Carrier profile · USDOT 188764 · MC-420990 · Updated Jun 13, 2026
OSTERMAN PROPANE LLC
DBA DOWNEAST ENERGY
15 power unitsBRUNSWICK, ME50/100
CARRIER INACTIVEMC-420990 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
- 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
$5M BIPD last filed ’16 · 8 insurers · 0 lapsesInsurer churn
beyond this history
2001200820152022now
Shorter eras are too brief to label at this scale — all 9 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 9 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| HDI-GERLING AMERICAN INSURANCE COMPANY | Oct 2011 → Oct 2016 | $5M | 1 |
| NATIONAL INTERSTATE INSURANCE COMPANY | Oct 2010 → Oct 2011 | $5M | 1 |
| NAVIGATORS INSURANCE COMPANY | Oct 2010 → Mar 2015 | $5M | 1 |
| EVEREST NATIONAL INSURANCE COMPANY | Oct 2008 → Oct 2010 | $5M | 2 |
| PRAETORIAN INSURANCE COMPANY | Oct 2006 → Oct 2008 | $5M | 2 |
| ONEBEACON AMERICA INSURANCE COMPANY | Oct 2006 → Oct 2010 | $5M | 1 |
| THE NORTHERN ASSURANCE COMPANY OF AMERICA | Oct 2001 → Oct 2006 | $5M | 1 |
| WESTCHESTER FIRE INSURANCE COMPANY | Oct 2001 → Oct 2006 | $5M | 1 |
| THE NORTHERN ASSURANCE COMPANY OF AMERICA | Oct 2001 → Oct 2001 | $5M | 1 |