RSTC LLC

USDOT 4456914 · Doing business as ZENTZ LUMBER COMPANY

Active

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

USDOT4456914
MC Number—
Fleet6 power units
Drivers5
Phone9136691852
LocationBillings, MT

Vetting summary

At a glance

  • Out-of-service rate0% vs 19.1% national avg

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 Number4456914
MC Number—
Legal NameRSTC LLC
DBA NameZENTZ LUMBER COMPANY
Entity Type—
Phone9136691852
Address2775 ROUNDUP RD, Billings, MT, 59105-4507

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)

Inspections1
Out-of-Service Rate0% vs 19.1% national average

Most frequent violation categories: 47 (1).

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 Filing21-AUG-25

RSTC LLC operates 6 power units — a larger fleet than 92% of carriers registered in MT.

Nearby

Other carriers in Billings, MT

Browse all carriers in Billings, MT or all MT carriers.