Carrier profile · USDOT 493762 · MC-255487 · Updated Jun 13, 2026
Davidson Oil & Supply Inc
DBA SWT
11 power unitsANDERSON, MO50/100
CARRIER INACTIVEMC-255487 INACTIVEHAZMAT
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- Inactive
- Contract
- Inactive
- Broker
- None
Insurance & bonds
BIPD filing (census)Not recorded per census
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance continuity· insurer · policy · lapses
$1M BIPD last filed ’08 · 2 insurers · 0 lapsesContinuous
beyond this history
1993200220112020now
Shorter eras are too brief to label at this scale — all 3 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.
All 3 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| FEDERATED MUTUAL INSURANCE CO. | Mar 2001 → Mar 2008 | $1M | 2 |
| WESTPORT INSURANCE CORPORATION | Mar 1999 → Mar 2001 | $1M | 2 |
| FEDERATED MUTUAL INSURANCE CO. | Mar 1993 → Jun 1999 | $1M | 5 |