Hazmat Carrier Finder

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White Mountain Trucking LLC

As of Oct 22, 2026, White Mountain Trucking LLC in Laveen, Arizona reports 127 power units and 115 drivers on its MCS-150, not rated by FMCSA.

6424 S 75th Ave, Laveen, Arizona 85339 (602) 237-9440

Verified Oct 22, 2026 against FMCSA Company Census File (data.transportation.gov)

White Mountain Trucking LLC (USDOT 2356092, MC-807029) is an active motor carrier based in Laveen, Arizona 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: 127 power units and 115 drivers (115 with CDLs). Power units count straight trucks as well as tractors, so they can exceed the tractor count. It reported 11,871,699 miles for 2025 on its MCS-150. Cargo classes declared: general freight, building materials, construction, machinery, large objects, metal: sheets, coils, rolls, logs, poles, beams, lumber, grain, feed, hay, fresh produce. FMCSA has not issued it a safety rating (no compliance review on record). In the last 24 months it had 323 roadside inspections, 60 of them (18.6%) with an out-of-service order; 12 reportable crashes (1 death, 1 injury); a crash on record does not by itself mean the carrier caused it. Registration (MCS-150) last updated May 26, 2026.

Key facts

Fleet size 100–499 power units Power units, banded. source
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last updated more than two years ago, past FMCSA's two-year update requirement; fleet, driver and cargo figures may be out of date.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
Operation Interstate Interstate, intrastate hazmat or intrastate non-hazmat, as declared on the MCS-150. source
Cargo classes (MCS-150) General freight, Building materials, Construction, Machinery, large objects, Metal: sheets, coils, rolls, Logs, poles, beams, lumber, Grain, feed, hay, Fresh produce Cargo the carrier declared it hauls on its latest MCS-150 (FMCSA's fixed cargo list). source
Driver count 100–499 drivers Total drivers, banded. source
Last MCS-150 update May 26, 2026 When the carrier last updated its registration (required at least every two years). source
Out-of-service share (24 months) 10% to 20% out of service The share of the carrier's roadside inspections in the last 24 months that ended in an out-of-service order. A carrier with few inspections can swing on one result. source
Roadside inspections (24 months) 323 Roadside inspections of the carrier's drivers and vehicles in FMCSA's Safety Measurement System file, which covers the last 24 months and is refreshed monthly. source
Reportable crashes (24 months) 12 Crashes involving the carrier's vehicles that met FMCSA's reporting threshold (a death, an injury treated away from the scene, or a vehicle towed away) in the last 24 months. A crash on record does not mean the carrier caused it. source
USDOT number 2356092 source
MC docket MC-807029 source
Operating authority Active for-hire authority (MC) source
Power units 127 source
Tractors (owned or leased) 122 source
Trailers (owned or leased) 288 source
Drivers 115 source
CDL drivers 115 source
Miles reported (MCS-150) 11,871,699 miles source
Mileage year 2025 source
Also hauls its own freight No source
USDOT registered since Nov 8, 2012 source
Inspections with an out-of-service order (24 months) 60 source
Hazmat inspections (24 months) 0 source
Hazmat out-of-service orders (24 months) 0 source
Deaths in those crashes 1 source
Injuries in those crashes 1 source
Crashes with a hazmat release (24 months) 0 source

Source event history

Source dates and first observation are different.

  1. May 26, 2026: Filed an MCS-150 update Official source
  2. Nov 8, 2012: Registered with FMCSA Official source

Dates on this record

Source updatedOct 22, 2026 (FMCSA census rows last updated (portal metadata) (the whole dataset, not this record))
CollectedOct 22, 2026, 10:22 PM ET (the last successful check of the source that included this record)
EffectiveFiled an MCS-150 update: May 26, 2026; Registered with FMCSA: Nov 8, 2012 (when the source says each fact took effect)
RetiredNot retired: the source is still maintained (whether the dataset is still maintained)

In Arizona

115 hazmat carriers in the dataset are in Arizona; 18 have profiles on this site. Hazmat carriers in Arizona

FMCSA safety rating (all 115 here): Conditional 2 (2%) · Not rated 69 (60%) · Satisfactory 44 (38%)

Rating age (all 115 here): Rating over 10 years old 36 (31%) · Not rated 69 (60%) · Rating 5–10 years old 6 (5%) · Rated within the last 5 years 4 (3%)

Fleet size (all 115 in this group): 25–99 power units (49) · 10–24 power units (45) · 100–499 power units (16) · 500+ power units (5)

Cargo classes (MCS-150) (all 115 in this group; a record can count under several values): General freight (89) · Machinery, large objects (53) · Liquids / gases (50) · Motor vehicles (49) · Building materials (45) · Construction (45) · 24 other values (400)

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Something wrong or out of date? Suggest a correction. Source record ID 2356092.