Largest Trucking Companies in South Dakota
The biggest active power-unit fleets domiciled in South Dakota.
Largest fleets facts for South Dakota
Largest Trucking Companies in South Dakota lists 28 carriers in Vektor's current FMCSA-backed ranking.
HEYL TRUCK LINES INC (USDOT 65762) ranks first in the current South Dakota largest fleets list; its FMCSA-backed row shows 490 power units and a Vektor safety score of 88/100 and a Clear verdict.
The South Dakota largest fleets list is ranked by power units using precomputed FMCSA record fields and deterministic Vektor analysis.
Largest fleets in South Dakota
28 carriers · ranked from the live FMCSA record & Vektor analysis
Ranked by power units
Rankings are computed by Vektor from the live FMCSA / MCMIS record, VIN-decoded equipment, and roadside-inspection history — refreshed continuously. Not a paid placement and not an FMCSA endorsement. Verify authority & insurance before tendering.