Carrier profile · USDOT 59128 · MC-63613 · Updated Jun 13, 2026
Sandercock Transfer Company
4 power unitsSAN LUIS OBISPO, CA50/100
CARRIER INACTIVEMC-63613 INACTIVEUNDELIVERABLE ADDRESS
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
- None
- 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
$750K BIPD last filed ’23 · 6 insurers · 0 lapsesInsurer churn
Transguard America’04–’23
1988199820082018now
Shorter eras are too brief to label at this scale — all 6 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 6 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| TRANSGUARD INSURANCE COMPANY OF AMERICA INC. | May 2004 → May 2023 | $750K | 2 |
| SAFEGUARD INSURANCE CO. | May 2003 → May 2004 | $750K | 1 |
| SECURITY INSURANCE CO. OF HARTFORD | May 1999 → Jul 2003 | $750K | 2 |
| WESTPORT INSURANCE CORPORATION | Feb 1999 → May 1999 | $750K | 2 |
| COREGIS INSURANCE COMPANY | Feb 1996 → Apr 1999 | $750K | 2 |
| CALIFORNIA INSURANCE COMPANY | Feb 1988 → Feb 1996 | $750K | 3 |