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SHAMROCK VACUUM SERVICE INC
Liberty, TX
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active & Authorized · DOT 1285243 · MC 579917
Satisfactory
Active 15 yrs, 6 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-579917 · Common carrier
Insurance
On File
Obsidian Specialty Insurance Company
Safety
Satisfactory
7.1% OOS · 17 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 15 yrs, 6 mo
- Insurance on file: $2,000,000
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 7.7% — below the 20.7% national average
- 17 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC579917
Contract Carrier
Insurance on File
OBSIDIAN SPECIALTY INSURANCE COMPANY
BI&PD · $2,000,000 · Policy AWDXS-00000055-00
GREAT DIVIDE INSURANCE COMPANY
BI&PD · $1,000,000 · Policy BAP2025331-18
Required Filings
Liability (BIPD)
$3,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
1285243
MC Number
MC-579917
Safety Rating
Satisfactory
Operation Classification
Authorized for hire
MCS-150 Filed
February 4, 2026
FMCSA Registration
September 14, 2004
Authority Reinstated
February 22, 2011
Annual Mileage
1,340,000 mi (2025)
Contact Information
Address
11616 Hwy 90 East, Liberty, TX 77575
Phone
Email
Owner / Officer
Bailie Leon
Officer 2
Lance Carr
Cargo Types
Liquids/GasesOilfield EquipmentChemicalsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
17
Driver Inspections
2
Vehicle Inspections
16
Out-of-Service Violations
1
Violations by Category
Vehicle Maintenance15
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate7.7% · national avg 20.7%
✓ Below national average
7.1% of 14 inspections in the last 24 months put a driver or vehicle out of service —
17th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
9 of 14 inspections
Unsafe Driving
0 of 15 inspections
Hours of Service
0 of 15 inspections
Driver Fitness
0 of 15 inspections
Controlled Substances
0 of 15 inspections
Crash History (3)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
3
Crashes
0
Fatalities
2
Injuries
2
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| October 13, 2025 | TX | — | — | Yes | No Adverse Conditions · Daylight · Dry |
| July 1, 2025 | TX | — | 1 | — | No Adverse Conditions · Daylight · Dry |
| June 28, 2025 | TX | — | 1 | Yes | No Adverse Conditions · Dawn · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
TX16
LA1
Fleet & Equipment (25)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~15
of 40 reported to FMCSA
Trailers
~10
seen at inspection
Equipment types observed
Tractor
13
Tank
8
Semi-trailer
2
Truck
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2014 Mack CHU (Pinnacle) | Tractor · Class 8 | 1M1AN07Y5EM015661 | 2 | 1 |
| 2020 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GYXLM004394 | 2 | — |
| 2019 Dragon Esp | Tank · 42 ft | 1UNST4222KL153470 | 2 | — |
| Drag | Semi-trailer | 1UNST42244L029042 | 2 | — |
| 2019 Freightliner M2 | Truck · Class 8 | 1FVHCYFE6KHKH8238 | 1 | — |
| 2016 Mack CHU (Pinnacle) | Tractor · Class 8 | 1M1AN07Y0GM022939 | 1 | — |
| 2016 Mack CHU (Pinnacle) | Tractor · Class 8 | 1M1AN07Y7GM022937 | 1 | — |
| 2019 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GY1KM001382 | 1 | — |
| 2020 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GY2LM005300 | 1 | — |
| 2019 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GY8KM001380 | 1 | — |
Show all 25 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2020 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GYXLM005299 | 1 | — |
| 2022 Mack Pinnacle | Tractor · Class 8 | 1M1PN4GYXNM009520 | 1 | — |
| Ranc | Semi-trailer | 1R9ESB5027L008917 | 1 | 1 |
| 2005 Dragon Products | Tank · 42 ft | 1UNST42225L029090 | 1 | — |
| 2009 Dragon Products | Tank · 42 ft | 1UNST42249L068494 | 1 | — |
| 2005 Dragon Products | Tank · 42 ft | 1UNST42255L033313 | 1 | — |
| 2019 Dragon Esp | Tank · 42 ft | 1UNST4225KL153558 | 1 | — |
| 2008 Dragon Products | Tank · 42 ft | 1UNST42268L063957 | 1 | — |
| 2019 Dragon Esp | Tank · 42 ft | 1UNST4227KS174143 | 1 | — |
| 2026 Dragon Esp | Tank · 42 ft | 1UNST422XTL213044 | 1 | — |
| 2007 Peterbilt 379 | Tractor · Class 8 | 1XP5DB9X47D660386 | 1 | — |
| 2019 Peterbilt 567 | Tractor · Class 8 | 1XPCDP9X0KD634946 | 1 | — |
| 2009 Peterbilt 388 | Tractor · Class 8 | 1XPWD49X49D771555 | 1 | — |
| 2018 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X7JD462347 | 1 | — |
| 2012 Peterbilt 348 | Truck · Class 8 | 2NP3LN9XXCM160906 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (17)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| June 10, 2026 | V262372841 | LAT:30¿¿ 31' 28.86N, TX | II | — | — | SHAMROCK VACUUM SERVICE INC | Truck Tractor Trailer |
MACK DRAGON PRODUCTS |
1M1PN4GY8KM001380 1UNST42268L063957 |
TX 1M29242 TX 024C984 |
| June 4, 2026 | V262396246 | US287, TX | II | 2 | — | WILBER BALKY | Truck Tractor Semi-trailer |
MACK DRAG |
1M1AN07Y0GM022939 1UNST42244L029042 |
TX 1L55802 TX 025B206 |
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.55C1 | Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system | Brakes All Others | ||||||||
| May 5, 2026 | V262349430 | IH10 WB WINNIE SCALE, TX | II | — | — | NONE | Truck Tractor |
MACK |
1M1PN4GYXLM005299 |
TX 1M29276 |
| May 5, 2026 | V262284165 | IH10 WB WINNIE SCALE, TX | II | — | — | SHAMROCK VACUUM SERVICE INC | Truck Tractor |
MACK |
1M1PN4GY2LM005300 |
TX 1M29275 |
| April 14, 2026 | V262315458 | IH10 EB BROOKSHIRE SCALE, TX | I | 1 | — | XX | Truck Tractor |
FREIGHTLINER |
1FVHCYFE6KHKH8238 |
TX WLZ2165 |
| 393.11 | No or defective lighting devices or reflective material as required | Reflective Sheeting | ||||||||
| February 19, 2026 | LAPZS00898 | ALEXANDRIA LA | III | — | — | — | Truck Tractor Semi-trailer |
PETERBILT DRAGON ESP |
1XPWD49X49D771555 1UNST422XTL213044 |
TX 1L98503 TX 025B374 |
| February 9, 2026 | V262226186 | LAT:31¿¿46'16.57"N, TX | II | 1 | — | SHAMROCK VACCUM SERVICES | Truck Tractor Semi-trailer |
MACK DRAGON ESP |
1M1PN4GYXLM004394 1UNST4222KL153470 |
TX 1M29266 TX 025B340 |
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| December 25, 2025 | V252143379 | US 59 7 OAKS, TX | II | 1 | — | RIG SITE | Truck Tractor Semi-trailer |
MACK DRAGON PRODUCTS |
1M1AN07Y7GM022937 1UNST42255L033313 |
TX 1L98642 TX 025B139 |
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| November 13, 2025 | V252116707 | LAT:31 46'40.17"N, TX | II | 7 | — | ENERGY TRANSFER FUEL LP | Truck Tractor Semi-trailer |
PETERBILT DRAGON PRODUCTS |
1XPCDP9X0KD634946 1UNST42225L029090 |
TX 1N23155 TX 024C979 |
| 392.8 | Failing to inspect/use emergency equipment | Emergency Equipment | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| October 17, 2025 | V252081700 | 218M IH45 SB, TX | II | 2 | — | EXXON MOBILE PIPELINE CO | Truck Tractor Semi-trailer |
PETERBILT DRAGON PRODUCTS |
1XP5DB9X47D660386 1UNST42249L068494 |
TX 1L98526 TX X66429 |
| 393.55C1 | Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system | Brakes All Others | ||||||||
| 396.3A1B | Brakes (general) Explain: | Brakes All Others | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| WILBER BALKY | 1 | June 4, 2026 |
| SHAMROCK VACCUM SERVICES | 1 | February 9, 2026 |
| RIG SITE | 1 | December 25, 2025 |
| ENERGY TRANSFER FUEL LP | 1 | November 13, 2025 |
| EXXON MOBILE PIPELINE CO | 1 | October 17, 2025 |
| EXXON | 1 | June 14, 2024 |
| PURESALT | 1 | May 15, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| February 6, 2014 | INVOLUNTARY REVOCATION | Contract |
| February 3, 2012 | INVOLUNTARY REVOCATION | Contract |
| February 22, 2011 | REINSTATED | Contract Carrier |
| February 14, 2011 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| February 6, 2025 | BI&PD Primary/Excess | On file |
| February 6, 2026 | BI&PD Primary/Excess | On file |
| January 10, 2011 | CONTRACT | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 20, 2026.
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