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City Statistics

Active Trucking Companies
in Janesville, WI

226 active carriers, brokers & freight companies. Located in Rock County.

Janesville, WI FMCSA data • updated weekly 0.89% of Wisconsin
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226
Active Trucking Companies
0.89% of all active carriers in Wisconsin
25
New FMCSA Registrations (24 Mo.)
Avg 1.0 new companies per month (-15.4% YoY)
1
Median Fleet Size
Power units at the midpoint of all reporting companies
54.1%
Owner-Operator Rate
vs. 55.5% statewide in Wisconsin
New FMCSA Registrations
134 Nov '24May '25Nov '25May '26Oct '26
24
Total
1.0
Avg / month
4
Best: Mar 2026
0
Lowest: Nov 2024
Company Size Distribution
194
Reporting
Fleets
1 Power Unit 105 54.1%
2–5 Units 65 33.5%
6–20 Units 17 8.8%
21–100 Units 6 3.1%
101+ Units 1 0.5%

Based on total power units reported to FMCSA. Median: 1 unit(s).

Company Age Distribution
13.8
Avg age
(years)
0–2 Years 34 15.0%
3–5 Years 28 12.4%
6–10 Years 35 15.5%
11–20 Years 69 30.5%
20+ Years 60 26.5%

Based on FMCSA registration date. Average age: 13.8 years.

Company Authority Types
Carrier 203 89.8%
Broker 25 11.1%
Shipper 19 8.4%
Intermodal Equipment Provider 4 1.8%
Freight Forwarder 4 1.8%

A company may hold multiple authority types simultaneously.

Top 10 Cargo Types
# Cargo Type Companies % of City
1 General Freight 125 55.3%
2 Building Materials 74 32.7%
3 Construction 74 32.7%
4 Other 61 27.0%
5 Machinery & Large Objects 60 26.5%
6 Grain, Feed & Hay 58 25.7%
7 Farm Supplies 41 18.1%
8 Dry Bulk Commodities 35 15.5%
9 Motor Vehicles 31 13.7%
10 Metal: Sheets & Coils 29 12.8%
Largest Fleets in Janesville
# Company Fleet
1 WISCONSIN TRANSIT LINES LLC 134
2 OVERLOG INC 90
3 J & P TRANSPORT LLC 50
4 LARSON TRANSPORTATION LLC 45
5 ULF JANESVILLE LLC 38
6 ROCK ROAD COMPANIES INC 33
7 MID-STATE TRANSIT LLC 27
8 BJOIN TRUCKING INC 18
9 SOUTHERN WISCONSIN AGGREGATE CORPORATION 15
10 FORZACK INC 14

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Data source: U.S. Federal Motor Carrier Safety Administration (FMCSA) — active carrier registrations. Last updated: October 14, 2026. Active status reflects carriers with FMCSA status code "A" at the time of data collection.