The 100 Largest Trucking Companies in Colorado (2026)

Nightly aggregation of the FMCSA census puts Colorado at 50,575 active motor carriers running roughly 370,401 power units combined, and about 52% of those carriers are single-truck owner-operators. Average active fleet size works out to 7.9 trucks.

436 new CO carrier registrations appeared in the last 90 days — and 337 registrations carry an FMCSA prior-revocation link, the raw material of chameleon re-registrations.

NUTRIEN AG SOLUTIONS INC out of LOVELAND tops the CO ranking with 9367 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/1203339.

The list orders every carrier headquartered in CO 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 8,175 qualifying carriers; every row links to that carrier's full public record.

Yes — this page only surfaces the largest fleets. Any of the 8,175 registered CO 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.