MACMILLAN-PIPER, LLC

Authority active

USDOT 178461 · MC203361 · SEATTLE, WA

MACMILLAN-PIPER, LLC (USDOT 178461, MC MC203361) is a motor carrier based in SEATTLE, WA. This page provides comprehensive safety information, inspection history, authority status, and compliance data for MACMILLAN-PIPER, LLC.

Quick Facts

Legal Name:: MACMILLAN-PIPER, LLC
USDOT Number:: 178461
MC Number:: MC203361
Authority Status:: Active
Power Units:: 42
Location:: SEATTLE, WA

Insurance filing

Unknown

USDOT registration

USDOT inactive

Fleet size

42 power units

42 drivers

Safety record

Rolling 24 months

inspections

with violations

violations

vehicle out of service

driver out of service

FMCSA safety scores through Feb 2026

Unsafe driving
measure 0.33
Hours of service
No violations
Vehicle maintenance
measure 1.59
Driver fitness
No violations
Controlled substances
No violations

Recent inspections

No roadside inspections were reported in the last 24 months.

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Jun 1, 1974

MCS-150 mileage

601,475 mi

Mileage year

2023

Reported cargo

No cargo classifications reported.