Over 200 companies attended the TPi Awards in 2011 including:

3A Entertainment, 3D Design, AC Entertainment Technology, Academy Music Group, Acorn Event Solutions, Action impact, Adlib Audio, Adlib Lighting, AED Rent UK, AEG Live (UK) Ltd, All Access Inc, Allen & Heath, Ambassadors Group, Angel Music Group, APL Event, Arena Seating, Arena Structures, ART, Artistic Licence, Asgard Productions, Atkins Global, Audio Rent Clair, Avid Technology Europe Ltd, Avolites, Azule Finance, Bandit Lites, Barco Lighting Systems, Barco Ltd, Beat The Street, Bico A/S, Black & White Live, Blackout, Bliss Events, Brilliant Stages, Brit Insurance Ltd, Britannia Row Productions Ltd, British Sky Broadcasting, BWTUC, Capital Sound Hire Ltd, Chain Group, Chaos Visual, Christie, Clair, Clay Paky, Clockwork Productions, Coast 2 Coast Security, Coldplay Management, Concert Sound Clair Ltd, Creative Technology Ltd, CrewCo, CTF, Cyberhoist, Delta Sound (Dubai), Delta Sound / Sound by Design, DiGiCo, Dobson White Partnership, Doodson Broking Group, DSV Road Limited, E T Travel, E.L.P., EasiLife Rigging, Eat To The Beat, EFM, Element Labs, Eleven 11 Limited, ELM, EM Communications, EMO UK, Entec, EnTEEtainment Ltd, EPI Ltd, ES Group, Evil Edna Ltd., Fibre Optic Systems Ltd, Fifth Estate, Firehouse, Fishbone Design, Fly By Night, Fourth Generation, Funktion One, Fuzion Plc, G G Productions, G4S Events, Gallowglass, GCLD-Lighting Design, Gearhouse, Gig Foot Touring, GLD Productions Ltd, Global Alliance, Global Infusion, GLS Lighting, GMH Productions, Gun Room Media, Hangman, Headline Security Management Ltd, HFM Lighting, Holiday on Ice Productions B.V., Horizon Entertainment Cargo, HSL, Imagination, Independent Studio Services, Innovision, Ipix Digital Lighting Ltd, Irish Rigging Services, J&C Joel, JA Productions, Jimmy Innes Productions, K B Event Ltd, Kilimanjaro, Kinesys, L-Acoustics, Le Mark Self Adhesive, Lift Turn Move, Litestructures, Live Nation, Lloyds TSB-Business, LMC Audio Systems, Lodestar, Logistics Un Ltd, Loudsound, Luminart, MA Lighting, Marshall Arts Ltd, Martin Professional, MB Interactive, Media Travel Ltd, Mediatech Solutions, Mediocre Productions, Metropolis, Meyer Sound, Midas, MOJO Barriers, Mondo DR, MPL, Music Bank, Music By Appointment, Oval Insurance, Perry Scenic, Pheonix Partners, Pixelrange, PLASA Events Ltd, Plaster Communications, Power Logistics, PRG, PRG Distribution, Production Services Ireland, PSA, PSB, PSCo Ltd, PSNE, Pulsar, Purple Sky, Q E D Management, R G Jones, Redburn Transfer, REM Events, Richard Martin Lighting, Robe UK Ltd, Rock-It Cargo, Ross Williams Ltd, Roundshire, Royal Albert Hall-Senior Stage Manager, Screen Moves, Sennheiser, Serious Stages, Serviscene Rigging, Showforce Services Ltd, Showsec International Ltd, Showtech, Shure, Shure Distribution, SJM, SK Consulting, Smoking Gun Design, Sound by Design, Sound Hire, Sound Technology Ltd, Sound Moves, Specialized Security, Specialz Ltd, SRD Group, SSE Audio, Stage Audio Services Ltd, Stage Miracles, Stageco, Stagelink Limited, Star Events Group, Steven G. Chapman Tour Management, Still! You Know Best Ltd, Studio Due, Stufish, Synco, TCP International, The Ambassador Theatre Group, The Chain Group, The Fountain Studios, The Rock City, Theatre Projects Consultants, TMB, Total Solutions Group, Tour Supply/STS, TPO, Transam Trucking Ltd, Vanguardia Consulting, VDC Trading, VER, Video Equipment Rentals, VME, Wembley Arena, The FA, Westfield Health, WiCreations BVBA, Wig Wam Hire, WRG UK, XL Video, Yamaha.