - Bolton
- John Miles Rubber Products - Bolton
- John R Boone Ltd - Congleton
- John Sheard Ltd (Engineering) - Pudsey
- Johnsen and Jorgensen Ltd - Dartford
- Johnson Polymers Ltd - Studley
- Jones Clifton Ltd - Birmingham
- Jordan Plastics Ltd - Craigavon
- Jordan Rubber and Plastics - Birmingham
- Jotun Paints (Europe) Ltd - Scunthorpe
- JPB Plastics - Baldock
- JR Dare Ltd - Aldridge
- JR Technology Ltd - Royston
- JRD Bipel Ltd - Walsall
- JRD Rubber Mouldings Ltd - Ely
- JS Cockshott (1982) Ltd - High Wycombe
- JS Plastics Ltd - Glossop
- JSK Ultrasonics Ltd - Milton Keynes
- JT Solutions - Paignton
- Juniper Trading - Wellingborough
- Just Plastics Ltd - Norwich
- Just Rollers plc - Cwmbran
- JW Challis and Co Ltd - Ramsgate
- JWS Suppliers Ltd - Telford
