- Hackbridge - 1 company
- Hackensack - 1 company
- Hackettstown - 1 company
- Haddington - 7 companies
- Hadfield - 1 company
- Hadleigh - 3 companies
- Hadlow - 2 companies
- Hadlow Down - 1 company
- Hailsham - 51 companies
- Hainault - 3 companies
- Halbeath - 1 company
- Hale - 1 company
- Halesfield 9 - 1 company
- Halesowen - 102 companies
- Halesworth - 15 companies
- Halifax - 121 companies
- Halkirk - 1 company
- Hallen - 1 company
- Hallgreen - 1 company
- Halsall - 1 company
- Halstead - 31 companies
- Haltwhistle - 6 companies
- Hamberg - 1 company
- Hamilton - 29 companies
- Hamilton Technology Park - 1 company
- Hamilton Way - 1 company
- Hammersmith - 2 companies
- Hampshie - 1 company
- Hampshire - 171 companies
- Hampton - 20 companies
- Hampton Court - 1 company
- Handcross - 1 company
- Handsworth - 1 company
- Hanham - 2 companies
- Hanley Swan - 1 company
- Hannington - 3 companies
- Hants - 24 companies
- Hanwell - 2 companies
- Hanworth - 3 companies
- Harbury - 1 company
- Hard Ings Road - 1 company
- Harefield - 3 companies
- Harleston - 9 companies
- Harlow - 126 companies
- Harlow Essex - 1 company
Towns 1 to 45 | Page 1 of 6
