The 100 Largest Trucking Companies in Oklahoma (2026)

Nightly aggregation of the FMCSA census puts Oklahoma at 27,654 active motor carriers running roughly 157,708 power units combined, and about 50% of those carriers are single-truck owner-operators. Average active fleet size works out to 6.3 trucks.

375 new OK carrier registrations appeared in the last 90 days — and 388 registrations carry an FMCSA prior-revocation link, the raw material of chameleon re-registrations.

TRANSCON LINES INC out of OKLAHOMA CITY tops the OK ranking with 3279 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/58869.

The list orders every carrier headquartered in OK 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 6,016 qualifying carriers; every row links to that carrier's full public record.

Yes — this page only surfaces the largest fleets. Any of the 6,016 registered OK 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.