D&Y DIAMOND TRANSPORT LLC

USDOT 3513832

ActiveEstablished authority

Active, interstate carrier, single-truck operation (1 power unit) — no FMCSA safety rating on record (common).

USDOT3513832
MC NumberMC-1163980
Fleet1 power unit
Drivers2
Phone7863763709
LocationKaty, TX

Vetting summary

At a glance

  • Insurance on fileHighlander Specialty Insurance Company
  • Out-of-service rate0% vs 19.1% national avg
  • Authority ageGranted 5 years ago
  • Linked registrations2 share this carrier's phone or address

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number3513832
MC NumberMC-1163980
Legal NameD&Y DIAMOND TRANSPORT LLC
DBA Name—
Entity Type—
Phone7863763709
Address4242 KATY HOCKLEY CUT OFF RD, Katy, TX, 77493

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Filings

Insurance

Current InsurerHighlander Specialty Insurance Company
Coverage on File$750,000
Insurance on File Since2025-11-18
InsurerCoverageFormEffectiveCancelled
Highlander Specialty Insurance Company$750,000BMC-91X2025-11-18—

Timeline

Authority history

Authority First Granted2020-11-24 Established authority
Authority Events on Record1
  • 2020-11-24 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED

Our scoring

Safety scores

Unsafe Driving
93 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
0 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
76 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections4
Out-of-Service Rate0% vs 19.1% national average

Most frequent violation categories: 12 (2), 20 (1), 23 (1).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Signals

Linked registrations

2 other active carrier registrations share this carrier's phone or address in FMCSA records.

USDOT 2509673 · USDOT 3318261

Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.

Equipment

Fleet & operations

Power Units (trucks)1
Drivers2
Recent Annual Mileage100,112
Last MCS-150 Filing12-MAR-26

D&Y DIAMOND TRANSPORT LLC operates 1 power unit — a larger fleet than 0% of carriers registered in TX.

Nearby

Other carriers in Katy, TX

Browse all carriers in Katy, TX or all TX carriers.