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USDOT 46713MC123048MC827940

Diamond Transportation System Inc — compliance record

The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.

Vetting summary

✓

Authority age

48 years (granted 1978)

✓

Liability filing

$1M BIPD — meets the $750K federal minimum

✓

Inspections

148 on file

✓

Out-of-service

Within normal range vs national averages

✓

Email identity

Company domain, matches website

Federal identity

Registration snapshot

Legal name

Diamond Transportation System Inc

DBA

—

Entity type

Carrier+broker

Physical address

5021 21st Street, Racine, WI 53406

Phone

(262) 554-5400

Power units

59

Drivers

61

First on record

—

Last MCS-150 filing

—

Hazmat flag

No

Operating authority

Dockets & filings

MC123048

Common: Active · Contract: Active · Broker: Inactive

Property: ✓ · Passenger: — · HHG: — · BIPD filed: ✓ · Cargo: — · Bond: —

MC827940

Common: None · Contract: None · Broker: Active

Property: ✓ · Passenger: — · HHG: — · BIPD filed: — · Cargo: — · Bond: ✓

Authority history

  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Withdrawn — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Denied — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier
  • Granted — Motor Property Common Carrier

Revocation records

  • type license: BROKER · order1 serve date: 09/04/2013 · order2 type desc: INVOLUNTARY REVOCATION · order2 effective date: 10/07/2013

Insurance filings

91X — Great West Casualty Co. · coverage $1M (as filed)

Out-of-service rates

Driver OOS

0.0%

National average ≈ 5.9% · 148 inspections on record

Vehicle OOS

14.2%

National average ≈ 20.9% · 148 inspections on record

Email & web forensics

✓

On-file email

rjcoca@diamondtrans.net — company domain

✓

Domain age

diamondtrans.net registered 1998-12-25 (28 years)

✓

Mail host

Microsoft 365

✓

Domain match

Email domain matches the company website

From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.

Crash record — last 24 months

5

Reportable crashes

5

Tow-aways

1

With injuries

0

With fatalities

Most recent: OH 01/2026 · KY 05/2025 · AL 03/2025 — from the federal crash file; recordable crashes regardless of fault.

Safety record

Inspection history

2026: 172025: 392024: 532023: 39
Level III — Driver-only: 79Level II — Walk-around: 63Level I — Full: 6
DateStateLevel
Jun 16, 2026ARLevel III — Driver-only
May 13, 2026IALevel II — Walk-around
May 3, 2026INLevel III — Driver-only
Apr 28, 2026MNLevel III — Driver-only
Apr 21, 2026ILLevel III — Driver-only
Apr 12, 2026OHLevel III — Driver-only
Apr 3, 2026OHLevel III — Driver-only
Mar 30, 2026OHLevel II — Walk-around
Mar 16, 2026COLevel III — Driver-only
Mar 7, 2026OHLevel II — Walk-around
Mar 5, 2026MDLevel II — Walk-around
Mar 4, 2026OHLevel III — Driver-only
Feb 13, 2026NDLevel III — Driver-only
Feb 11, 2026NMLevel II — Walk-around
Feb 5, 2026NMLevel III — Driver-only
Jan 23, 2026TNLevel I — Full
Jan 15, 2026TNLevel III — Driver-only
Dec 11, 2025OHLevel II — Walk-around
Dec 10, 2025TXLevel II — Walk-around
Nov 30, 2025ARLevel III — Driver-only
Nov 26, 2025NMLevel III — Driver-only
Nov 20, 2025FLLevel III — Driver-only
Oct 6, 2025OHLevel III — Driver-only
Sep 18, 2025SDLevel II — Walk-around
Sep 10, 2025WILevel II — Walk-around
Aug 19, 2025INLevel III — Driver-only
Aug 13, 2025IALevel III — Driver-only
Aug 6, 2025MILevel III — Driver-only
Jul 31, 2025CALevel II — Walk-around
Jul 24, 2025ARLevel III — Driver-only
Jul 18, 2025NMLevel II — Walk-around
Jun 30, 2025TXLevel II — Walk-around
Jun 9, 2025SDLevel III — Driver-only
Jun 5, 2025MOLevel II — Walk-around
May 30, 2025MNLevel III — Driver-only
May 23, 2025OHLevel II — Walk-around
May 18, 2025IALevel II — Walk-around
Apr 30, 2025GALevel III — Driver-only
Apr 24, 2025ARLevel III — Driver-only
Apr 14, 2025WILevel III — Driver-only
Apr 10, 2025OHLevel II — Walk-around
Apr 9, 2025ILLevel II — Walk-around
Mar 14, 2025IALevel III — Driver-only
Mar 2, 2025ARLevel III — Driver-only
Feb 28, 2025CALevel II — Walk-around
Feb 24, 2025SCLevel III — Driver-only
Feb 23, 2025COLevel II — Walk-around
Feb 21, 2025TNLevel III — Driver-only
Feb 19, 2025OHLevel II — Walk-around
Feb 11, 2025IALevel III — Driver-only
Feb 3, 2025GALevel II — Walk-around
Feb 3, 2025MILevel II — Walk-around
Feb 2, 2025NCLevel III — Driver-only
Feb 2, 2025IALevel II — Walk-around
Jan 17, 2025TNLevel III — Driver-only
Jan 9, 2025ILLevel III — Driver-only
Dec 10, 2024OKLevel III — Driver-only
Dec 10, 2024NCLevel II — Walk-around
Dec 4, 2024GALevel III — Driver-only
Dec 3, 2024IALevel II — Walk-around
Nov 28, 2024NCLevel III — Driver-only
Nov 27, 2024MSLevel II — Walk-around
Nov 22, 2024MSLevel II — Walk-around
Nov 1, 2024SDLevel II — Walk-around
Oct 17, 2024SDLevel III — Driver-only
Sep 30, 2024WILevel II — Walk-around
Sep 26, 2024LALevel III — Driver-only
Sep 23, 2024SDLevel III — Driver-only
Sep 18, 2024ARLevel III — Driver-only
Sep 11, 2024WVLevel II — Walk-around
Sep 9, 2024IALevel II — Walk-around
Sep 5, 2024MSLevel III — Driver-only
Sep 4, 2024ARLevel II — Walk-around
Aug 22, 2024LALevel I — Full
Aug 1, 2024NDLevel II — Walk-around
Jul 26, 2024TNLevel I — Full
Jul 22, 2024MNLevel III — Driver-only
Jul 10, 2024NMLevel II — Walk-around
Jun 24, 2024ARLevel III — Driver-only
Jun 22, 2024ILLevel III — Driver-only
Jun 16, 2024WYLevel II — Walk-around
Jun 7, 2024CALevel I — Full
May 18, 2024INLevel III — Driver-only
May 17, 2024CALevel III — Driver-only
May 6, 2024MNLevel III — Driver-only
May 1, 2024TNLevel III — Driver-only
Apr 30, 2024ARLevel III — Driver-only
Apr 30, 2024WILevel II — Walk-around
Apr 30, 2024ARLevel III — Driver-only
Apr 28, 2024ALLevel III — Driver-only
Apr 26, 2024MSLevel II — Walk-around
Apr 25, 2024IALevel III — Driver-only
Apr 9, 2024ILLevel III — Driver-only
Apr 5, 2024ARLevel III — Driver-only
Apr 3, 2024SDLevel II — Walk-around
Mar 31, 2024IALevel III — Driver-only
Mar 27, 2024NDLevel II — Walk-around
Mar 22, 2024MSLevel II — Walk-around
Mar 22, 2024NDLevel III — Driver-only
Mar 10, 2024NDLevel II — Walk-around

Most recent 100 of 148 inspections on file.

Activity log

Record changes

TenFour re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.

No changes recorded since TenFour began tracking this company.

In the news

Recent coverage

No recent news coverage found for "Diamond Transportation System Inc" — for most small carriers, no news is good news.

Via Google News — headlines may include similarly-named companies; verify before acting.

Vetting toolkit

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FMCSA SAFER snapshot ↗

The official company snapshot, straight from FMCSA.

FMCSA SMS safety profile ↗

Safety Measurement System — BASIC scores and crash history.

L&I authority record ↗

Licensing & Insurance: authority, insurance, and BOC-3 on file.

Search court records ↗

Quick sweep for litigation and judgments.

Sources: FMCSA Motor Carrier Census, Licensing & Insurance, inspection and revocation files at data.transportation.gov (synced daily by TenFour), plus Google News. This page is a research aid, not a safety rating; records shown as published. TenFour is not affiliated with FMCSA.