Carrier profile · USDOT 512728 · MC-215104 · Updated Jun 13, 2026
Porter's Diesel Service Inc
3 power unitsWINCHESTER, NH50/100
CARRIER ACTIVEMC-215104 ACTIVEHAZMAT
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
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability$1,000,000 in force
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$1M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$1M BIPD last filed ’25 · 6 insurers · 2 lapsesCoverage lapse
1993200220112020now
Shorter eras are too brief to label at this scale — all 8 insurers are named in the list below.
BIPD in force — $1,000,000 · UNION INSURANCE CO. · since Oct 2025
All 8 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| DONEGAL MUTUAL INSURANCE COMPANY | Oct 2024 → Oct 2025 | $1M | 1 |
| THE PENINSULA INSURANCE COMPANY | Oct 2020 → Oct 2024 | $1M | 2 |
| ACADIA INSURANCE COMPANY | Jul 2011 → Sep 2011 | $1M | 5 |
| UNION INSURANCE CO. | Mar 2009 → Jul 2011 | $1M | 1 |
| ACADIA INSURANCE COMPANY | Oct 2003 → Mar 2009 | $1M | 1 |
| ACADIA INSURANCE COMPANY | Oct 1997 → Oct 1997 | $1M | 1 |
| AMERICAN AUTOMOBILE INSURANCE COMPANY | Oct 1997 → Oct 2003 | $1M | 1 |
| ONEBEACON AMERICA INSURANCE COMPANY | Oct 1993 → Oct 1997 | $1M | 1 |