Marathon Mail Service Inc (DOT# 184033 · MC# 1662672) – FMCSA Carrier Profile

doing business as MARATHON MAIL SERVICE
DOT# 184033MC# 1662672● Active
Updated monthly · 2026-03-09

This carrier is active with a Satisfactory safety rating.

Marathon Mail Service Inc is a registered motor carrier with the FMCSA under USDOT number 184033. The company operates from Wausau, WI and maintains an active operating status with 78 power units and 156 drivers on record.

Safety Rating

FMCSA Safety Rating
Satisfactory
Rated: April 23, 1991

Marathon Mail Service Inc holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

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Company Information

Address1205 West St, Wausau, WI, 54401-5339
Phone(715) 842-2511
Entity TypeAuthorized For Hire
OperationInterstate
Power Units78(Medium carrier)
Drivers156
MCS-150 FiledFebruary 4, 2025
Annual Mileage5,459,524 mi (2024)
All carriers in WisconsinCarriers in Wausau, WI

Inspection Summary

All-time Inspections
All-time
7
Total
5
OOS
0
Driver OOS
5
Vehicle OOS
7 inspections — relatively low volume, which may indicate a smaller or newer carrier.
OOS Rate71.43%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 71.4% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

Crash Records
All-time
4
Total
0
Fatal
5
Injuries
0
Tow-Away
4 crashes on record. This is within a common range for active carriers — assess relative to fleet size and inspection volume.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
0.1
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.0
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.0
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
6.8
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Carrier Insight

Marathon Mail Service Inc is a medium-sized motor carrier operating in Wisconsin. With 7 total inspections on record, the carrier has an out-of-service rate of 71.4%, which exceeds the national average of approximately 21%. 4 crashes have been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

A Satisfactory rating from the FMCSA indicates that Marathon Mail Service Inc meets federal safety standards based on the most recent compliance review. This is the highest rating a carrier can receive.

The company operates 78 power units and employs 156 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 184033?
USDOT number 184033 is assigned to Marathon Mail Service Inc, an active motor carrier registered with the FMCSA, based in Wausau, WI.
What is the safety rating of Marathon Mail Service Inc?
Marathon Mail Service Inc has a safety rating of Satisfactory as of April 23, 1991.
How many inspections has Marathon Mail Service Inc had?
Marathon Mail Service Inc has recorded 7 total inspections with 5 out-of-service orders, representing an OOS rate of 71.43%.
Where is Marathon Mail Service Inc located?
Marathon Mail Service Inc is headquartered at 1205 West St, Wausau, WI 54401-5339.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
What is the MC number for Marathon Mail Service Inc?
The MC number for Marathon Mail Service Inc is MC# 1662672. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 184033 · Last updated: 2026-03-09. View official FMCSA record →