| Business | Founded | Contacts |
|---|---|---|
| Interserve Industrial Services Limited | 1947 | 39 |
| How Engineering Services Limited | 1962 | 41 |
| T.H.K. Insulation Limited | 1983 | 21 |
| Interserve Security (Fire & Electronics) Limited | 1988 | 18 |
| Maclellan Limited | 2001 | 45 |
| 3 I A P Tech G P Ltd | - | - |
| 3 I E F 3 G P B Ltd | - | - |
| 3 I Nippon Ltd | - | - |
| bgb communications LTD, Colorado Authority Relinquished August | 2010 | 19 |
| 3i | - | 20 |
| Opfermann Arzneimittel Gmbh | - | 3 |
| Thumbs Up productions Ltd | - | 1 |
| 3I Europe General Partner Limited | - | 4 |
| Brave P R Limited | - | 2 |
| Climate Services Limited | - | 1 |
| Column Technologies (UK) Ltd | - | - |
| Interserve (Defence) LTD | - | 4 |
| Renewable Energy Association | - | 1 |
| letsrecycle.com | - | 1 |
| Oakmore Investment Partners | - | - |
| Chiro London | - | - |
| Ellinor D'Melon | - | - |
| 3 I Europartners Ii G P Ltd | - | - |
| 3i Iberica de Inversiones Industriales SA | - | - |
| Seaco Services Limited | - | - |
| See more details on www.addresshistory.co.uk | ||