| |
| 3M |
4955 |
| AGC Chemicals Americas, Inc. |
1975 |
| Aker Kvaerner - Oil, Gas & Process International |
1125 |
| Alchemia Italia |
3301 |
| Apex Engineering Products Corporation |
3702 |
| ARTA Technologies |
1264 |
| B.G. Technical Ltd. |
4773 |
| B&R Industries, Inc. |
5809 |
| Belzona Inc. |
5475 |
| BJ Chemical Services |
5527 |
| Black Earth Humates Ltd. |
1577 |
| Ciscon Nigeria Ltd |
4773 |
| Craig International Supplies |
2450 |
| EEEGR (East of England Energy Group) |
2644 |
| Engineering Dynamics, Inc. |
3701 |
| Fike Corporation |
1171 |
| Halliburton Energy Services Group |
3317 |
| Jet Lube Inc |
4217 |
| KEM-TRON Technologies, Inc. |
1317 |
| Maritech AB |
2805 |
| Moss Seal Company |
4233 |
| MCT Brattberg |
2808 |
| Offshore Northern Seas |
4441 |
| OFI Testing Equipment, Inc. |
4403 |
| Oil Center Research International, LLC |
3521 |
| PEPCON Systems |
3975 |
| Pipeline Pigging Products |
4773 |
| Separation Specialists, Inc. |
1910 |
| Severn Trent DeNora |
2227 |
| Southwest Research Institute |
3634 |
| Specialty Drilling Fluids Limited |
4773 |
| TFE Company, Inc. |
5809 |
