Carrierintel
SI

SOUTHLAND INSULATORS INC

Carrierintel Safety Score: 69/100. 5 inspection violations in 12 months. Last inspected Jul 2026.

DOT 549452ActiveInterstateMANASSAS, VA

COMPANY

Authority since
—
MCS-150
2025-03-05 · 480,000 mi (2024)
Fleet
48 units · — trailers · 48 drivers
Annual mileage (VMT)
480,000 mi (2024)

ADDRESS

Physical
8521 QUARRY RD
MANASSAS, VA 20110
Mailing
Same as physical

CONTACT

Phone
7033681965
Email
sletcher@southlandinsulators.com

OFFICERS

Primary Officer
SCOTT LETCHER
Title
VP

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
2
Building MaterialsConstruction
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
393 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 1 strengths
OOS RATE
16.7%
1 / 6 inspections

Carrierintel Safety Score

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

69
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
48 power units
Unique power units seen
3
Inspections
3
Discrepancy
0.1x

Minimal Risk

0 risk factors · 1 strengths · 2 data points

SAFETY PERFORMANCE

Crash Record
18 crashes · 0 fatal · 8 with injuries · 16 tow-away
Clean Inspection Rate
83% — 5 clean of 6 inspections
Out-of-Service Rate
16.7% — driver OOS 1 insp., vehicle OOS 0 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-03-05

INSURANCE

Active Coverage
Insurance not verified — Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.

SUMMARY

Low crash rate (2.1 per 100 trucks/yr)

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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