Top 100 Idaho Trucking Fleets by Power Units (2026)

Nightly aggregation of the FMCSA census puts Idaho at 13,883 active motor carriers running roughly 57,867 power units combined, and about 48% of those carriers are single-truck owner-operators. Average active fleet size works out to 4.6 trucks.

129 new ID carrier registrations appeared in the last 90 days — and 212 registrations carry an FMCSA prior-revocation link, the raw material of chameleon re-registrations.

GUILLERMO RAZO out of RUPERT tops the ID ranking with 2005 power units on its latest MCS-150. Its complete vetting workup — risk flags, score breakdown, insurance filings, and record timeline — is at https://mclookup.com/carrier/1693499.

The list orders every carrier headquartered in ID by self-reported power units, filtered for plausibility (a driver-to-truck ratio between 0.3 and 5.0 screens out data-entry junk like thousand-truck fleets with zero drivers). Showing the top 100 of 3,092 qualifying carriers; every row links to that carrier's full public record.

Yes — this page only surfaces the largest fleets. Any of the 3,092 registered ID carriers can be pulled up by typing its USDOT or MC number into the search bar, which returns the same risk-flag screening, score breakdown, and month-over-month record history.