- IEP Financial - 119 Church Road, Brighton Hove, East Sussex, BN3 2AF
- Ieuan Evans & Son - Troed Y Rhiw, Llandeilo, Sir Gaerfyrddin, SA19 6RS
- IEW Ltd - Unit 10, Swindon, Wiltshire, SN2 8UU
- IEWC UK & Ireland Ltd - Unit 3, Weston-super-Mare, Somerset, BS23 3YH
- iFacility - Quarry Way Business Park, Shepton Mallet, Somerset, BA4 4RN
- IFC Inflow - Unit3, Basildon, Essex, SS13 1QH
- ifm electronic Ltd - Efector House, Hampton, Middlesex, TW12 2HD
- IForce Ltd - Unit 4, Birmingham, West Midlands, B81JW
- IG Smart Ltd - 20-22 Wenlock Road, London, N1 7TA
- IGC Engineering Ltd - 249 Preston Road, Chorley, Lancashire, PR7 5DS
- Iggesund - Siddick Road, Workington, Cumbria, CA14 1JX
- IGI - 29 St. Stephens Road, Cheltenham, Gloucestershire, GL51 3AB
- I-Glaze Limited - 120, Portsmouth, Hampshire, PO20NB
- Igloo - Unit 2 Craven Court, Craven Arms, Shropshire, SY7 8PF
- Igloos Washrooms - Cherry Park, Stevenage, Herefordshire, SG2 7AH
Companies 406 to 420 | Page 28 of 122