Hazmat Carrier Finder

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A-1 Transit Corporation

As of Oct 21, 2026, A-1 Transit Corporation in Marathon, Wisconsin reports 398 power units and 241 drivers on its MCS-150, not rated by FMCSA.

205 North Street, Marathon, Wisconsin 54448 (715) 870-4692

Verified Oct 21, 2026 against FMCSA Company Census File (data.transportation.gov)

A-1 Transit Corporation (USDOT 943618, MC-404792) is an active motor carrier based in Marathon, Wisconsin that FMCSA's census classifies as for-hire and that declares hazardous materials on its MCS-150. Operation: interstate. Operating authority: active for-hire authority (MC). Fleet: 398 power units and 241 drivers (241 with CDLs). Power units count straight trucks as well as tractors, so they can exceed the tractor count. It reported 12,055,467 miles for 2024 on its MCS-150. Cargo classes declared: dry bulk commodities, general freight, building materials, construction, machinery, large objects, metal: sheets, coils, rolls, logs, poles, beams, lumber, motor vehicles, other cargo (other: Concrete Products). FMCSA has not issued it a safety rating (no compliance review on record). Registration (MCS-150) last updated May 2, 2025.

Key facts

Fleet size 100–499 power units Power units, banded. source, unchanged since Oct 20, 2026
FMCSA safety rating Not rated Satisfactory, Conditional or Unsatisfactory after an FMCSA compliance review; most carriers have never had one and are not rated. source
Rating age Not rated How old the FMCSA safety rating is. A rating reflects one compliance review on that date, not current performance; old ratings say little about the carrier today. source
Registration update overdue No The MCS-150 was last updated more than two years ago, past FMCSA's two-year update requirement; fleet, driver and cargo figures may be out of date. source, unchanged since Oct 20, 2026
Operation Interstate Interstate, intrastate hazmat or intrastate non-hazmat, as declared on the MCS-150. source, unchanged since Oct 20, 2026
Cargo classes (MCS-150) Dry bulk commodities, General freight, Building materials, Construction, Machinery, large objects, Metal: sheets, coils, rolls, Logs, poles, beams, lumber, Motor vehicles, Other cargo Cargo the carrier declared it hauls on its latest MCS-150 (FMCSA's fixed cargo list). source, unchanged since Oct 20, 2026
Driver count 100–499 drivers Total drivers, banded. source, unchanged since Oct 20, 2026
Last MCS-150 update May 2, 2025 When the carrier last updated its registration (required at least every two years). source, unchanged since Oct 20, 2026
USDOT number 943618 source, unchanged since Oct 20, 2026
MC docket MC-404792 source, unchanged since Oct 20, 2026
Operating authority Active for-hire authority (MC) source, unchanged since Oct 20, 2026
Other cargo (as described) Concrete Products source, unchanged since Oct 20, 2026
Power units 398 source, unchanged since Oct 20, 2026
Tractors (owned or leased) 266 source, unchanged since Oct 20, 2026
Trailers (owned or leased) 1,143 source, unchanged since Oct 20, 2026
Drivers 241 source, unchanged since Oct 20, 2026
CDL drivers 241 source, unchanged since Oct 20, 2026
Miles reported (MCS-150) 12,055,467 miles source, unchanged since Oct 20, 2026
Mileage year 2024 source, unchanged since Oct 20, 2026
Also hauls its own freight No source, unchanged since Oct 20, 2026
USDOT registered since Mar 28, 2001 source, unchanged since Oct 20, 2026
Business type Corporation source, unchanged since Oct 20, 2026

Source event history

Source dates and first observation are different.

  1. May 2, 2025: Filed an MCS-150 update Official source
  2. Mar 28, 2001: Registered with FMCSA Official source

Dates on this record

Source updatedOct 21, 2026 (FMCSA census rows last updated (portal metadata) (the whole dataset, not this record))
CollectedOct 21, 2026, 1:26 PM ET (the last successful check of the source that included this record)
EffectiveFiled an MCS-150 update: May 2, 2025; Registered with FMCSA: Mar 28, 2001 (when the source says each fact took effect)
RetiredNot retired: the source is still maintained (whether the dataset is still maintained)

In Wisconsin

282 hazmat carriers in the dataset are in Wisconsin; 35 have profiles on this site. Hazmat carriers in Wisconsin

FMCSA safety rating (all 282 here): Conditional 10 (4%) · Satisfactory 156 (55%) · Not rated 116 (41%)

Rating age (all 282 here): Rating over 10 years old 142 (50%) · Not rated 116 (41%) · Rated within the last 5 years 17 (6%) · Rating 5–10 years old 7 (2%)

Fleet size (all 282 in this group): 10–24 power units (134) · 25–99 power units (98) · 100–499 power units (35) · 500+ power units (15)

Cargo classes (MCS-150) (all 282 in this group; a record can count under several values): General freight (198) · Building materials (166) · Construction (166) · Machinery, large objects (156) · Other cargo (137) · Liquids / gases (106) · 24 other values (1,201)

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Something wrong or out of date? Suggest a correction. Source record ID 943618.