Direct access
The FMCSA Company Census File (az4n-8mr2) supplies active USDOT registrations, contact information, physical addresses, fleets and cargo. Motus AuthHist (yu5v-wbh6) supplies authority-grant events; Motus Carrier (inys-ebih) adds authority context. All are downloaded from data.transportation.gov through its official open-data API.
What remains to build
To reproduce these packs, normalize contact fields, select active registrations and US physical-address states, deduplicate by USDOT, compute contact coverage and export your files. A daily feed also needs a persistent snapshot and discovery history.