US motor carrier directory

Know the number? Punch the DOT or MC into search and get the full workup. Exploring a market? Start from a state ranking below or the national top-100.

4,515,483 active registrations on file, re-synced from FMCSA on a rolling ~48-hour cycle.

Largest US Fleets

Top 100 motor carriers nationally, ranked by power unit count.

Look up a DOT Number

Step-by-step guide to checking any USDOT number, status, and safety record.

Look up an MC Number

How to verify operating authority, insurance, and broker authority.

Understand CSA Scores

Plain-English guide to the seven FMCSA BASIC categories and what scores mean.

Chameleon Carrier Guide

Detection signals for revoked carriers re-registering under new names.

Pre-Booking Checklist

The six-point vetting checklist used by senior dispatch and broker teams.

Browse by state

Across the 50 states and DC, 2,223,220 carriers hold an active USDOT registration and report 14,168,777 power units between them. 1,149,437 (52%) are owner-operators running a single truck, and 33,258 new carriers registered in the last 90 days. California, Texas and Florida together account for 31% of active carriers. Each state page ranks its 100 largest fleets.

StateActive carriersPower unitsAvg fleetOwner-operatorsNew (90 days)
California329,9661,233,7865.253%3,596
Texas195,2031,060,4516.355%4,103
Florida157,7051,010,6287.461%2,867
New York129,9711,067,2369.054%1,403
Georgia108,421752,6778.055%1,589
Pennsylvania82,816725,4079.846%1,464
Michigan78,304414,6805.849%725
Minnesota76,382497,4417.153%824
Wisconsin65,744437,1797.254%567
Illinois56,406463,20410.041%1,279
North Carolina54,672341,5837.350%1,093
Ohio52,574439,1379.944%1,202
Washington51,226345,2467.453%633
Colorado50,802370,4618.052%618
New Jersey50,018411,5119.750%1,253
Indiana47,441276,8776.548%666
Maryland44,454363,7499.153%627
Kentucky43,518152,0153.856%468
Massachusetts39,964559,63715.547%607
Alabama35,742221,7746.951%400
Arizona32,171212,0057.651%603
Nebraska29,207151,1905.649%254
Oregon28,981190,4187.254%326
Oklahoma27,653157,7076.350%386
Iowa26,934145,5285.950%263
Missouri26,915227,3589.944%484
Tennessee26,069184,1248.545%538
Virginia25,600177,8048.348%576
South Carolina25,260150,7067.053%478
Utah24,050182,2928.349%246
Connecticut21,769149,8607.750%409
Kansas19,216109,5286.242%211
Maine14,27359,4924.453%104
Idaho13,95557,8704.647%185
Mississippi12,77994,4189.049%291
Louisiana12,575125,03312.348%290
New Mexico11,49040,6033.853%157
West Virginia11,18145,6704.451%153
Arkansas11,121116,67412.745%187
Nevada10,68750,7205.950%244
Montana9,07464,8047.846%102
Wyoming6,87223,1553.844%100
North Dakota6,63740,2276.740%83
Alaska6,60037,1895.946%44
South Dakota6,47027,9284.842%70
New Hampshire6,17127,1904.942%126
Hawaii5,504114,83423.244%90
Delaware5,10419,8524.745%109
Rhode Island4,32919,3495.146%97
Vermont2,37910,6144.840%50
District of Columbia8659,95614.446%18

Aggregates rebuilt nightly from the FMCSA census; last run Nov 1, 2026. Owner-operator share is single-power-unit carriers as a percentage of active carriers.

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