Below is a list of NSAR members:
- 3D Visual Simulations Ltd
- A & M Electricals Ltd
- A&S Rail Ltd (T/A Fastrack Training & Site Services)
- A. P. Webb Plant Hire Ltd
- A.P.B Group Ltd
- Abas UK Ltd T/As Question Tools
- Absolute Training & Assessing Ltd
- Accord Partners Ltd
- Akona Ltd
- Alan Dick Communications Ltd
- Alstom Transport UK & Ireland
- Altran UK Ltd
- Amaro Signalling Ltd
- Amey UK Ltd
- Amtrain (Midlands) Ltd
- Angel Trains Ltd
- Arc Academy UK Ltd
- Arcadia Alive Ltd
- Arriva Trains UK Ltd
- Ask Management Services Ltd
- Atkins Group
- Auctus Management Group
- Babcock International Group
- Babcock Rail Ltd
- Bakerail Services Ltd
- Balfour Beatty
- Bam Nuttall Ltd
- Batch Plant Ltd
- Bedford College
- BEMA Rail Training Ltd
- Birmingham Centre for Railway Research and Education
- Birmingham Metropolitan College
- Bishop Auckland College
- Blackburn College
- Bluebell Railway PLC
- Bridgeway Consulting Limited
- Buckingham Group Contracting Ltd
- Burton & South Derbyshire College
- C & G Services (Europe) Ltd
- c2c Rail Limited
- CAF Rail UK Ltd
- Capita Property & Infrastructure
- CATER-EU
- CATS Solutions Ltd
- Centre for Engineering and Manufacturing Excellence Ltd
- Centregreat Limited
- Leabrand Ltd
- Chiltern Railway Company Limited
- City and Guilds of London
- City of Glasgow College
- City of Westminster College
- Clegg Construction Ltd
- Clements Technical Recruitment Limited t/a Clemtech
- Cleshar Contract Services Ltd
- Colas Rail Ltd
- Colchester Institute
- Conation Technologies Limited
- Copeland Solutions Ltd
- Copybook Publishing Ltd
- Costain Group plc
- Covaburn Contracts
- Coventry University
- Coyle Personnel plc
- CPC Project Services LLP
- CRL Contracts Ltd
- Crossrail Ltd
- CMS Training Solutions Ltd
- Cummins Ltd
- DataShaka Ltd
- DB Schenker Rail (UK) Limited
- Delaware North Companies (UK) Ltd
- Derby College
- Distinction Training Ltd
- Docklands Light Railway
- DVN Training & Development Ltd
- Dyer & Butler
- East London Safetrain Limited
- East Midlands Railway
- East West Rail
- Edinburgh College
- Elmec Solutions
- Epps Training Development Ltd
- Essempy
- Eurostar
- Eversheds Sutherland (International) LLP
- Eversholt Rail (UK) Limited
- Excellence, Achievement & Learning Ltd
- Faiveley Transport Birkenhead Ltd
- Fast Line Training Services Limited
- Fastrack Training and Site Services (A&S Rail
- Federal-Mogul Friction Products Limited
- Fedora Consultancy Ltd
- Finning (UK) Ltd
- Four Counties Training Ltd
- Francis & Lewis International Limited
- Freeman Railway Consultancy Ltd
- Freightliner Group Ltd
- Furrer & Frey GB Limited
- Ganymede Solutions Ltd
- Gateshead College Foundation
- Geismar UK Ltd
- Go-Ahead Group plc
- Grangemedia Technologies Ltd
- Great Central Railway PLC
- Great Western Society Limited (Didcot Railway)
- Greengauge21
- HCC Group
- Hedson Rail
- Highbury College (Portsmouth)
- Hitachi Rail Europe
- Howarth & Co Consultancy Ltd
- HSS Training Ltd
- Hull College Group
- H W Martin (Fencing Contractors) Ltd
- In2Solutions.co.uk
- Inchbrook Consultancy
- Infrastructure Training Services Ltd
- Integra Consultancy Ltd
- Intertrain UK Ltd
- Invensys Rail
- Ion Man Ltd
- ISS Labour
- J. Murphy & Sons Limited
- Jacobs UK Limited
- Jade Solutions (UK) Ltd
- Jensen Projects Ltd
- JJ Training (UK) Limited
- Kelly integration Rail U.K Ltd
- Keltbray Limited
- Keolis UK Ltd
- Kier Integrated Services Limited
- Knorr-Bremse Rail Systems (UK) Limited
- KO Premier Training & Assessment Limited
- Laing O'Rourke Holdings Ltd
- Linbrooke Services Ltd
- London and North Western Railway Heritage Company Ltd
- London Skills & Development Network
- LPA Group PLC
- M Orchard Consultancy Ltd
- M&A Rail Training Ltd
- Manufacturing & Engineering Magazine
- Manufacturing Technology Centre Ltd
- Maritime and Engineering College North West
- McGinley Support Services Ltd
- Merseyrail Electrics 2002 Ltd
- MG Scotland Ltd
- MGB Engineering Ltd
- MINC Ltd
- Myknowledgemap Limited
- Morgan Sindall Plc
- Morson Human Resources Ltd t/a Morson International
- Mott MacDonald Limited
- MPI Limited
- MTR Corporation Ltd
- Myerscough College
- National Express Trains Ltd
- National Training Acadeny Rail
- NCATI
- Nestrack Limited
- Network Construction Services Limited
- Network for Skills
- Network Rail Infrastructure Limited
- Network Training & Resource Solutions
- Newcastle College
- NewRail, School of Mechanical and Systems Engineering, Newcastle University
- Neway Training Solutions
- Nexus – Tyne & Wear passenger transport
- Nib Rail
- Northern Rail Ltd
- NTS Premier Services Ltd
- Oaklands College
- Oldham College
- Omnicom Engineering Ltd
- Orion Engineering Services Limited
- OSL Rail Ltd
- Outward Bound Trust
- Ove Arup & Partners International Ltd
- Paragon Education and Skills Limited
- Parsons Brinckerhoff Ltd
- Parsons Group International Ltd
- Paul Kirk & Associates Limited
- Pauley Interactive Ltd
- Pendersons Limited
- Penmark Ltd
- Pennant International Group PLC
- People 1st
- People Energy Ltd
- PERA Limited
- Personal Track Safety Ltd
- Peter Stanton Associates
- Pinehirst Education
- Plasser UK Limited
- Pod-Trak Limited
- Porterbrook Leasing Company Limited
- Productiv Ltd
- Professional Training & Assessment
- Prospects Learning Foundation Ltd
- Pullman Rail Limited
- QSS Group Limited
- QTS Training Ltd
- Qualitrain Limited
- Rail OP OHL Ltd
- Rail Professional Development Limited
- Rail Training International Limited
- Railcare Ltd
- Railnews Ltd
- Rail Media Group
- Readypower Engineering Ltd
- Real Skills Training Ltd
- Remit Group Limited
- Renown Railway Training Services Limited
- Richard Spoors Associates Limited
- R.I.F.A.A. Ltd
- RJ Power Limited
- RMF Training Academy C.I.C
- Rail Safety and Standards Board (RSSB)
- RT Infrastructure Solutions Ltd
- RT Training Solutions Ltd
- Running Rail Ltd
- S&T Training Ltd
- Sanctus Training Ltd
- Scot-Train Ltd
- Seaton Rail Limited
- Semcon Product Information UK
- SEMTA
- Setec Ltd
- Severn Valley Railway Company Ltd
- Shannon Rail Services Ltd
- Sheffield College
- Sheffield Hallam University
- Shipley College
- Shorterm Ltd
- Siemens Mobility Limited, Rolling Stock Ltd
- Siemens PLC
- Sigassure UK Limited
- Sigma Management Development Ltd
- Signal House Group Limited
- Signalling Solutions Ltd
- Signet Solutions Limited
- Snap-On U.K. Holdings Ltd
- Solihull College
- South Cheshire College
- Southern Railway Limited
- South Western Railway
- Stafford College
- Steer Davies & Gleave Ltd
- STEGTA
- Story Rail Limited
- SW Global Resourcing Ltd
- Swietelsky Construction Company Ltd
- Swindon College
- TEC Training Ltd
- Telent Technology Services Ltd
- Temple Group Ltd
- Terrapinn Holdings Ltd
- TES 2000 Ltd
- TES Training Ltd.
- Testing Installation Correlation Services (Global) Limited (TICS)
- Thales UK
- The Edge Picture Company
- Thermit Welding (GB) Limited
- TPS Weldtech Ltd
- TQ Catails Lts
- TRAC Training Limited
- Track Enginering Ltd
- Track Line Training Limited
- Trackwork Limited
- Train'd Up Railway Resourcing Ltd
- Training & Track Quality Service
- Transport for London
- Transport UK
- Tresham College of Further & Higher Education
- Tribal Group plc
- Tube Lines Ltd
- Turner & Townsend plc
- TXM Training Academy
- UK Rail Advisory Ltd
- Unipart Rail Limited
- University of Derby Corporate
- University of Huddersfield Enterprise
- University of Leeds, School of Civil Engineering
- University of Southampton
- VGC Services PLC
- VolkerRail Limited
- VTG Rail UK Limited
- VVB Engineering Services
- Weld-A-Rail Ltd
- West Cheshire College
- West Herts College
- West Nottinghamshire College
- Westminster Kingsway College
- Wiltshire College
- WJ Project Services Ltd
- XYZ Rail
- York College
- Zoellner UK Ltd