Carrier profile · USDOT 30728 · MC-477866 · Updated Jun 13, 2026
TRANSFORMER SERVICE INC
DBA T S I
4 power unitsLocal · 1 statesCONCORD, NH50/100
CARRIER ACTIVEMC-477866 ACTIVERATED SATISFACTORYHAZMAT
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$4,000,000 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
$4M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$1M BIPD last filed ’22 · 7 insurers · 1 lapseCoverage lapse
beyond this history
2003200920152021now
Shorter eras are too brief to label at this scale — all 11 insurers are named in the list below.
BIPD in force — $4,000,000 · NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA · since Jan 2006
All 11 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| GREAT DIVIDE INSURANCE COMPANY | Jun 2018 → Jun 2022 | $1M | 1 |
| HDI GLOBAL INSURANCE COMPANY | Jun 2016 → Jun 2018 | $1M | 1 |
| HDI-GERLING AMERICAN INSURANCE COMPANY | Jun 2012 → Jun 2016 | $1M | 3 |
| ARBELLA PROTECTION INSURANCE COMPANY | Nov 2009 → Jun 2012 | $1M | 1 |
| ARBELLA PROTECTION INSURANCE COMPANY | Jun 2009 → Jun 2009 | $1M | 1 |
| STATE NATIONAL INSURANCE CO., INC. | Jun 2009 → Sep 2009 | $1M | 1 |
| ARBELLA PROTECTION INSURANCE COMPANY | Jun 2009 → Sep 2009 | $1M | 1 |
| STATE NATIONAL INSURANCE CO., INC. | Jun 2009 → Sep 2009 | $1M | 2 |
| ARBELLA PROTECTION INSURANCE COMPANY | Jan 2009 → Jul 2009 | $1M | 2 |
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Jan 2006 → Jan 2009 | $1M | 2 |
| AMERICAN HOME ASSURANCE CO. | Feb 2003 → Jan 2006 | $1M | 1 |