HORIZONTAL BORING LLC

USDOT 2401522 · Doing business as UNDERGROUND CONSTRUCTION

Active

Active, intrastate (non-hazmat) carrier, small fleet (6 power units) — no FMCSA safety rating on record (common).

USDOT2401522
MC Number
Fleet6 power units
Drivers5
Phone6028771992
LocationPhoenix, AZ

Vetting summary

At a glance

  • Out-of-service rate100% vs 19.1% national avg
  • Crashes (24 months)1 reported — involvement does not imply fault

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number2401522
MC Number
Legal NameHORIZONTAL BORING LLC
DBA NameUNDERGROUND CONSTRUCTION
Entity Type
Phone6028771992
Address2402 S 16TH AVE, Phoenix, AZ, 85007

Status

Authority & safety

Operating StatusActive
Operation TypeIntrastate (Non-Hazmat)
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Safety events

Inspections & crashes (last 24 months)

Inspections3
Out-of-Service Rate100% vs 19.1% national average
Crashes1 total (0 fatal, 0 with injuries, 1 towaway)
  • 2025-10-14 — AZ — towaway

Most frequent violation categories: 16 (4), 29 (3), 20 (2).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)6
Drivers5
Recent Annual Mileage
Last MCS-150 Filing14-FEB-24

HORIZONTAL BORING LLC operates 6 power units — a larger fleet than 91% of carriers registered in AZ.

Nearby

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