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
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 74 REGIONAL DRIVE, CONCORD, NH, 03301-8508
- Operation
- Interstate· Hazmat
Contact
- Phone
- (603) 224-4006
- Fax
- (603) 228-2430
- Web domain
- transformer-svc.com
Registration
- Officers
- Stephen Booth · David Booth
- USDOT / docket
- 30728 · MC-477866
- First registered
- Jun 1, 1974
- Last MCS-150
- Aug 26, 2024 · 36,500 mi (2023)
- FMCSA safety rating
- Satisfactory · Dec 19, 2011
- D-U-N-S
- 18902874
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.