MC Mahon Steel Company Inc

USDOT 2343642MC-958548USDOT activeAuthority active· Chula Vista, CA

MC Mahon Steel Company Inc (USDOT 2343642) holds active operating authority as a motor carrier of property under MC-958548 based in Chula Vista, CA. The earliest grant on file is from March 2016, 10 years, 7 months ago. $1,000,000 of liability coverage is on file with Zurich American Insurance Company. It reported 17 power units and 17 drivers on its last MCS-150 update (March 2026). 1 other active carrier lists the same physical address.

Operating authority

Docket	Authority	Status	Insurance required	On file
MC-958548	Motor carrier of property	Active	$750,000 liability	$1,000,000 liability

Earliest grant on file: Mar 24, 2016 (10 years, 7 months ago).

Insurance and bonds on file

Type	Insurer	Coverage	Effective	Cancellation
Liability (BIPD) · form 91X	Zurich American Insurance Company	$1,000,000	Oct 1, 2021	—

Confirm coverage with the insurer before tendering a load.

Authority history

Date	Docket	Action
Apr 21, 2022	MC-958548	Reinstated · other authority
Mar 21, 2022	MC-958548	Revoked · other authority
Dec 7, 2021	MC-958548	Discontinued revocation · common carrier
Dec 6, 2021	MC-958548	Involuntary revocation · common carrier
Aug 20, 2021	MC-958548	Discontinued revocation · common carrier
Aug 2, 2021	MC-958548	Involuntary revocation · common carrier
Mar 6, 2020	MC-958548	Discontinued revocation · common carrier
Feb 11, 2020	MC-958548	Involuntary revocation · common carrier
Mar 6, 2019	MC-958548	Discontinued revocation · common carrier
Feb 11, 2019	MC-958548	Involuntary revocation · common carrier
Feb 27, 2018	MC-958548	Discontinued revocation · common carrier
Feb 12, 2018	MC-958548	Involuntary revocation · common carrier
Mar 8, 2017	MC-958548	Discontinued revocation · common carrier
Feb 10, 2017	MC-958548	Involuntary revocation · common carrier
Mar 24, 2016	MC-958548	Granted · other authority

Revocations

Docket	Authority	Order served	Effective
MC-958548	Common	Feb 14, 2022	Mar 21, 2022 · involuntary revocation

Registration

USDOT number	2343642
USDOT status	Active
MC number	MC-958548
Legal name	MC Mahon Steel Company Inc
Operation	Intrastate (non-hazmat)
Classification	Private property, Authorized for hire
Location	Chula Vista, California 91911
USDOT added	Sep 18, 2012
Last MCS-150 update	Mar 5, 2026
Safety rating	Not rated

Fleet

Power units	17
Trucks	17
Drivers	17 · 1 with a CDL
Annual miles	14,340 · 2023

Cargo carried

General freight, Metal: sheets, coils, rolls, steel products

Other records

1 other active carrier lists the same physical address. Shared addresses are common for fleets, terminals and filing agents; they are one input to a vetting decision, not a finding.

Check it yourself

Data as of Nov 15, 2026. Sources

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