Carrier profile · USDOT 1517935 · MC-689093 · Updated Sep 6, 2026
John Chamberlin
DBA CHAMBERLIN MATERIALS
3 power unitsDENTON, TX50/100
CARRIER INACTIVEMC-689093 INACTIVE
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 ’22 · 6 insurers · 1 lapseCoverage lapse
Carolina’12–’18
beyond this history
2010201420182022now
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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 |
|---|---|---|---|
| PROGRESSIVE COUNTY MUTUAL | Jun 2020 → Oct 2022 | $750K | 2 |
| CANAL INSURANCE CO. | Oct 2018 → Jun 2020 | $750K | 1 |
| CAROLINA CASUALTY INSURANCE CO. | Oct 2012 → Oct 2018 | $750K | 6 |
| GRAMERCY INSURANCE COMPANY | Jan 2012 → Oct 2012 | $750K | 2 |
| SOUTHERN INSURANCE COMPANY | Oct 2011 → Jan 2012 | $750K | 1 |
| GRAMERCY INSURANCE COMPANY | Oct 2010 → Oct 2011 | $750K | 5 |
| FEDERAL MOTOR CARRIERS RISK RETENTION GROUP | Feb 2010 → May 2010 | $750K | 2 |