FMCSA Carrier Profile
MACMILLAN-PIPER LLC
Owner / Officer: Mark B. Miller
Inactive
No Safety Rating
Authority Active
Active 20 yrs, 7 mo
Authority
Active
Common carrier
Insurance
On File
$1,000,000 BIPD
Safety
Not Rated
45th pct · 33 inspections on record
Flags · 1
Inactive Carrier Status
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Vetting Notes
MACMILLAN-PIPER LLC is an inactive FMCSA-registered motor carrier based in Seattle, Washington, operating under DOT 178461. No high-severity flags were found on authority or insurance records. One note for review: inactive carrier status. Across 33 FMCSA inspections on record, this carrier shows 10.0% vehicle OOS and 0.0% driver OOS.
FMCSA Registration
DOT Number
178461
Operating Status
Inactive
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
January 11, 2024
FMCSA Registration
June 1, 1974
Authority Reinstated
December 20, 2005
Annual Mileage
601,475 mi (2023)
Contact Information
Address
1762 6th Ave S, Seattle, WA 98134
Phone
Email
Owner / Officer
Mark B. Miller
Officer 2
Suzanne Tilley
Operating Authority
MC203361
Common Carrier
Insurance on File
GREENWICH INSURANCE COMPANY
1 · $1,000,000 · Policy GGA7479353
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Safety Percentile
45th percentile
vs. peer carriers
↗ Approaching alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
33
Driver Inspections
33
Vehicle Inspections
30
Total OOS Orders
3
Violations by Category
Vehicle Maintenance9
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate10.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2025
2024
Inspection Records (33)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| July 31, 2024 | WA | Level III — Driver Only | — | 0 | Clean |
| June 25, 2024 | WA | Level I — Full | — | 0 | Clean |
| November 21, 2024 | WA | Level III — Driver Only | — | 0 | Clean |
| August 21, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 21, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 20, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 20, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 20, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 15, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 15, 2024 | WA | Level I — Full | — | 1 | 1 OOS |
| August 15, 2024 | WA | Level I — Full | — | 0 | Clean |
| August 14, 2024 | WA | Level I — Full | — | 0 | Clean |
Showing 12 of 33 inspection records
Authority History
| Date | Status | Type |
|---|---|---|
| December 20, 2005 | REINSTATED | Common Carrier |
| August 15, 2005 | GRANTED | Common Carrier |
| October 16, 2023 | INVOLUNTARY REVOCATION | Common |
| September 21, 2001 | INVOLUNTARY REVOCATION | Common |
| September 7, 2016 | INVOLUNTARY REVOCATION | Common |
| July 21, 2016 | INVOLUNTARY REVOCATION | Common |
| June 24, 2016 | INVOLUNTARY REVOCATION | Common |
| June 8, 2021 | INVOLUNTARY REVOCATION | Common |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| BI&PD Primary/Excess | Cancellation Pending | |
| Revocation Order | On Record |
Other Carriers in Seattle, WA
Data sourced from FMCSA MCMIS via Socrata. Last updated: July 31, 2026.
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