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

Diamond B Oilfield Trucking Inc

47 power unitsPLENTYWOOD, MT80/100

CARRIER ACTIVEMC-333812 ACTIVEHAZMAT

Observed fleet · trailing 24 mo daily

47Power units

Self-reported · MCS-150

—Trailers seen

None observed · 24 mo

—Avg age (yr)

Not yet decoded

Call dispatch(406) 765-1376 Email dispatchlseverson@diamondb.us

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Watch · 2

No inspection history despite active fleetAn established carrier reporting 47 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 3.9 years old; fleet/mileage figures may be unreliable.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 28 yearsOperating authority has been on file since 1998.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Asset-based

47 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

28 yr unchanged

Same registration since 1998 — no chameleon / reincarnation signal.

Safety

Roadside inspections, BASICs & crash history

Out-of-service rate· 24-mo cumulative

No roadside inspections on record.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

No roadside inspections on the FMCSA record in this window

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

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

Great West’06–’22

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

Insurer	Period	Limit	Renewals
EVERSPAN INDEMNITY INSURANCE COMPANY	Jan 2024 → Jan 2025	$1M	1
TRISURA SPECIALTY INSURANCE COMPANY	Jan 2023 → Jan 2024	$1M	1
GREAT WEST CASUALTY CO.	Jan 2022 → Jan 2022	$1M	2
TRISURA SPECIALTY INSURANCE COMPANY	Jan 2022 → Jan 2022	$1M	6
ENDURANCE AMERICAN SPECIALTY INSURANCE CO	Jan 2021 → Jan 2022	$1M	1
GEMINI INSURANCE COMPANY	Jan 2020 → Jan 2022	$1M	2
ENDURANCE AMERICAN SPECIALTY INSURANCE CO	Jan 2020 → Jan 2021	$1M	1
GEMINI INSURANCE COMPANY	Jan 2020 → Jan 2021	$1M	1
ENDURANCE AMERICAN SPECIALTY INSURANCE CO	Jan 2019 → Jan 2020	$1M	1
ASPEN SPECIALTY INSURANCE COMPANY	Jan 2019 → Feb 2019	$1M	4
GREAT WEST CASUALTY CO.	Jan 2006 → Jan 2022	$1M	1
GREAT WEST CASUALTY CO.	Feb 1998 → Feb 1998	$1M	2

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 47
Observed power (24 mo): —
Trailers (towed): —

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density · 24 mo

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

PLENTYWOOD, MT

212 WEST CACTUS STREET

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Shares a registration email domain with other carriers

@diamondb.us — 2 carriers: USDOT 782395

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 212 WEST CACTUS STREET, PLENTYWOOD, MT, 59254
Mailing address: P O BOX 567, PLENTYWOOD, MT, 59254
Operation: Interstate· Hazmat

Contact

Phone: (406) 765-1376
Fax: (406) 765-2322
Email: lseverson@diamondb.us
Web domain: diamondb.us

Registration

Officers: Stephen C. Bowman · Stephen C. Bowman
USDOT / docket: 729417 · MC-333812
First registered: Feb 11, 1998
Last MCS-150: Aug 30, 2022 · 458,970 mi (2021)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

458,970

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

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.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for DIAMOND B OILFIELD TRUCKING INC.

DIAMOND B OILFIELD TRUCKING INC (USDOT 729417) has a Vektor safety score of 80/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from GREAT WEST CASUALTY CO. effective Jan 1, 2022 in FMCSA L&I's current snapshot as of Jun 13, 2026.

The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 0 reportable crashes in the last 24 months and 2 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 47 power units and 51 drivers in its most recent MCS-150 filing dated Aug 30, 2022.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Frequently asked

What is DIAMOND B OILFIELD TRUCKING INC's USDOT number?

DIAMOND B OILFIELD TRUCKING INC's USDOT number is 729417, and its motor carrier number is MC-333812.

Is DIAMOND B OILFIELD TRUCKING INC authorized to operate?

As of Jun 13, 2026, DIAMOND B OILFIELD TRUCKING INC is inactive in the FMCSA register with common, contract, broker operating authority on file.

How big is DIAMOND B OILFIELD TRUCKING INC's fleet?

DIAMOND B OILFIELD TRUCKING INC operates 47 power units and 51 drivers per its most recent MCS-150 filing.

Where is DIAMOND B OILFIELD TRUCKING INC based?

DIAMOND B OILFIELD TRUCKING INC is based in PLENTYWOOD, MT.

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