UNIFIRST CORPORATION

DBA SPECIALTY APPAREL UNICLEAN SERVICES UNIFIRST

USDOT 63904 · Wilmington, MA

Not for-hire

Quick answers

What is UNIFIRST CORPORATION's USDOT number?
UNIFIRST CORPORATION is registered under USDOT 63904, based in Wilmington, MA. FMCSA classifies it as a private (not-for-hire) carrier.
How large is UNIFIRST CORPORATION's fleet?
UNIFIRST CORPORATION reports 3,143 power units and 2,896 drivers in its FMCSA record in Wilmington, MA.

Answers reflect the public FMCSA record as of June 6, 2026; figures can change at any time.

Operating snapshot

3,143Power units (fleet size)
2,896Drivers reported
52Years since registration
61MAnnual miles reported (2026)
Wilmington, MAHome base
887Inspections (24 mo)

Public FMCSA census & inspection records · as of 2026-06-06

32
Low
HaulReport estimate · highest estimated percentile
Vehicle Maintenance is this carrier's highest reconstructed BASIC percentile at the 32.1th percentile among 497 safety-event peers. Across 2 rated categories, 2 are estimated Low. Higher percentile = more inspection-violation activity recorded relative to peers. An independent estimate, not an official FMCSA or CSA score.
Estimated from public FMCSA data · updated 2026-06-08 · How we calculate this

UNIFIRST CORPORATION is a private property motor carrier based in Wilmington, MA, operating 3,143 power units and 2,896 drivers, and has been registered with FMCSA for about 52 years (since 1974). In this public FMCSA inspection snapshot it has 887 recorded inspections, with a vehicle out-of-service rate of 7.9% (below the 21.2% snapshot benchmark) and a driver out-of-service rate of 1.6% (below the 5.2% benchmark). HaulReport's highest reconstructed BASIC percentile for this carrier is Vehicle Maintenance at the 32.1th percentile (estimated band: Low), ranked among 497 safety-event peers — an independent estimate, not an official FMCSA or CSA score.

HaulReport interpretation — auto-generated from the public FMCSA data below and our percentile estimates.

Estimated BASIC percentiles

Hours-of-Service ComplianceLow
26.8 pctl · CI 2232
BASIC measure: 0.07Insp. w/ violation: 885Peer group: 694
Vehicle MaintenanceLow
32.1 pctl · CI 2737
BASIC measure: 1.93Insp. w/ violation: 592Peer group: 497

Out-of-service rates

Vehicle OOS7.9%below the 21.2% snapshot benchmark · 592 inspections
Driver OOS1.6%below the 5.2% snapshot benchmark · 885 inspections

Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.

MCS-150 biennial update

Due April 2028
Next biennial update dueApril 2028
Recurring update monthApril, even-numbered years
Last MCS-150 update on fileMarch 27, 2026

FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator

Change history & operating authority

  1. July 17, 2026New crash report published in the FMCSA crash file
  2. July 2, 2026New crash report published in the FMCSA crash file

Free. One email per change — no marketing, unsubscribe anytime.

Operating-authority status is from FMCSA's licensing system; the change history is HaulReport's own append-only daily record (FMCSA does not publish change history). This is a factual record, not an official CSA score or safety rating, and can change at any time. Verify on FMCSA SAFER · See this carrier's changes in the daily FMCSA activity feed

Carrier facts (public FMCSA data)
Verbatim public facts from FMCSA datasets. Only the percentile/band/confidence figures above are HaulReport reconstructions — not official FMCSA or CSA scores.
USDOT number63904
Legal nameUNIFIRST CORPORATION
Doing business asSPECIALTY APPAREL UNICLEAN SERVICES UNIFIRST
LocationWILMINGTON, MA
Operating classificationNot for-hire (per FMCSA census)
Power units (fleet size)3,143
Drivers2,896
Reported annual mileage61,290,000 (reported for 2026)
FMCSA registered1974 (~52 years)
Last MCS-150 updateMarch 27, 2026
Next MCS-150 update dueApril 2028
Inspections (trailing 24 mo)887
Published BASIC measures2

State reference data: Truck-crash statistics for Massachusetts — state-wide totals for all carriers registered in Massachusetts, not specific to this carrier.

FMCSA data as of 2026-06-06 · Last synced 2026-06-08 · Method: how these percentiles are reconstructed · Canonical: https://haulreport.com/carrier/63904/