| Unit |
On 07.12.1941 |
| Command |
Location |
| 1st Chemical Service Company (Aviation) |
First Air Force |
Mitchel Field, Hempstead, Long Island, New York |
| 2nd Chemical Service Company (Aviation) |
Third Air Force |
Fort George Wright, Spokane, Wash. |
| 3rd Chemical Service Company (Aviation) |
Fourth Air Force |
N.G. Armory, Tampa, Fla. |
| 4th Chemical Service Company (Aviation) |
Second Air Force |
March Field, Riverside, Calif. |
| 5th Chemical Service Company (Aviation) |
Hawaiian Air Force |
Hickam Field, Oahu, Hawaii |
| 6th Chemical Service Company (Aviation) |
Caribbean Air Force |
Albrook Field, Panama, Canal Zone |
| 7th Chemical Service Company (Aviation) |
Air Force, USAFFE |
Nichols Field, Pasay, Luzon, Philippine Islands |
