Company Index - Z
- Z M T Services Ltd. - Exeter
- Z Tech Mobility - Brierley Hill
- Zanetti & Co. Ltd. - Bristol
- Zantec Catering & Refrigeration Services Ltd. - Stockport
- Zapp (GB) Ltd - Sheffield
- Zeag (Uk) Ltd. - London
- Zeatz-Hofmann - Chesterfield
- Zedtech - Dewsbury
- Zeitlauf Gearmotors Ltd - Buckingham
- Zenith Blinds Ltd. - Hayes
- Zenith Doors Industrial Ltd. - Newton Abbot
- Zepf Technologies - Cumbernauld
- Zero Clips Ltd - Birmingham
- Zeta Windings Ltd. - Isleworth
- ZetaCool Ltd - Isleworth
- Zetechtics Ltd. - York
- Zeus Engineering & Maintenance - Exeter
- Zeus Metal Fabrications - Uxbridge
- Zimed Ltd. - St Asaph
- Zinc Counters Ltd. - Harrogate
- Zincast Foundry Ltd. - Willenhall
- Zinco (Midlands) Ltd - Walsall
- Zinda Metals - Ilkeston
- Zip Heaters (U K) Ltd. - Dereham
- Zip Kart Ltd - Hoddesdon
- Zip Pack Packaging Technology Ltd. - Doncaster
- Zisman Bowyer & Partners - Richmond
- Zisys Ltd. - Irvine
- Zoeller Waste Systems Ltd. - Redditch
- Zollern UK Ltd - Kenilworth
- Zone Power Ltd - Diss
- Zone Precision Components Ltd. - Chatham
- Zoom Boom - Elland
- Zoom C C T V (North East) Ltd - Washington
- Zotic Holdings Ltd. - Birmingham
- Zygology Ltd - High Wycombe
- Zymax International Ltd - Bideford
- Zytek Motorsport Ltd. - Derby
