Carrier profile · USDOT 1158981 · MC-487349 · Updated Jun 13, 2026
Castle Mountain Transport LLC
1 power unitLocal · 2 statesWHITE SULPHUR SPRINGS, MT50/100
CARRIER ACTIVEMC-487349 ACTIVE
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
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability$750,000 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
$750K in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’25 · 6 insurers · 1 lapseCoverage lapse
Northland’15–’22
2004201020162022now
Shorter eras are too brief to label at this scale — all 9 insurers are named in the list below.
BIPD in force — $750,000 · NORTHLAND INSURANCE COMPANY · since Feb 2025
All 9 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NORTHLAND INSURANCE COMPANY | Jul 2024 → Mar 2025 | $750K | 6 |
| WILSHIRE INSURANCE COMPANY | Jul 2023 → Jul 2024 | $750K | 3 |
| SENTRY SELECT INSURANCE COMPANY | Jul 2022 → Jul 2023 | $750K | 1 |
| NORTHLAND INSURANCE COMPANY | Jul 2015 → Aug 2022 | $750K | 4 |
| NATIONAL CASUALTY COMPANY | Jul 2013 → Jul 2015 | $750K | 1 |
| CANAL INSURANCE CO. | Jul 2012 → Jul 2013 | $750K | 1 |
| NORTHLAND INSURANCE COMPANY | Jul 2008 → Jul 2008 | $750K | 2 |
| GREAT WEST CASUALTY CO. | Jul 2005 → Jul 2008 | $750K | 1 |
| NORTHLAND INSURANCE COMPANY | Apr 2004 → Apr 2005 | $750K | 1 |