Exhibit 21.1
EXHIBIT 21.1 PRINCIPAL SUBSIDIARIES OF THE REGISTRANT
| Innospec Active Chemicals LLC (USA) |
| Innospec Deutschland GmbH (Germany) |
| Innospec Finance Limited (U.K.) |
| Innospec France SA (France) |
| Innospec Fuel Specialties LLC (USA) |
| Innospec Holdings Limited (U.K.) |
| Innospec International Limited (U.K.) |
| Innospec Trading Limited (U.K.) |
| Innospec Developments Limited (U.K.) |
| Innospec Leuna GmbH (Germany) |
| Innospec Limited (U.K.) |
| Innospec Oil Field Chemicals LLC (USA) |
| Innospec International Holdings LLC (USA) |
| Independence Oilfield Chemicals LLC (USA) |
| Innospec Performance Chemicals Europe Limited (U.K.) |
| Innospec Performance Chemicals Spain S.L. (Spain) |
| Innospec Performance Chemicals Italia s.r.l (Italy) |
| Innospec Saint-Mihiel SAS (France) |
| Innospec Canada Limited (Canada) |
| Bachman Services, Inc. (USA) |
| BioSuite LLC (USA) |
| Innospec Strata Holdings, LLC (USA) |
| Strata Control Services, Inc. (USA) |
| Chemsil Silicones, Inc. (USA) |
| Chemtec Chemical Co. (USA) |
| Innospec Russ OOO (Russia) |
| Innospec Chemicals Beijing Limited (China) |
| Innospec Do Brasil Limited (Brazil) |