Carrier profile · USDOT 682066 · MC-317503 · Updated Jun 13, 2026
Cornerstone Transport Inc
4 power unitsSILVER SPRINGS, FL50/100
CARRIER INACTIVEMC-317503 INACTIVERATED UNSATISFACTORY
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
- None
- 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
$750K BIPD last filed ’02 · 7 insurers · 1 lapseCoverage lapse
beyond this history
1997200520132021now
Shorter eras are too brief to label at this scale — all 7 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 7 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| CANAL INSURANCE CO. | Jan 2002 → Apr 2002 | $750K | 3 |
| BANKERS INSURANCE COMPANY | Feb 2000 → Oct 2000 | $750K | 4 |
| FRONTIER INSURANCE COMPANY | Jul 1999 → Nov 1999 | $750K | 1 |
| CLARENDON NATIONAL INS. CO. | Feb 1999 → May 1999 | $750K | 1 |
| GENERAL SECURITY INSURANCE COMPANY | Jun 1998 → Nov 1998 | $750K | 5 |
| FIRE & CASUALTY INSURANCE CO. OF CONNECTICUT | Mar 1998 → Jun 1998 | $750K | 1 |
| EMPIRE FIRE & MARINE INSURANCE CO. | Apr 1997 → Feb 1998 | $750K | 1 |