UP
UNITED PIPING INC
DOT 676883MC 1026836ActiveMotor CarrierInterstateNATIONAL UNION FIRE INS. CO. OF PITSBGH. PA +1 · $5,000,000 · 2 policiesDULUTH, MN
COMPANY
Authority since
2019-04-04
MCS-150
2026-03-24 · 520,000 mi (2025)
Fleet
29 units · 126 trailers · 19 drivers
ADDRESS
Physical
4510 AIRPORT RD
DULUTH, MN 55811
DULUTH, MN 55811
Mailing
Same as physical
CONTACT
Phone
2187277676
Email
HOLLY.DOBSON@UNITEDPIPING.US
OFFICERS
Primary Officer
TIM DARIF
Title
VICE PRESIDENT
OPERATION & CARGO
Operation classification
Private Property;authorized For Hire
Specialty
Passenger Transport
Cargo types
8
Metal: Sheets, Coils, RollsMotor VehiclesLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsPassengersOilfield EquipmentConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads.
AUTHORITY
90 mo
Active authority
INSURANCE
2 active
NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA
RISK GRADE
Minimal Risk
0 risk factors · 4 strengths
OOS RATE
17.2%
5 / 29 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0/100 risk points0 risk factors · 4 strengths · 4 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
6 crashes · 0 fatal · 1 with injuries · 6 tow-away
Clean Inspection Rate
83% — 24 clean of 29 inspections
Out-of-Service Rate
17.2% — driver OOS 0, vehicle OOS 5
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
2 historical event(s) on file
MCS-150 Filing
Last filed 2026-03-24
INSURANCE
Active Coverage
2 active policy(ies) · total max coverage $5,000,000
SUMMARY
No crashes in the last 24 months
83% clean inspections
Active insurance on file
Coverage $5.0M