Truck Graph
Carrier Directory · Wisconsin · Slinger Metro

Trucking Companies in Slinger, WI

Updated 2026-05-30T03:02:54.893Z·By Sarah Chen, Lead Safety Analyst·Reviewed by James Rodriguez·Methodology v2.1

Slinger, WI has 21 registered for-hire trucking companies as of May 2026, making it one of Wisconsin's largest carrier markets by operating authority count. This figure includes active, inactive, and revoked authorities tracked by the Federal Motor Carrier Safety Administration (FMCSA).

At a glance
Total carriers21
Active authority21
Avg fleet size9.4 units
Risk indicators0
Prior revocations0
StateWisconsin
Data sourceFMCSA
Total carriers
21
Slinger metro
Active authority
21
100.0% of total
Avg fleet
9.4
Power units
Prior revoked
0
On record
Risk indicators
0
Active indicators

Source: FMCSA operating authority and compliance records. Truck Graph analysis. View methodology

Fleet size and equipment distribution

21 carriers broken down by power-unit count and operation type in Slinger, WI.

Fleet size distribution

By registered power-unit count. Source: FMCSA carrier census. View methodology

Operation type breakdown

Classification by carrier operation type and hazmat endorsement status. View methodology

About the Slinger, WI freight market

Slinger, WI is home to 21 registered for-hire motor carriers, of which 21 (100.0%) hold active operating authority as of May 2026. According to FMCSA records, the average fleet size among Slinger carriers is 9.4 power units, reflecting a market dominated by owner-operators and small fleets. The Slinger carrier population contributes to Wisconsin's broader freight economy, which the Bureau of Labor Statistics ranks among the nation's largest by trucking employment.

The fleet composition in Slinger shows 59 single-truck operators (281.0% of all carriers) alongside 0 carriers operating fleets of 101+ power units. Other operations represent the largest segment with 112 carriers. This distribution is consistent with FMCSA's national pattern where approximately 91% of registered carriers operate fewer than 6 power units (FMCSA Industry Snapshot, 2024).

Authority tenure data reveals 1 carriers received new operating authority in the past 6 months, while 51 carriers have maintained continuous authority for 20+ years. New entrants face elevated scrutiny under FMCSA's New Entrant Safety Assurance Program, which mandates an 18-month monitoring period including at least one safety audit. The presence of 0 carriers with prior revocations on record underscores the importance of verifying authority status before tendering freight — a carrier's historical compliance record is publicly available through the FMCSA SAFER System.

Truck Graph identifies 0 active risk indicators among Slinger carriers (0.00% of the population), flagged through cross-referencing authority history, insurance filing patterns, and known chameleon carrier behaviors. The FMCSA defines chameleon carriers as entities that "successively obtain and relinquish operating authority to evade enforcement actions." Shippers and brokers should verify carrier authority, insurance coverage, and safety ratings before every load tender — Truck Graph's Risk Check tool provides instant verification against all available compliance data.

Sources: FMCSA.dot.gov, BLS Trucking Industry Data, FMCSA SAFER System. Data verified as of .

Authority age distribution

Years since initial FMCSA authority grant date. View methodology

Risk and compliance overview

Risk indicators and fleet composition across 21 Slinger carriers.

Fleet size vs carrier count

Carrier population by fleet tier. Source: FMCSA census data. View methodology

Equipment type share

Based on operation type classification and endorsements. View methodology

Key finding
Slinger, WI has 21 registered carriers with 21 (100.0%) holding active authority.

Largest carriers in Slinger, WI

Ranked by fleet size (power units). Top 3 featured. Showing 21 of 21 total carriers.

View all 21 carriers ↓
Featured · Sponsored
15
Hanke Trucking INCActiveEstablished
MC-MC190248DOT-141761Slinger, WI

Hanke Trucking INC has operated for 52.0y with 61 power units and 44 drivers under Contract authority.

Fleet
61
Drivers
44
Auth. age
52.0y
OOS active
None
Featured · Sponsored
12
M A Wolf Trucking INCActiveEstablished
MC-MC163810DOT-223347Slinger, WI

M A Wolf Trucking INC has operated for 43.7y with 57 power units and 32 drivers under Contract authority.

Fleet
57
Drivers
32
Auth. age
43.7y
OOS active
None
Featured · Sponsored
5
A R Tamborino INCActiveEstablished
MC-MC781859DOT-1002949Slinger, WI

A R Tamborino INC has operated for 24.3y with 19 power units and 17 drivers under Common authority.

Fleet
19
Drivers
17
Auth. age
24.3y
OOS active
None
Ranked by fleet size · positions 4–21
4
Gundrum Trucking INCActiveEstablished
MC-MC436986DOT-1045141Slinger, WI

Gundrum Trucking INC has operated for 23.8y with 11 power units and 14 drivers under Contract authority.

Fleet
11
Drivers
14
Auth. age
23.8y
OOS active
None
3
Ntc Of Wisconsin INCActiveEstablished
DOT-1012913Slinger, WI

Ntc Of Wisconsin INC has operated for 24.2y with 8 power units and 9 drivers under Carrier authority.

Fleet
8
Drivers
9
Auth. age
24.2y
OOS active
None
2
John Steger Trucking LLCActiveEstablished
MC-MC176088DOT-247558Slinger, WI

John Steger Trucking LLC has operated for 42.0y with 7 power units and 5 drivers under Contract authority.

Fleet
7
Drivers
5
Auth. age
42.0y
OOS active
None
2
DOT-1042315Slinger, WI

Heartland Construction INC has operated for 23.9y with 6 power units and 8 drivers under Carrier authority.

Fleet
6
Drivers
8
Auth. age
23.9y
OOS active
None
1
MC-MC954686DOT-503813Slinger, WI

Ralph Williams Service LLC has operated for 33.6y with 6 power units and 4 drivers under Common authority.

Fleet
6
Drivers
4
Auth. age
33.6y
OOS active
None
1
Jtk Trucking INCActiveEstablished
MC-MC479534DOT-1203968Slinger, WI

Jtk Trucking INC has operated for 22.4y with 5 power units and 3 drivers under Contract authority.

Fleet
5
Drivers
3
Auth. age
22.4y
OOS active
None
1
DOT-1735122Slinger, WI

Milwaukee Pump & Tank Works INC has operated for 18.3y with 3 power units and 4 drivers under Carrier authority.

Fleet
3
Drivers
4
Auth. age
18.3y
OOS active
None

All Slinger carriers — complete directory

21 carriers total. Page 1 of 1. Sorted by fleet size descending.

#CarrierMC #DOT #FleetAuth. ageTypeSafetyStatus
01Hanke Trucking INC
Slinger, WI
MC1902481417616152.0yDry van
99
Active
02M A Wolf Trucking INC
Slinger, WI
MC1638102233475743.7yDry van
99
Active
03A R Tamborino INC
Slinger, WI
MC78185910029491924.3yDry van
99
Active
04Gundrum Trucking INC
Slinger, WI
MC43698610451411123.8yDry van
99
Active
05Ntc Of Wisconsin INC
Slinger, WI
-1012913824.2yDry van
95
Active
06John Steger Trucking LLC
Slinger, WI
MC176088247558742.0yDry van
95
Active
07Heartland Construction INC
Slinger, WI
-1042315623.9yDry van
95
Active
08Ralph Williams Service LLC
Slinger, WI
MC954686503813633.6yDry van
95
Active
09Jtk Trucking INC
Slinger, WI
MC4795341203968522.4yDry van
95
Active
10Milwaukee Pump & Tank Works INC
Slinger, WI
-1735122318.3yDry van
95
Active
11Blast Craft Service INC
Slinger, WI
-948049325.1yDry van
95
Active
12Kastle West Distributing INC
Slinger, WI
MC708491988638216.3yDry van
95
Active
13Edward H Wolf & Sons INC
Slinger, WI
-1405172220.8yDry van
95
Active
14Source Mountain Supply LLC
Slinger, WI
MC1740759442585111.0yDry van
95
Active
15Trevor Waldo
Slinger, WI
-2567561111.4yDry van
95
Active
16Mayer Trucking LLC
Slinger, WI
MC1769230436583611.3yDry van
95
Active
17American Big Iron Carriers LLC
Slinger, WI
MC222572449607112.6yDry van
95
Active
18Zuern Logistics LLC
Slinger, WI
MC1786751451257710.4yDry van
95
Active
19Rack & Timber Land Services LLC
Slinger, WI
-440675111.1yDry van
95
Active
20Reliant Fire Apparatus INC
Slinger, WI
-1541298119.8yDry van
95
Active
21Captain Dobe Trucking LLC
Slinger, WI
MC1198021356392515.3yDry van
95
Active
Showing 1–25 of 21

Truck Graph carrier directory. Data from FMCSA operating authority records. View methodology

Find Slinger carriers by equipment type

Browse specialized carriers operating in Slinger, WI by trailer and equipment classification.

Flatbed carriers in Slinger
View directory
Dry Van carriers in Slinger
View directory
Refrigerated carriers in Slinger
View directory
Tanker carriers in Slinger
View directory
Intermodal carriers in Slinger
View directory
Hazmat carriers in Slinger
View directory
Car Hauler carriers in Slinger
View directory
Hotshot carriers in Slinger
View directory

Explore the Wisconsin carrier directory

Slinger is one of the top freight markets in Wisconsin. Browse the full Wisconsin trucking company directory to find carriers across all cities, or return to the national carrier index to compare states.

All trucking companies in WisconsinUS carriers by state — full directoryFlatbed carriers in WisconsinRefrigerated carriers in Wisconsin

Nearby freight markets in Wisconsin

Milwaukee
3,944
carriers · WI
Green Bay
1,355
carriers · WI
Madison
947
carriers · WI
Appleton
754
carriers · WI
Waukesha
655
carriers · WI
Eau Claire
593
carriers · WI
Related carriers
Freight intelligence
Equipment markets
Frequently asked

Slinger trucking questions

Answers verified against FMCSA records.

How many trucking companies are in Slinger, Wisconsin?

Slinger, WI has 21 registered for-hire motor carriers as of May 2026. Of these, 21 hold active operating authority from the FMCSA.

What is the average fleet size in Slinger?

The average fleet size among Slinger carriers is 9.4 power units. Approximately 59 carriers operate a single truck, while 0 operate fleets of 101+ units.

How many Slinger carriers have risk indicators?

Truck Graph identifies 0 active risk indicators among Slinger-based carriers. These indicators are derived from authority history patterns, insurance filing anomalies, and known chameleon carrier behaviors.

How do I verify a Slinger trucking company?

Use Truck Graph's DOT Lookup tool to instantly verify any carrier's authority status, insurance coverage, and safety record. You can also check the FMCSA SAFER System directly at safer.fmcsa.dot.gov.

What types of trucking companies operate in Slinger?

Slinger's carrier population includes other, dry van / mixed operations. The market serves general freight, specialized, and regional distribution needs.

Is Truck Graph data reliable?

Truck Graph compiles data from FMCSA authority records, insurance filings, inspection histories, and crash reports. Data refreshes continuously from verified federal sources. All 21 Slinger carriers are cross-referenced against multiple compliance databases.

Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Trucking Companies in Slinger, WI. Retrieved from https://truckgraph.com/carriers/wisconsin/slinger
MLA
"Trucking Companies in Slinger, WI." Truck Graph, May 30, 2026, https://truckgraph.com/carriers/wisconsin/slinger
Chicago
"Trucking Companies in Slinger, WI." Truck Graph. Last modified May 30, 2026. https://truckgraph.com/carriers/wisconsin/slinger
SC
Sarah Chen
Lead Safety Analyst · 12 years freight intelligence
JR
James Rodriguez
Risk Analysis Editor
Last editorial review
Methodology v2.1 →