| GSS 18400 | Cylindrical Grinding of Unplated and Chromium Plated Steel Parts | Miscellaneous |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90024581 | EMBEE PROCESSING LLC | CA | United States |
| 90050544 | Globe Grinding Corp | NY | United States |
| 90053973 | Heroux-Devtek Inc | Canada | |
| 90067995 | Waltz Brothers, Incorporated | IL | United States |