CS
CONSTRUCTION SPECIALTIES INC
CarrierIntel Score: 81/100. No inspection violations in the past 12 months. Updated Oct 2026.
DOT 808045ActiveInterstateDEL RIO, TX
COMPANY
Authority since
—
MCS-150
2026-05-13 · 23,400 mi (2025)
Fleet
3 units · — trailers · 2 drivers
Annual mileage (VMT)
23,400 mi (2025)
ADDRESS
Physical
107 INDUSTRIAL BLVD
DEL RIO, TX 78840-8502
DEL RIO, TX 78840-8502
Mailing
Same as physical
CONTACT
Phone
9088494700
Email
nperez@c-sgroup.com
OFFICERS
Primary Officer
DARREL RENFROW
Title
GENERAL MANAGER
Email
drenfrow@c-sgroup.com
Phone
+1 (908) 849-4148
OPERATION & CARGO
Operation classification
Private Property
Specialty
Tanker / Bulk Liquids
Cargo types
7
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, LumberMachinery, Large ObjectsChemicalsPaper ProductsOther: FABRICS
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
330 mo
Since USDOT registration
INSURANCE
Verification needed
No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 3 strengths
OOS RATE
12.9%
4 / 31 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
81
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 3 strengths · 4 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
87% — 27 clean of 31 inspections
Out-of-Service Rate
12.9% — driver OOS 0 insp., vehicle OOS 4 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 2026-05-13
INSURANCE
Active Coverage
Verification needed — No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
SUMMARY
No crashes in the last 24 months
Low violation rate (0.3/insp)
87% clean inspections
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