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UNIMARK LOWBOY TRANSPORTATION LLC

DOT# 1604546 MC# 593409CARRIER
ACTIVE

Trust Score

86 / 100
B Good

Components

Compliance · 40% 100
Safety · 35% 70
Insurance · 25% 85
2 reported fatal crash(es) No active cargo insurance on file
Confidence: high · based on FMCSA safety, insurance & authority data How is this calculated?

Overview

Address

10801 CORPORATE DRIVE

PLEASANT PRAIRIE, WI 53158

View on Google Maps ↗

Contact

Phone: (262) 564-7282

Email: compliance@atctransportation.com

Company Officers

STEPHANIE JOHNSTON

MIKE SMITH

Business Info

D&B #: 0

HazMat: HazMat Carrier

Fleet

154

Power Units

163

Drivers

Equipment Breakdown

Owned Tractors5
Term Tractors72
Term Trailers37

Authority

Status: ACTIVE

FMCSA add date: Feb 6, 2007

Common authority: Mar 19, 2007

Contract authority: Mar 8, 2007

Authority History (7)

Authority TypeActionDate
CONTRACTINVOLUNTARY REVOCATION → DISCONTINUED REVOCATIONMay 5, 2010 → May 11, 2010
COMMONINVOLUNTARY REVOCATION → DISCONTINUED REVOCATIONMay 5, 2010 → May 12, 2010
COMMONINVOLUNTARY REVOCATION → DISCONTINUED REVOCATIONSep 4, 2008 → Oct 3, 2008
CONTRACTINVOLUNTARY REVOCATION → DISCONTINUED REVOCATIONSep 4, 2008 → Oct 3, 2008
COMMONINVOLUNTARY REVOCATION → DISCONTINUED REVOCATIONOct 5, 2007 → Nov 2, 2007
MOTOR PROPERTY COMMON CARRIERGRANTEDMar 19, 2007
MOTOR PROPERTY CONTRACT CARRIERGRANTEDMar 8, 2007

Cargo Types

Motor VehiclesDrive-Away/Tow-Away

Active Certifications

Property

MCS-150

Last updated: Jun 24, 2026

Mileage: 9,113,256 (2025)

Operation Classification

AUTHORIZED FOR HIRE

Carrier Operation

Interstate

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Recent Changes

Safetyfatal crashes: 2 → 0Aug 1, 2026
Safetytotal crashes: 16 → 15Jul 25, 2026
Identitycompany officer 1: → STEPHANIE JOHNSTONJul 20, 2026
Fleettotal drivers: 130 → 163Jun 27, 2026
Contacttelephone: → 2625647282Jun 22, 2026

Safety

Out-of-Service Rates

Driver80 inspections
0.0%
6.1%
Carrier National avg
Vehicle40 inspections
12.5%
22.8%
Carrier National avg
Hazmat

No hazmat inspections

Overall80 inspections
6.3%
Carrier

Crash Summary

2

Fatal

5

Injury

15.0

per 1M miles

15

Towaway

15

Total

BASIC Violations

Unsafe Driving28
Driver Fitness1
Hours of Service6
Drug / Alcohol0
Vehicle Maintenance25

Safety Measurement System (SMS)

FMCSA's official per-BASIC roadside-performance measures over the trailing 24 months, computed from the 108 inspections below. A measure of 0 means no recorded violations in that BASIC — not necessarily a strong safety record on a small sample. FMCSA does not publish peer-group percentiles for property carriers, so the underlying measures — not percentile rankings — are shown; Hazmat Compliance and Crash Indicator are not published.

SMS Inspections (24 mo)

108

Total

1

Driver OOS

10

Vehicle OOS

BASIC Measures

Unsafe Driving1.2816 insp w/ viol
Hours of Service0.227 insp w/ viol
Driver Fitness0.041 insp w/ viol
Controlled Substances0.000 insp w/ viol
Vehicle Maintenance3.1517 insp w/ viol

Insurance

1 policy on file1 active
TypeStatusInsurerPolicy #CoverageEffectiveExpiresForm
BIPD Active LIBERTY MUTUAL INSURANCE CO.016242671—Dec 19, 2023—82

Insurance History (12)

TypeInsurerStatusCoverageEffectiveCancelled
BIPD · F91XACE AMERICAN INSURANCE COMPANYReplacedTERM/REPL$1,000,000Apr 1, 2020Dec 19, 2023
BIPD · F91XGREENWICH INSURANCE COMPANYReplacedTERM/REPL$1,000,000Apr 1, 2016Apr 1, 2020
BIPD · F91XTHE INSURANCE CO OF THE STATE OF PENNSYLVANIAReplacedTERM/REPL$1,000,000Apr 1, 2011Apr 1, 2016
CARGO · F34RSUI INDEMNITY COMPANYCancelledCANCEL$1,000,000Nov 1, 2009Dec 28, 2023
BIPD · F91XTHE INSURANCE CO OF THE STATE OF PENNSYLVANIAName ChangedTERM/CANCL$1,000,000Apr 1, 2009Jun 7, 2010
BIPD · F91XTHE INSURANCE CO OF THE STATE OF PENNSYLVANIAReplacedTERM/REPL$1,000,000Apr 1, 2009Apr 1, 2011
BIPD · F91XTHE INSURANCE CO OF THE STATE OF PENNSYLVANIAReplacedTERM/REPL$1,000,000Apr 1, 2009Apr 1, 2009
BIPD · F91XACE AMERICAN INSURANCE COMPANYReplacedTERM/REPL$1,000,000Oct 1, 2008Apr 1, 2009
CARGO · F34RSUI INDEMNITY COMPANYName ChangedTERM/CANCL$1,000,000Nov 1, 2007Jun 7, 2010
CARGO · F34RSUI INDEMNITY COMPANYReplacedTERM/REPL$1,000,000Nov 1, 2007Nov 1, 2009
CARGO · F34LEXINGTON INSURANCE COMPANYCancelledCANCEL$1,000,000Nov 1, 2006Nov 1, 2007
BIPD · F91XLIBERTY MUTUAL FIRE INSURANCE CO.CancelledCANCEL$1,000,000Oct 1, 2006Oct 1, 2008

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