Updated: Thursday the 17th of May, 2012 Accreditation Services: NSI (National Security Inspectorate)
A & B Industrial Services (North East) Ltd - Newcastle Upon Tyne
A 2 W Security - Kent
A B I Facilities Engineering Ltd -
Abacus Bouncy Castles -
Abacus Fire Security -
Advanced Air Conditioning & Refrigeration Ltd - Cheshire
Agritronix - Southfield
Albert Innes Ltd - Leeds
Allenbuild (North West) Ltd - Sandiacre, Nottingham
Heat & Eat Ltd - Westcliff-on-sea
Hugall Services Ltd - London
Multifoil Ltd - Exeter
Nation Water Treatments Ltd - Lingfield
National Rehab Ltd - Sheffield
National Weights & Measures Laboratory - Teddington
NSF-CMi Ltd - Oxford
Oltec Group Facilities Management - Wigan
Re: Media Ltd - Bakewell
Seaways Services (UK) Ltd - Burnley
Security Fasteners & Fixings (UK) - Cradley Heath