UNIMARK LOWBOY TRANSPORTATION LLC
USDOT 1604546 • 10801 CORPORATE DRIVE, PLEASANT PRAIRIE, WI, 53158
Overview
Company profile from FMCSA Census File
Risk Signals1 flagged
Signals are auto-detected from FMCSA public records. This is not a regulatory determination.
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Operating Authority
Active Insurance (2)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| ACE AMERICAN INSURANCE COMPANY | BIPD/Primary | ISA H25297660 | ON FILE | Apr 1, 2020 | Dec 19, 2023 |
| RSUI INDEMNITY COMPANY | CARGO | NHQ364595 | ON FILE | Nov 1, 2009 | Dec 28, 2023 |
Insurance History (10 canceled/expired)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| GREENWICH INSURANCE COMPANY | BIPD/Primary | RAD9437771 | REPLACED | Apr 1, 2016 | Apr 1, 2020 |
| THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | BIPD/Primary | 0949-129 | REPLACED | Apr 1, 2011 | Apr 1, 2016 |
| THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | BIPD/Primary | CA 094-91-29 | REPLACED | Apr 1, 2009 | Apr 1, 2009 |
| THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | BIPD/Primary | CA 094-91-29 | NAME CHANGED | Apr 1, 2009 | Jun 7, 2010 |
| THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | BIPD/Primary | CA 094-91-29 | REPLACED | Apr 1, 2009 | Apr 1, 2011 |
| ACE AMERICAN INSURANCE COMPANY | BIPD/Primary | LMT H08246427 | REPLACED | Oct 1, 2008 | Apr 1, 2009 |
| RSUI INDEMNITY COMPANY | CARGO | NHQ355116 | REPLACED | Nov 1, 2007 | Nov 1, 2009 |
| RSUI INDEMNITY COMPANY | CARGO | NHQ355116 | NAME CHANGED | Nov 1, 2007 | Jun 7, 2010 |
| LEXINGTON INSURANCE COMPANY | CARGO | 8755555 | CANCELLED | Nov 1, 2006 | Nov 1, 2007 |
| LIBERTY MUTUAL FIRE INSURANCE CO. | BIPD/Primary | AI2-741-435290-01 | CANCELLED | Oct 1, 2006 | Oct 1, 2008 |
Insurance Events Timeline
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| CANCEL | RSUI INDEMNITY COMPANY | NHQ364595 | CARGO | Dec 28, 2023 | Dec 28, 2023 |
| TERM/REPL | ACE AMERICAN INSURANCE COMPANY | ISA H25297660 | BIPD/Primary | Dec 19, 2023 | Dec 19, 2023 |
| TERM/REPL | GREENWICH INSURANCE COMPANY | RAD9437771 | BIPD/Primary | Apr 1, 2020 | Apr 1, 2020 |
| TERM/REPL | THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | 0949-129 | BIPD/Primary | Apr 1, 2016 | Apr 1, 2016 |
| TERM/REPL | THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | CA 094-91-29 | BIPD/Primary | Apr 1, 2011 | Apr 1, 2011 |
| TERM/CANCL | RSUI INDEMNITY COMPANY | NHQ355116 | CARGO | Jun 7, 2010 | Jun 7, 2010 |
| TERM/CANCL | THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | CA 094-91-29 | BIPD/Primary | Jun 7, 2010 | Jun 7, 2010 |
| TERM/REPL | RSUI INDEMNITY COMPANY | NHQ355116 | CARGO | Nov 1, 2009 | Nov 1, 2009 |
| TERM/REPL | ACE AMERICAN INSURANCE COMPANY | LMT H08246427 | BIPD/Primary | Apr 1, 2009 | Apr 1, 2009 |
| TERM/REPL | THE INSURANCE CO OF THE STATE OF PENNSYLVANIA | CA 094-91-29 | BIPD/Primary | Apr 1, 2009 | Apr 1, 2009 |
| CANCEL | LIBERTY MUTUAL FIRE INSURANCE CO. | AI2-741-435290-01 | BIPD/Primary | Oct 1, 2008 | Oct 1, 2008 |
| CANCEL | LEXINGTON INSURANCE COMPANY | 8755555 | CARGO | Nov 1, 2007 | Nov 1, 2007 |
Authority Action History (7 events)
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC593409 | CONTRACT | INVOLUNTARY REVOCATION | May 5, 2010 | DISCONTINUED REVOCATION | May 11, 2010 |
| MC593409 | COMMON | INVOLUNTARY REVOCATION | May 5, 2010 | DISCONTINUED REVOCATION | May 12, 2010 |
| MC593409 | CONTRACT | INVOLUNTARY REVOCATION | Sep 4, 2008 | DISCONTINUED REVOCATION | Oct 3, 2008 |
| MC593409 | COMMON | INVOLUNTARY REVOCATION | Sep 4, 2008 | DISCONTINUED REVOCATION | Oct 3, 2008 |
| MC593409 | COMMON | INVOLUNTARY REVOCATION | Oct 5, 2007 | DISCONTINUED REVOCATION | Nov 2, 2007 |
| MC593409 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Mar 19, 2007 | — | Unknown |
| MC593409 | MOTOR PROPERTY CONTRACT CARRIER | GRANTED | Mar 8, 2007 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
Inspection Activity Map
34 states • 192 inspections
Violation Summary (92 violations from latest 100 of 192 inspections)
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.2-SLLED | Operating a CMV while ill or fatigued | 7 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 6 | 0 | 8 | Unsafe Driving |
| FMCSR:393.9(a) | Inoperable required lamps | 5 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.8E1PC | HOS - False record of duty status driver improper use of Personal Conveyance - Not OOS | 4 | 0 | — | Hours Of Service |
| FMCSR:392.2-SLLLR | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLS2 | Speeding 6-10 mph over limit | 3 | 0 | 5 | Unsafe Driving |
| FMCSR:392.2-SLLTCD | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:393.11A1-LRR | Lighting devices/reflectors | 2 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 2 | 2 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLEWA1 | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLL | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:393.60C | Glazing/window obstructions | 2 | 0 | 4 | Vehicle Maintenance |
| FMCSR:395.24 | HOS (ELD) - ELD Form and Manner | 2 | 0 | — | Hours Of Service |
| FMCSR:393.51 | Steering wheel free play excessive | 2 | 2 | 6 | Vehicle Maintenance |
| FMCSR:393.11A1-CSURR | Lighting devices/reflectors | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLSOA | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2RG | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG1 | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:391.11B2-Z | Border Zone - Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. | 1 | 0 | — | Driver Fitness |
| FMCSR:392.2-SLLS4 | Speeding 15+ mph over limit | 1 | 0 | 10 | Unsafe Driving |
| FMCSR:393.53B-B | Steering system components worn | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.47E | Slack adjuster defective | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.3A1-BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:395.8E-HOSPDOOS | False record of duty status | 1 | 0 | 10 | Hours Of Service |
| FMCSR:392.2-SLLS1 | Speeding 1-5 mph over limit | 1 | 0 | 3 | Unsafe Driving |
| FMCSR:392.2-SLLMF | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.50B-B | Steering mechanism defective | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.9A-LFTSI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.9A-HLLH | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.22G-ELDMFV | HOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position. | 1 | 0 | — | Hours Of Service |
| FMCSR:395.22H1-ELDNUM | HOS (ELD) - In-Vehicle Information - No user's manual for the driver describing how to operate the ELD. (May be electronic) | 1 | 0 | — | Hours Of Service |
| FMCSR:395.22H2-ELDNISDT | HOS (ELD) Driver failing to have instruction sheet describing the data transfer mechanisms supported by the ELD and step-by-step instructions for the driver to pr | 1 | 0 | — | Hours Of Service |
| FMCSR:395.22H3-ELDMF | HOS (ELD) - In-Vehicle Information - Failing to have an instruction sheet for the driver describing ELD malfunction reporting requirements and recordkeeping proce | 1 | 0 | — | Hours Of Service |
| FMCSR:383.51A-LCDLRSWD | CDL disqualification - major offense | 1 | 1 | 10 | Driver Fitness |
| FMCSR:393.75A3 | Tire-flat and/or audible air leak | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLCP | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.45B2UV | Brake tubing/hoses inadequate | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.9 | Inoperable Required Lamp | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.9A-LIL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.82DUMT | Texting while driving | 1 | 0 | 10 | Unsafe Driving |
| FMCSR:393.11A1-LPLMWR | Lighting devices/reflectors | 1 | 1 | 3 | Vehicle Maintenance |
| FMCSR:392.16-D | Failing to use seat belt (49 CFR) | 1 | 0 | 3 | Unsafe Driving |
| FMCSR:395.22H4-ELDBRODS | HOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status a | 1 | 0 | — | Hours Of Service |
| FMCSR:393.207C-SLSB | Suspension - Leaf spring broken. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.47A-BCFSBD-SA | Brake chamber - cracked/broken | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.9A-LHLI | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.203E-CBP | Cab and Body Parts - Cab front bumper missing/not secured/protruding | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.75A1-TFSMF | Tires - Front sidewall is cut/worn/damaged exposing ply cord | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.203C-CBP | Cab and Body Parts - Hood not securely fastened | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:393.48A-BI-SA | Inoperative/defective brakes | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:396.5B-HWSL | Fuel system leak | 1 | 1 | 7 | Vehicle Maintenance |
| FMCSR:396.5B-L | Fuel system leak | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.70D-CDTSDD | Coupling devices defective | 1 | 1 | 8 | Vehicle Maintenance |
| FMCSR:396.3A1-BALR | Air Brake - Fails air loss rate test | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.71M-CDIASMR | Fifth wheel defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:392.2-SLLS3 | Speeding 11-14 mph over limit | 1 | 0 | 7 | Unsafe Driving |
| FMCSR:392.2-SLLSWZ | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:390.21T(b) | 390.21T(b) | 1 | 0 | — | General/Admin |
| FMCSR:393.24(b) | Lighting/marking on projecting loads | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:395.22(h)(4) | Driver failed to maintain supply of blank drivers records of duty status graph-grids | 1 | 0 | — | Hours Of Service |
| FMCSR:393.75(a)(3) | Tire-flat and/or audible air leak | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:396.3(a)(1) | Inspection/repair/maintenance - general | 1 | 0 | 5 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (192 inspections)
Showing 50 of 192
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
25 crash records from FMCSA Crash File
Crash History (25 records)
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | OH | — | 0 | 0 | ELYRIA | ROUTE 2 HW | — | UNIMARK LOWBOY TRANSPORTATION LLC |
| Feb 3, 2026 | TX | TOW | 0 | 0 | LORENA | IH 35 | ...WY3025 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Dec 1, 2025 | TX | TOW | 0 | 0 | LAREDO | 12000 FM 1472 RD | ...WX7635 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Sep 4, 2025 | OH | TOW | 0 | 0 | MAD RIVER (TOWNSHIP OF) | IR 70 | — | UNIMARK LOWBOY TRANSPORTATION LLC |
| Aug 29, 2025 | MI | TOW | 0 | 0 | FLINT | AVERILL | ...172506 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Aug 24, 2025 | OH | FATAL | 1 | 1 | WOODVILLE (TOWNSHIP OF) | IR 80 | ...058346 | UNIMARK LOWBOY TRANSPORTATION |
| Jul 14, 2025 | TN | FATAL | 2 | 4 | NOT IN CITY LIMIT | I-75 | ...769617 | UNIMARK LOWBOY TRANSPORTA |
| Jul 12, 2025 | GA | INJURY | 0 | 2 | Not Reported | LEGION DRIVE AT GA 80 | ...482979 | UNIMARK LOWBOY TRANSPORTATION LLC |
| May 14, 2025 | MI | TOW | 0 | 0 | GIRARD TWP | N I 69 | ...781432 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Mar 13, 2025 | NC | TOW | 0 | 0 | WINSTON SALEM | 52 | ...F16732 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Jan 20, 2025 | OH | TOW | 0 | 0 | SPRINGFIELD (TOWNSHIP OF) | IR 70 | ...HF0790 | UNIMARK LOWBOY TRANSPORTATION |
| Dec 3, 2024 | WV | INJURY | 0 | 1 | CLARKSBURG | US RT 50, CHESTNUT ST EXIT | ...762207 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Nov 1, 2024 | OH | INJURY | 0 | 2 | THOMPSON (TOWNSHIP OF) | SR 4 | ...786203 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Sep 19, 2024 | OH | TOW | 0 | 0 | PLEASANT (TOWNSHIP OF) | IR 71 | ...AV1716 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Sep 10, 2024 | WI | TOW | 0 | 0 | WISCONSIN RAPIDS | STH 013 SB | ...151715 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Jul 24, 2024 | CA | INJURY | 0 | 1 | SAN BERNARDINO | 34.145916/-117.312833 | ...VU8471 | UNIMARK LOWBOY TRANSPORTATION LLC |
| May 11, 2024 | PA | TOW | 0 | 0 | ANNVILLE TOWNSHIP | ROUTE 0934 N | ...108405 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Apr 30, 2024 | IL | TOW | 0 | 0 | PROVISO TWP | I-294 N/B | ...U58681 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Dec 18, 2023 | GA | INJURY | 0 | 2 | UNINCORPORATED | I 285 CD E AT LOOP RD | ...GP2524 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Dec 10, 2023 | FL | INJURY | 0 | 2 | UNINCORPORATED | I-95 | ...322192 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Nov 24, 2023 | NC | TOW | 0 | 0 | CLAYTON | WALMART | ...NKNOWN | UNIMARK LOWBOY TRANSPORTATION LLC |
| Aug 25, 2023 | GA | TOW | 0 | 0 | MCDONOUGH | HWY 155 NEAR HWY 42 | ...422842 | UNIMARK LOWBOY TRANSPORTATION LLC |
| May 11, 2023 | VA | TOW | 0 | 0 | — | 6450 TECHNOLOGY DR | ...GC0409 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Apr 30, 2023 | VA | INJURY | 0 | 3 | — | INTERSTATE 81 | ...HF6405 | UNIMARK LOWBOY TRANSPORTATION LLC |
| Apr 12, 2023 | NC | TOW | 0 | 0 | CHARLOTTE | 74 | ...055411 | UNIMARK LOWBOY TRANSPORTATION LLC |
Compliance Timeline
39 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Showing most recent 25 of 39 events