SV

SHAMROCK VACUUM SERVICE INC

CarrierIntel Score: 66/100. 12 inspection violations in the past 12 months. Updated Oct 2026.

DOT 1285243MC 579917ActiveMotor CarrierInterstateGREAT DIVIDE INSURANCE COMPANY +1LIBERTY, TX

COMPANY

Authority since
2011-02-22
MCS-150
2026-02-04 · 1,340,000 mi (2025)
Fleet
40 units · 31 trailers · 23 drivers
Annual mileage (VMT)
1,340,000 mi (2025)

ADDRESS

Physical
11616 HWY 90 EAST
LIBERTY, TX 77575
Mailing
PO BOX 476
DAISETTA, TX 77533

CONTACT

Phone
9363348100
Email
bailie@shamrockvacuum.com

OFFICERS

Primary Officer
LANCE CARR
Title
PRESIDENT

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
4
Liquids / GasesOilfield EquipmentChemicalsOther: OILFIELD FLUIDS
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
239 mo
Active authority
INSURANCE
2 active
GREAT DIVIDE INSURANCE COMPANY
RISK GRADE
Minimal Risk
2 risk factors · 4 strengths
OOS RATE
5.9%
1 / 17 inspections

CarrierIntel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

66
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Minimal Risk

2 risk factors · 4 strengths · 6 data points

SAFETY PERFORMANCE

Crash Record
30 crashes · 0 fatal · 17 with injuries · 26 tow-away
Clean Inspection Rate
94% — 16 clean of 17 inspections
Out-of-Service Rate
5.9% — driver OOS 0 insp., vehicle OOS 1 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
7 historical event(s) on file
MCS-150 Filing
Last filed 2026-02-04

INSURANCE

Active Coverage
2 policy(ies) on file · total max coverage $3,000,000

SUMMARY

6.3 crashes per 100 trucks/yr
4 injury crashes in the last 24 months
Low OOS rate 8% (last 24 mo)
94% clean inspections
Active insurance on file
Coverage $3.0M

Other motor carriers in Liberty, TX

All carriers in Liberty, TX →

More carriers in Texas