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STEEL ROCK SERVICES LLC

DOT 4107596MC 1568254ActiveInterstateTrumbull Insurance CompanyLAUREL, MS

COMPANY

Authority since
2023-11-07
MCS-150
2025-07-09 · 596,543 mi (2024)
Fleet
29 units · — trailers · 9 drivers
Annual mileage (VMT)
596,543 mi (2024)
Owner origin
Anglosphere
Origin candidates
English 75%

ADDRESS

Physical
1304 HILLCREST DR
LAUREL, MS 39440
Mailing
Same as physical

CONTACT

Phone
6017787179
Email
jonathan@steelrockservices.com

OFFICERS

Primary Officer
JONATHAN BROWNLEE
Title
SAFETY DIRECTOR
Origin
Anglosphere

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
Heavy Haul / Oilfield
Cargo types
2
Machinery, Large ObjectsOther: OIL FIELD EQUIPMENT
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
34 mo
Active authority
INSURANCE
1 active
Trumbull Insurance Company
RISK GRADE
Elevated Risk
3 risk factors · 3 strengths
OOS RATE
46.7%
7 / 15 inspections

Fleet vs Reality

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

Elevated Risk

3 risk factors · 3 strengths · 6 data points

SAFETY PERFORMANCE

Crash Record
3 crashes · 1 fatal · 2 with injuries · 3 tow-away
Clean Inspection Rate
53% — 8 clean of 15 inspections
Out-of-Service Rate
46.7% — driver OOS 2, vehicle OOS 6

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
4 historical event(s) on file
MCS-150 Filing
Last filed 2025-07-09

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $1,000,000

SUMMARY

1 fatal crash — most recent 2 yr ago
Severe OOS rate 50% (last 24 mo)
2.5 violations per inspection
Low crash rate (3.4 per 100 trucks/yr)
Active insurance on file
Coverage $1.0M

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