Duncan & Son Lines Inc
Duncan & Son Lines Inc (USDOT 44035) runs 259 power units and 231 drivers based in Buckeye, AZ, with active operating authority as a motor carrier of property under MC-144606. The earliest grant on file is from January 1979, 47 years, 9 months ago. $1,000,000 of liability coverage is on file with National Interstate Insurance Company. 1 other active carrier lists the same physical address.
Operating authority
| Docket | Authority | Status | Insurance required | On file |
|---|---|---|---|---|
| MC-144606 | Motor carrier of property | Active | $750,000 liability, bond | $1,000,000 liability |
| MC-144606 | Broker | Inactive | $750,000 liability, bond | $1,000,000 liability |
Earliest grant on file: Jan 17, 1979 (47 years, 9 months ago).
Insurance and bonds on file
| Type | Insurer | Coverage | Effective | Cancellation |
|---|---|---|---|---|
| Liability (BIPD) · form 91X | National Interstate Insurance Company | $1,000,000 | Sep 15, 2021 | — |
Confirm coverage with the insurer before tendering a load.
Authority history
| Date | Docket | Action |
|---|---|---|
| Sep 21, 2021 | MC-144606 | Involuntary revocation · contract carrier |
| Sep 21, 2021 | MC-144606 | Involuntary revocation · common carrier |
| Sep 17, 2021 | MC-144606 | Discontinued revocation · contract carrier |
| Sep 17, 2021 | MC-144606 | Discontinued revocation · common carrier |
| May 22, 2013 | MC-144606 | Revoked · broker |
| Sep 5, 2006 | MC-144606 | Discontinued revocation · contract carrier |
| Sep 5, 2006 | MC-144606 | Discontinued revocation · common carrier |
| Aug 7, 2006 | MC-144606 | Involuntary revocation · contract carrier |
| Aug 7, 2006 | MC-144606 | Involuntary revocation · common carrier |
| Jul 18, 2006 | MC-144606 | Discontinued revocation · contract carrier |
| Jul 18, 2006 | MC-144606 | Discontinued revocation · common carrier |
| Jul 17, 2006 | MC-144606 | Involuntary revocation · contract carrier |
| Jul 17, 2006 | MC-144606 | Involuntary revocation · common carrier |
| Sep 8, 2005 | MC-144606 | Reinstated · motor carrier of property |
| Sep 7, 2005 | MC-144606 | Revoked · motor carrier of property |
| Mar 16, 2005 | MC-144606 | Reinstated · motor carrier of property |
| Mar 7, 2005 | MC-144606 | Revoked · motor carrier of property |
| Sep 2, 2004 | MC-144606 | Discontinued revocation · contract carrier |
| Sep 2, 2004 | MC-144606 | Discontinued revocation · common carrier |
| Aug 5, 2004 | MC-144606 | Involuntary revocation · contract carrier |
| Aug 5, 2004 | MC-144606 | Involuntary revocation · common carrier |
| Mar 26, 2004 | MC-144606 | Discontinued revocation · common carrier |
| Mar 15, 2004 | MC-144606 | Involuntary revocation · common carrier |
| Nov 3, 2003 | MC-144606 | Discontinued revocation · common carrier |
| Sep 26, 2003 | MC-144606 | Involuntary revocation · common carrier |
| Oct 25, 1995 | MC-144606 | Discontinued revocation · contract carrier |
| Oct 25, 1995 | MC-144606 | Discontinued revocation · common carrier |
| Sep 3, 1995 | MC-144606 | Involuntary revocation · contract carrier |
| Sep 3, 1995 | MC-144606 | Involuntary revocation · common carrier |
| Jun 24, 1991 | MC-144606 | Discontinued revocation · broker |
| Apr 25, 1991 | MC-144606 | Involuntary revocation · broker |
| Oct 16, 1987 | MC-144606 | Discontinued revocation · contract carrier |
| Oct 14, 1987 | MC-144606 | Discontinued revocation · common carrier |
| Sep 14, 1987 | MC-144606 | Involuntary revocation · contract carrier |
| Sep 14, 1987 | MC-144606 | Involuntary revocation · common carrier |
| Jun 19, 1986 | MC-144606 | Granted · motor carrier of property |
| Feb 28, 1986 | MC-144606 | Granted · broker |
| Jul 31, 1984 | MC-144606 | Revoked · motor carrier of property |
| Jul 11, 1984 | MC-144606 | Granted · motor carrier of property |
| Jul 22, 1983 | MC-144606 | Granted · motor carrier of property |
Revocations
| Docket | Authority | Order served | Effective |
|---|---|---|---|
| MC-144606 | Broker | Apr 19, 2013 | May 22, 2013 · involuntary revocation |
| MC-144606 | Common | Aug 5, 2005 | Sep 7, 2005 · involuntary revocation |
| MC-144606 | Contract | Aug 5, 2005 | Sep 7, 2005 · involuntary revocation |
| MC-144606 | Common | Feb 2, 2005 | Mar 7, 2005 · involuntary revocation |
Registration
| USDOT number | 44035 |
|---|---|
| USDOT status | Active |
| Dockets | MC-144606 |
| Legal name | Duncan & Son Lines Inc |
| Operation | Interstate |
| Classification | Authorized for hire |
| Business type | Corporation |
| Location | Buckeye, Arizona 85326 |
| USDOT added | Jun 1, 1974 |
| Last MCS-150 update | Feb 10, 2026 |
| Safety rating | Satisfactory · Oct 13, 2010 |
| Hazardous materials | Yes |
Fleet
| Power units | 259 |
|---|---|
| Trucks | 259 |
| Drivers | 231 · 231 with a CDL |
| Annual miles | 23,801,483 · 2025 |
Cargo carried
General freight, Metal: sheets, coils, rolls, Building materials, Machinery, large objects, Intermodal containers, Grain, feed, hay, Meat, Chemicals, Refrigerated food, Paper products, Construction, scrap metal
Other records
- 1 other active carrier lists the same physical address. Shared addresses are common for fleets, terminals and filing agents; they are one input to a vetting decision, not a finding.
Check it yourself
- FMCSA SAFER Company Snapshot
- FMCSA SMS (inspection and crash measures)
- Check a list of carriers at once
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Data as of Nov 12, 2026. Sources
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