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Public registries · United States · Agency detail

PHMSA — Pipeline and Hazardous Materials Safety Administration

Parent: U.S. Department of Transportation. Domains in this note: phmsa.dot.gov.

What they regulate

PHMSA oversees pipeline safety and hazardous materials transportation safety under DOT. Hazmat freight moves often stack PHMSA/DOT hazmat rules with FMCSA property-broker and carrier authority. A BrokerMafia row is not proof of hazmat registration or MC authority. Confirm on PHMSA and FMCSA primary tools.

Always prefer the live .gov site over a third-party mirror. Index ≠ endorsement.

How to verify

  1. PHMSA home — Pipeline and hazardous materials safety — not an FMCSA MC license register by itself.
  2. Hazmat / pipeline resources — Safety rules and registrations; property-broker authority still verified on FMCSA paths.

Official portal: https://www.phmsa.dot.gov/

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Questions this page answers

Does PHMSA issue FMCSA MC numbers?

No. Motor carrier and property-broker operating authority is an FMCSA path. PHMSA covers pipeline and hazmat safety layers.

Is hazmat registration the same as broker authority?

No. Hazmat registrations/permits and FMCSA broker authority are separate. Verify both when the load requires them.

Is a BrokerMafia agency page an endorsement?

No. Index ≠ endorsement. BrokerMafia is not a government agency and does not issue licenses.

Where is the full .gov directory?

https://brokermafia.com/usa/ — with JSON/CSV downloads that include the full local SLD inventory from CISA.

More agencies: /usa/agencies/ · Regulators: /usa/regulators/ · Directory: /usa/ · JSON