Aerospace Company Index - I
- I & R Plastic Recycling Ltd - Stourport on Severn
- I 2 Ltd - Cambridge
- I A Brown Pharmaceuticals - Kidderminster
- I P C Hospital Service - Rayleigh
- I-Tec Independent Technicians Ltd - Banbury
- IBG Immucor Ltd - Shoreham by Sea
- Ic Dental Laboratory - Sale
- Ice Healthcare Ltd - Bracknell
- Ice Refrigeration Services Ltd - Poole
- Icom (UK) Ltd - Herne Bay
- ICS Ltd - Hereford
- Id Aromatics Ltd - Leeds
- Ideal Recycling Ltd - Manchester
- Idis Group Holdings Ltd - Weybridge
- Idis Ltd. - Weybridge
- IEWC UK and Ireland Ltd - Weston super Mare
- Igus UK Ltd - Northampton
- Ik-Eco Ltd - Gateshead
- Ikon Services Ltd - Milton Keynes
- Ilford Chrome & Prosthetics Ltd - Ilford
- Illumiglow Ltd - Salisbury
- Ilmvac (U K) Ltd - Hassocks
- Immunobiology Ltd. - Cambridge
- Imotech Medical Ltd - Lydney
- Impact Furniture Services - Ulverston
- Impact Inkjet & Toner Recycler Ltd - Rochester
- Impress North East Ltd - Blaydon on Tyne
- INCON (Inspection Consultants) Ltd - Ellesmere Port
- Incus Surgical Ltd. - Braintree
- Indasol Industrial Adhesive Solutions Ltd - Coventry
- Independent Beauty Consultant - Sheffield
- Independent Chemist Supplies Ltd - New Malden
- Independent Hair & Beauty Supplies - Newport
- Independent Living Mobility Ltd - London
- Independent Polymer Technology Ltd - Telford
- Inditherm (Medical) Ltd. - Rotherham
- Inductoheat Europe Ltd - Basingstoke
- Industria Bearings and Transmissions Ltd - Uxbridge
- Industrial Electronic Wiring Ltd - Swindon
- Industrial First Aid Supplies - High Wycombe
- Industrial Medical Supplies (Lutterworth) Ltd - Lutterworth
- Inert Recycling (Uk) Ltd - Eastleigh
- Infinitt Uk Ltd - Bracknell
- Infinity Oils - Renfrew
- Ingrams Hearing Aids (Coventry) - Coventry
- Ingrams Hearing Aids (Kingston upon Thames) - Kingston upon Thames
- Ingrams Sietech - Newcastle upon Tyne
- Inidam Ltd - Romsey
- Ink Xpress (Warwickshire) Ltd - Warwick
- Innova Design and Build Ltd - Emsworth
- Innovation Rehab Ltd - Bristol
- Innovative Solutions (UK) Ltd - Rochdale
- Inspection Optics Ltd. - Frome
- Inspired Recruitment Ltd (Northern) - Cheadle (Cheshire)
- Instrumentation Laboratory (U K) Ltd. - Warrington
- Intas Pharmaceuticals Ltd - Harrow
- Intelligent Clothing Ltd. - Robertsbridge
- Intelligent Orthopaedics Ltd - Stoke on Trent
- Inter-Medics Ltd - London
- Intergrated Pharmaceutical Services - West Molesey
- Interlink Scientific Services Ltd. - Dartford
- Intermark Medical Innovations Ltd - Bromley
- Intermedical (Uk) Ltd - Aylesford
- International Diagnostics Group Ltd - Bury
- International Eyewear Ltd. - Halesowen
- International Medication Systems (U K ) Ltd - Dunstable
- International Scientific Supplies Ltd - Bradford
- Interpharm Ltd - London
- Interplant Ireland - Newry
- Interport Ltd. - Croydon
- Intersurgical Ltd. - Wokingham
- Interturbine Logistik Ltd - Huntingdon
- Introdent Ltd. - Wigan
- Invitrogen Ltd. - Renfrew
- Ipsen Biopharm Ltd. - Slough
- Ipsen Ltd - Slough
- Isca UK Ltd - Newport (Gwent)
- Island Mobility Ltd - Newport
- It Asset Disposal Ltd - Port Talbot
- It Has 2 Be Done Ltd - Swadlincote
- IT Planning - Banstead
- ITM Components Ltd - Wimborne
- Its Designs Ltd - Leicester
- Ivor Shaw Ltd - Derby
- Iwms Ltd - Northampton
- Ixl Pharma Ltd - Market Harborough