Carrier profile · USDOT 729417 · MC-333812 · Updated Jun 13, 2026

Diamond B Oilfield Trucking Inc

47 power unitsPLENTYWOOD, MT80/100
CARRIER ACTIVEMC-333812 ACTIVEHAZMAT
Verified linksdiamondb.usFMCSA SAFER

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
Active

Insurance & bonds

BIPD / liability$1,000,000 in force
Cargo filing (census)Recorded per census
Surety bond (census)Recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$1M in forcegeneral-freight federal minimum
$750K floor

Filed BIPD coverage of $1M meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$1M BIPD last filed ’25 · 6 insurers · 2 lapsesCoverage lapse
1998200520122019now

Shorter eras are too brief to label at this scale — all 12 insurers are named in the list below.

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Jan 2022

All 12 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
EVERSPAN INDEMNITY INSURANCE COMPANYJan 2024 → Jan 2025$1M1
TRISURA SPECIALTY INSURANCE COMPANYJan 2023 → Jan 2024$1M1
GREAT WEST CASUALTY CO.Jan 2022 → Jan 2022$1M2
TRISURA SPECIALTY INSURANCE COMPANYJan 2022 → Jan 2022$1M6
ENDURANCE AMERICAN SPECIALTY INSURANCE COJan 2021 → Jan 2022$1M1
GEMINI INSURANCE COMPANYJan 2020 → Jan 2022$1M2
ENDURANCE AMERICAN SPECIALTY INSURANCE COJan 2020 → Jan 2021$1M1
GEMINI INSURANCE COMPANYJan 2020 → Jan 2021$1M1
ENDURANCE AMERICAN SPECIALTY INSURANCE COJan 2019 → Jan 2020$1M1
ASPEN SPECIALTY INSURANCE COMPANYJan 2019 → Feb 2019$1M4
GREAT WEST CASUALTY CO.Jan 2006 → Jan 2022$1M1
GREAT WEST CASUALTY CO.Feb 1998 → Feb 1998$1M2