- Ibstock - 6 companies
- Ickenham - 2 companies
- Iford - 1 company
- Ilford - 38 companies
- Ilfracombe - 5 companies
- Ilkeston - 43 companies
- Ilkeston Derbyshire - 1 company
- Ilkley - 11 companies
- Illford - 1 company
- Illinois - 1 company
- Illkley - 1 company
- Ilminster - 6 companies
- Ilton - 1 company
- Immingham - 2 companies
- Inchinnan - 1 company
- Inchinnan Renfrewshire - 1 company
- Independence - 1 company
- Ingatestone - 13 companies
- Ingleby Barwick - 1 company
- Ingliston - 1 company
- Ingolstatd - 1 company
- Innerleithen - 1 company
- Insch - 1 company
- Inverkeithing - 5 companies
- Inverness - 17 companies
- INVERNESS SHIRE - 1 company
- INVERURIE - 12 companies
- Ipplepen - 1 company
- Ipswich - 153 companies
- Ipswich Suffolk - 1 company
- Ipswich, - 1 company
- Irchesater - 1 company
- Irchester - 1 company
- Ireland - 1 company
- Irlam - 2 companies
- Ironbridge - 1 company
- Irvine - 13 companies
- Irving Way - 1 company
- Isle Of Bute - 1 company
- Isle Of Lewis - 1 company
- Isle of Man - 20 companies
- Isle of Mull - 2 companies
- Isle of Skye - 1 company
- Isle of Wight - 14 companies
- Isle of Wight · - 1 company
Towns 1 to 45 | Page 1 of 2
