Private trucking fleets represent roughly one-half of the overall trucking market. According to FleetSeek, a trucking industry research firm, the total truck fleet count in the United States is 565,253. Some 277,623 of these are private fleets, or slightly more than 49%. The great majority are very small with twenty vehicles or less: 189,849 fleets have 1-5 vehicles; 39,509 have 6-10 vehicles, and 24,465 have 11-20 vehicles.