EXTREME MATERIALS INC
DBA: KNIGHTS TRUCKING
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Power Units
38
Drivers
38
Trailers
29
Annual Miles
Locked
Entity Type
N/A
MCS-150 Date
Feb 10, 2025
Out of Service
No
About EXTREME MATERIALS INC
Family-owned since 1969, Knight's Companies specializes in manufacturing, delivering, and installing septic systems, pre-mixed and precast concrete, and offers trucking and concrete pumping services. The company operates throughout South Carolina, North Carolina, and Georgia, maintaining high standards through certified quality control workers and engineers.
Key Features
Risk Signals — EXTREME MATERIALS INC
Full risk analysis — historical patterns, fraud connections, financial signals — runs when you… unlock for full analysis
Authority for sale
No active listings detected…
Equipment for sale
2 fleet VINs listed — routine for fleet size…
Financial risk
Analyzed in the full report…
Fraud signals
Connection analysis in the full report…
Historical patterns
Pattern analysis runs when you unlock the report…
Recent activity
No adverse news in 90 days…
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Related Companies2 found
Who this carrier is linked to and how — shared officers, common addresses, and entities under the same ownership.
Service RegionsActive in 2 states
Full state-by-state operating volumes, inspection locations, and lane coverage analysis.
CSA Safety Scores5 BASICs
5 BASICs measured
Percentile rankings pending FMCSA publication — raw measures + violations available in the report.
Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot.
Inspection History10 in 90 days
Most recent
Jun 11, 2026 · SC
Clean rate (90d)
17%
Every inspection with date, location, level, violations found, and out-of-service results.
Inspection Summary
Recent Inspections (90 Days)
10
Vehicle OOS Rate
0%
0 of 10
National avg ~21%
Driver OOS Rate
0%
0 of 10
National avg ~5%
OOS Inspections
0
Driver + Vehicle OOS
Crash Summary
Total Crashes
24
All time
Fatalities
0
Injuries
14
Tow-Away
22
Operating Authority
Common Authority
Holds Active Authority(14.4 years)
Contract Authority
No Authority
Broker Authority
No Authority
Insurance & Coverage
BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names — included in the vetting report.
Contact Information
Physical Address
SUMMERVILLE, SC 29483
Cargo & Operations
Cargo Carried
Violations by Category118 total
Most common category
General Safety · 49% of violations
across 6 categories
Full violation breakdown by category, out-of-service rates, and historical trends over time.
Fleet Analytics51 trucks
Top manufacturers
Sample units
Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.
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