Carrier profile · USDOT 826470 · MC-366946 · FMCSA profile data as of Aug 16, 2026

Diamond Bulk Transportation Inc

82 power unitsHOLLY HILL, SC50/100

CARRIER INACTIVEMC-366946 INACTIVE

Observed fleet · trailing 24 mo daily

82Power units

Self-reported · MCS-150

—Trailers seen

None observed · 24 mo

—Avg age (yr)

Not yet decoded

Call dispatch(803) 496-1500

Click to see how we scored it

Load decision · FMCSA profile data as of Aug 16, 2026

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Watch · 4

USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 82 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 19.3 years old; fleet/mileage figures may be unreliable.

In good standing · 1

Established 27 yearsOperating authority has been on file since 1999.

USDOT registration

yr registered

No active authority

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

USDOT registration

yr registered

No active authority

Insurance (BIPD)— unknown

No filing on record

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

82 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

27 yr unchanged

Same registration since 1999 — no chameleon / reincarnation signal.

Safety

Roadside inspections, BASICs & crash history

FMCSA safety data as of Sep 3, 2026

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

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Authority & Insurance

Can they legally + adequately haul your load?

FMCSA authority & insurance data as of Aug 16, 2026

Operating authority· 49 CFR · per type

Operating authority

Common: None
Contract: Inactive
Broker: None

Insurance & bonds

BIPD filing (census)Not recorded per census

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’09 · 1 insurer · 0 lapsesContinuous

Great West’99–’09

beyond this history

1999200620132020now

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

All 1 insurer era · dates, limits, renewals

Insurer	Period	Limit	Renewals
GREAT WEST CASUALTY CO.	Sep 1999 → Mar 2009	$750K	1

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Equipment

VIN-decoded · NHTSA vPIC

FMCSA equipment data as of Sep 10, 2026

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 82
Observed power (24 mo): —
Trailers (towed): —

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

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Operations & Lanes

Revealed by inspection density · 24 mo

FMCSA operations & lanes data as of Sep 17, 2026

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

Home base

HOLLY HILL, SC

469 BOYER RD

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

FMCSA network & fraud data as of Sep 3, 2026

Shares a company officer with other carriers

robert l williamson — 4 carriers: USDOT 893639 USDOT 1548714 USDOT 2007651

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

FMCSA identity & federal data as of Sep 3, 2026

Location

Physical address: 469 BOYER RD, HOLLY HILL, SC, 29059
Mailing address: PO BOX 580, HOLLY HILL, SC, 29059
Operation: Interstate

Contact

Phone: (803) 496-1500
Fax: (803) 496-1501
Email: —

Registration

Officers: Robert L Williamson · Victor Thomson
USDOT / docket: 826470 · MC-366946
First registered: Sep 3, 1999
Last MCS-150: Apr 26, 2007 · 3,910,515 mi (2005)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

3,910,515

Annual mileage

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Federal activity

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

FMCSA federal activity data as of Sep 3, 2026

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.

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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 BULK TRANSPORTATION INC.

DIAMOND BULK TRANSPORTATION INC (USDOT 826470) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Aug 16, 2026.

The carrier has no active for-hire operating authority per FMCSA L&I. FMCSA authority data as of Sep 3, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Aug 16, 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. FMCSA operations data as of Sep 17, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Sep 17, 2026.

It reports 82 power units and 82 drivers in its most recent MCS-150 filing dated Apr 26, 2007. FMCSA identity data as of Sep 3, 2026.

It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Sep 3, 2026.

Frequently asked

What is DIAMOND BULK TRANSPORTATION INC's USDOT number?

DIAMOND BULK TRANSPORTATION INC's USDOT number is 826470, and its motor carrier number is MC-366946.

Is DIAMOND BULK TRANSPORTATION INC authorized to operate?

FMCSA authority data as of Sep 3, 2026. DIAMOND BULK TRANSPORTATION INC is inactive in the FMCSA register with common, contract, broker operating authority on file.