Calamco
USDOT 921750MC-1393597USDOT activeAuthority active· Stockton, CA
Calamco (USDOT 921750) holds active operating authority as a motor carrier of property under MC-1393597 based in Stockton, CA. The earliest grant on file is from April 2022, 4 years, 7 months ago. $3,000,000 of liability coverage is on file with Admiral Insurance Company. It reported 17 power units and 21 drivers on its last MCS-150 update (October 2025).
Operating authority
| Docket | Authority | Status | Insurance required | On file |
|---|---|---|---|---|
| MC-1393597 | Motor carrier of property | Active | $5,000,000 liability | $5,000,000 liability |
Earliest grant on file: Apr 4, 2022 (4 years, 7 months ago).
Insurance and bonds on file
| Type | Insurer | Coverage | Effective | Cancellation |
|---|---|---|---|---|
| Liability (BIPD) · form 91X | Admiral Insurance Company | $3,000,000 | May 1, 2025 | — |
| Liability (BIPD) · form 91X | Old Republic Insurance Company | $2,000,000 | May 1, 2021 | — |
Confirm coverage with the insurer before tendering a load.
Authority history
| Date | Docket | Action |
|---|---|---|
| Apr 27, 2026 | MC-1393597 | Reinstated · motor carrier of property |
| Apr 6, 2026 | MC-1393597 | Revoked · motor carrier of property |
| Apr 4, 2022 | MC-1393597 | Granted · motor carrier of property |
Revocations
| Docket | Authority | Order served | Effective |
|---|---|---|---|
| MC-1393597 | Contract | Mar 4, 2026 | Apr 6, 2026 · involuntary revocation |
Registration
| USDOT number | 921750 |
|---|---|
| USDOT status | Active |
| MC number | MC-1393597 |
| Legal name | Calamco |
| Operation | Interstate |
| Classification | Private property, Authorized for hire |
| Location | Stockton, California 95207 |
| USDOT added | Dec 13, 2000 |
| Last MCS-150 update | Oct 21, 2025 |
| Safety rating | Satisfactory · Jan 14, 2010 |
| Hazardous materials | Yes |
Fleet
| Power units | 17 |
|---|---|
| Trucks | 17 |
| Drivers | 21 · 21 with a CDL |
| Annual miles | 720,300 · 2025 |
Cargo carried
General freight, Liquids/gases, Chemicals
Check it yourself
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Data as of Nov 14, 2026. Sources
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