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Case FileDOT 1024955
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Carrier Profile · DOT 1024955

Calmat Co

DBA: Vulcan Materials Company Shamrock Materials INC

Private Carrier · Not For HireInterstateIrwindale, CA 91702
Updated 2026-05-29T12:34:25.215Z·By Sarah Chen, Lead Safety Analyst·Reviewed by James Rodriguez·Methodology v2.1

Calmat Co has a fleet of 89 power units and 89 drivers. It does not hold for-hire operating authority and may operate as a private carrier. The company has recorded 47 roadside inspections in its operating history.

Identity
Legal nameCalmat Co
DBAVulcan Materials Company Shamrock Materials INC
DOT #1024955
MC #
CityIrwindale
StateCalifornia
ZIP91702
Authority age24.1y
StatusActive (No Auth)
Common authorityNot authorized
Contract authorityNot authorized
Broker authorityNot authorized
OperationInterstate
HazmatNot authorized
MCS-150 filed05/01/2025
Company officerJames Polomsky
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet size
89
Power units
Drivers
89
Total drivers
Inspections
47
On record
Crashes
0
On record
OOS Rate
2.1%
Better than national avg (22.26%)

Source: FMCSA compliance records, Truck Graph analysis. View methodology

Location

16013 E FOOTHILL BLVD, Irwindale, CA, 91702

16013 E FOOTHILL BLVD, IRWINDALE, CA, 91702Open in Maps →

Inspection history

47 total inspections. OOS rate: 2.1%. Showing last 5.

DateStateLevelDriver OOSVehicle OOS
4/29/2025CA100
5/28/2025CA100
1/28/2025CA500
6/27/2024CA100
12/26/2024CA200

Source: FMCSA inspection records. View methodology

Crash history

0 crashes on record. Showing last 3.

No crash records found.

Source: FMCSA crash records. View methodology

Insurance status

Current insurance filing on record with FMCSA.

No active insurance filing found. Verify directly with carrier.

Source: FMCSA insurance filings. View methodology

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55,000 power units · DOT 4362233
My-D Pins And Collectibles LLC
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Authority timeline

Key events in this carrier's operating authority history.

Authority Granted
May 2002
FMCSA issued operating authority
Active
Current
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Research this company

Verify independently using official government and public sources.

FMCSA SAFER System
Official DOT safety record, authority status, inspections
Google Search
News, reviews, and web presence
California Secretary of State
Business registration and corporate filings
Better Business Bureau
Complaints, ratings, and accreditation status
LinkedIn
Company employees, leadership, and network
PACER (Federal Courts)
Federal litigation, bankruptcy filings

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Calmat Co is based in Irwindale, CA, which is part of the larger California trucking market. Browse the full national carrier directory to compare across all 50 states.

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Frequently asked

Calmat Co

Answers from verified compliance records.

Is Calmat Co authorized to operate?

Calmat Co's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Calmat Co's safety record?

Calmat Co has 47 roadside inspections on record. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Calmat Co operate?

Calmat Co operates 89 power units with approximately 89 drivers.

Is Calmat Co insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Calmat Co had any risk indicators?

No risk indicators have been detected for Calmat Co as of the most recent data sync.

What is the DOT number for Calmat Co?

Calmat Co's DOT number is 1024955. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Calmat Co Safety Record, DOT 1024955. Retrieved from https://truckgraph.com/carriers/1024955
MLA
"Calmat Co Safety Record, DOT 1024955." Truck Graph, May 29, 2026, https://truckgraph.com/carriers/1024955
Chicago
"Calmat Co Safety Record, DOT 1024955." Truck Graph. Last modified May 29, 2026. https://truckgraph.com/carriers/1024955
SC
Sarah Chen
Lead Safety Analyst · 12 years freight intelligence
JR
James Rodriguez
Risk Analysis Editor
Last editorial review
Methodology v2.1 →