Hazmat Carrier Finder

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Hot-Rock Haulers LLC

As of Oct 22, 2026, Hot-Rock Haulers LLC in South Boston, Virginia reports 200 power units and 132 drivers on its MCS-150, not rated by FMCSA.

2100 Philpott Rd, South Boston, Virginia 24592 (434) 572-2477

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

Hot-Rock Haulers LLC (USDOT 1496668, MC-562561), doing business as A J Transport, is an active motor carrier based in South Boston, Virginia 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: 200 power units and 132 drivers (132 with CDLs). Power units count straight trucks as well as tractors, so they can exceed the tractor count. It reported 8,231,262 miles for 2023 on its MCS-150. Cargo classes declared: liquids / gases, dry bulk commodities, general freight, building materials, construction, metal: sheets, coils, rolls, agricultural / farm supplies, grain, feed, hay, other cargo (other: Sand, Stone, Dirt,). FMCSA has not issued it a safety rating (no compliance review on record). In the last 24 months it had 209 roadside inspections, 15 of them (7.2%) with an out-of-service order; 14 reportable crashes (0 deaths, 5 injuries); a crash on record does not by itself mean the carrier caused it. Registration (MCS-150) last updated October 16, 2025.

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last updated more than two years ago, past FMCSA's two-year update requirement; fleet, driver and cargo figures may be out of date.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) Liquids / gases, Dry bulk commodities, General freight, Building materials, Construction, Metal: sheets, coils, rolls, Agricultural / farm supplies, Grain, feed, hay, Other cargo 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 Oct 16, 2025 When the carrier last updated its registration (required at least every two years). source
Out-of-service share (24 months) Under 10% 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) 209 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) 14 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
Doing business as A J Transport source
USDOT number 1496668 source
MC docket MC-562561 source
Operating authority Active for-hire authority (MC) source
Other cargo (as described) Sand, Stone, Dirt, source
Power units 200 source
Tractors (owned or leased) 120 source
Trailers (owned or leased) 211 source
Drivers 132 source
CDL drivers 132 source
Miles reported (MCS-150) 8,231,262 miles source
Mileage year 2023 source
Also hauls its own freight No source
USDOT registered since May 3, 2006 source
Inspections with an out-of-service order (24 months) 15 source
Hazmat inspections (24 months) 0 source
Hazmat out-of-service orders (24 months) 0 source
Deaths in those crashes 0 source
Injuries in those crashes 5 source
Crashes with a hazmat release (24 months) 0 source

Source event history

Source dates and first observation are different.

  1. Oct 16, 2025: Filed an MCS-150 update Official source
  2. May 3, 2006: 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: Oct 16, 2025; Registered with FMCSA: May 3, 2006 (when the source says each fact took effect)
RetiredNot retired: the source is still maintained (whether the dataset is still maintained)

In Virginia

147 hazmat carriers in the dataset are in Virginia; 25 have profiles on this site. Hazmat carriers in Virginia

FMCSA safety rating (all 147 here): Conditional 4 (3%) · Not rated 90 (61%) · Satisfactory 53 (36%)

Rating age (all 147 here): Rating over 10 years old 53 (36%) · Not rated 90 (61%) · Rating 5–10 years old 2 (1%) · Rated within the last 5 years 2 (1%)

Fleet size (all 147 in this group): 10–24 power units (66) · 25–99 power units (54) · 100–499 power units (21) · 500+ power units (6)

Cargo classes (MCS-150) (all 147 in this group; a record can count under several values): General freight (95) · Building materials (75) · Construction (75) · Machinery, large objects (75) · Motor vehicles (72) · Other cargo (57) · 24 other values (517)

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