US · FMCSA ACTIVE AUTHORITY INSURED
MARATHON MAIL SERVICE INC
dba MARATHON MAIL SERVICE
Wausau, WI 54401-5339 · DOT 184033 · MC1662672
Company profile
Web-discovered · as of 2026-07-30
Marathon Mail Service Inc is a Wausau-based for-hire carrier specializing in transporting U.S. Mail. Operating 78 power units, the company serves the United States Postal Service across Wisconsin, including terminals in Wausau and Madison. It is family-owned and often hauls as a dedicated carrier.
Fleet use
For-hire freight
Operating scope
Regional
Service model
dedicated, scheduled route
Equipment
dry van
Ownership
Private
HQ · 1205 West St, Wausau, WI 54401
Active site and FMCSA snapshot (2026); active US Mail contract carrier.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
78
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1974
156 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $750k
Out of service
No
Safety rating
SATISFACTORY
Crashes (24 mo)
2
0 fatal · 1 injured
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