EXTREME MATERIALS INC
USDOT 1905971 • DBA: KNIGHTS TRUCKING • 480 HODGE ROAD, SUMMERVILLE, SC, 29483
ACTIVEMotor Carrier
Authority:1 active
Insurance:1 current
BOC-3:On file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None
Overview
Company profile from FMCSA Census File
USDOT
1,905,971
Status
ACTIVE
Operation
Interstate
Business Type
Motor Carrier
State
Phone
8438217600
Email
Power Units (MCS-150)
38
Drivers (MCS-150)
38
MCS-150 Mileage
2,143,000
BOC-3 Agent
Physical Address
480 HODGE ROAD, SUMMERVILLE, SC, 29483
Mailing Address
PO BOX 3408, SUMMERVILLE, SC, 29484
Contact
Phone: 8438217600
Email: [email protected]
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Common Carrier — Active
Active Authority
1
Revoked / Inactive
0
Authority Types
2
Insurance Policies
1 active
Latest: Jan 20, 2012
BOC-3 Filing
On file
Operating Authority
fmcsa-authhistApr 5, 2026
Active Insurance (1)
fmcsa-insurApr 5, 2026
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. | BIPD/Primary | AX90664059 | ON FILE | Jan 20, 2012 | Mar 1, 2017 |
Insurance History (1 canceled/expired)
fmcsa-inshist-allwithhistory
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. | BIPD/Primary | AX9 0664059 | CANCELLED | May 11, 2010 | Nov 27, 2010 |
Insurance Events Timeline
fmcsa-insur-hist
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| TERM/REPL | PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. | AX90664059 | BIPD/Primary | Mar 1, 2017 | Mar 1, 2017 |
| CANCEL | PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. | AX9 0664059 | BIPD/Primary | Nov 27, 2010 | Nov 27, 2010 |
Authority Action History (3 events)
fmcsa-authhist-blob
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC699110 | COMMON | INVOLUNTARY REVOCATION | Sep 29, 2023 | DISCONTINUED REVOCATION | Nov 22, 2023 |
| MC699110 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Feb 3, 2012 | — | Unknown |
| MC699110 | MOTOR PROPERTY CONTRACT CARRIER | DISMISSED | Jan 27, 2010 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Driver Fitness
N/A
Hours of Service
N/A
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspections
138
Violations
123
9 OOS
Vehicle OOS %
8.0%
Driver OOS %
0.0%
Power Units (MCS-150)
38
Drivers (MCS-150)
38
Crash Records
23
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
1
May
7
Jun
7
Jul
5
Aug
2
Sep
3
Oct
8
Nov
1
Dec
3
Jan
5
Feb
3
Mar
5
Apr
6
May
1
Jun
4
Jul
3
Aug
6
Sep
4
Oct
3
Nov
4
Dec
2
Jan
5
Feb
6
Mar
1
Apr
Clean monthMonth with OOSBased on latest 100 of 138 inspection records
Inspection Activity Map
2 states • 138 inspections
None Low Medium High🚛 Home base
Violation Summary (123 violations from latest 100 of 138 inspections)
fmcsa-inspection-file
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 28 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG3 | Operating a CMV while ill or fatigued | 13 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG2 | Operating a CMV while ill or fatigued | 9 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 7 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWA3 | Operating a CMV while ill or fatigued | 5 | 0 | 8 | Unsafe Driving |
| FMCSR:396.17C-PI | No proof of periodic inspection | 5 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.78A-WS | Windshield condition defective | 4 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 4 | 4 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLEWA2 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWA1 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWPB | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLSIV | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2WG | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLEWG1 | Operating a CMV while ill or fatigued | 3 | 0 | 8 | Unsafe Driving |
| FMCSR:393.60D | Glazing/window obstructions | 3 | 0 | 4 | Vehicle Maintenance |
| FMCSR:392.2-SLLS1 | Speeding 1-5 mph over limit | 3 | 0 | 3 | Unsafe Driving |
| FMCSR:393.9(a) | Inoperable required lamps | 3 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLLR | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:393.9A-LIL | Inoperable required lamps | 2 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.100B-C | Cargo securement - aggregate working load | 2 | 2 | 6 | Vehicle Maintenance |
| FMCSR:393.78 | Windshield condition defective | 2 | 0 | 4 | Vehicle Maintenance |
| FMCSR:393.75(a)(3) | Tire-flat and/or audible air leak | 2 | 2 | — | Vehicle Maintenance |
| fmcsr:2-SLLEWG3 | 2-SLLEWG3 | 1 | 0 | — | — |
| FMCSR:392.2-SLLIRP | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.9A-LSLIWR | Inoperable required lamps | 1 | 1 | 3 | Vehicle Maintenance |
| FMCSR:393.9A-HLLH | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.9A-LCL | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLEQP | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLTR | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.55D1-B | Coupling device/towing methods defective | 1 | 0 | 8 | Vehicle Maintenance |
| FMCSR:396.3A1-OAL | Other - Any air leak not attributed to the brake or suspension system. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:392.2-SLLTCD | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:393.95(a) | Emergency equipment - fire extinguisher missing/defective | 1 | 0 | 5 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
Vehicle OOS Rate
8.0%vs nat'l 23.4%
-15.4 pts below avg
Driver OOS Rate
0.0%vs nat'l 6.7%
-6.7 pts below avg
Violations / Inspection
1.23vs nat'l 1.80
-0.57 below avg
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (138 inspections)
Showing 50 of 138
fmcsa-inspectionsApr 5, 2026
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
96 total · 7.3% OOS
2024-042026-04
InspectionsOOS
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
23 crash records from FMCSA Crash File
Total Crashes
23
Fatalities
0
Injuries
14
Across 10 crashes
Tow-Aways
21
Crash History (23 records)
fmcsa-crash-fileApr 5, 2026
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Feb 6, 2026 | SC | INJURY | 0 | 1 | SUMMERVILLE | JEDBURG RD | ...087242 | EXTREME MATERIALS INC |
| Jun 26, 2025 | SC | TOW | 0 | 0 | NORTH CHARLESTON | 216WB | ...303044 | EXTREME MATERIALS INC |
| Aug 19, 2024 | SC | TOW | 0 | 0 | BLUFFTON | OKATIE HWY | ...467819 | KNIGHTS TRUCKING |
| Oct 19, 2023 | GA | TOW | 0 | 0 | SAVANNAH | W OGLETHORPE AVE AT MARTIN LUTHER KING JR BLVD | ...007899 | EXTREME MATERIALS INC |
| May 15, 2023 | SC | TOW | 0 | 0 | SUMMERVILLE | 78 | ...303040 | KNIGHTS TRUCKING |
| Jan 9, 2023 | SC | TOW | 0 | 0 | HARDEEVILLE | ARGENT BLVD | ...458782 | KNIGHTS TRUCKING |
| Apr 22, 2022 | SC | TOW | 0 | 0 | OKATIE | OKATIE HIGHWAY | ...087244 | KNIGHTS TRUCKING |
| Feb 18, 2022 | SC | INJURY | 0 | 1 | HARDEEVILLE | JASPER HWY | ...836169 | EXTREME MATERIALS INC |
| Apr 23, 2021 | SC | INJURY | 0 | 2 | SUMMERVILLE | US78 | ...015490 | KNIGHTS TRUCKING |
| Mar 2, 2021 | SC | TOW | 0 | 0 | AWENDAW | 17 | ...017447 | KNIGHTS TRUCKING |
| Jun 12, 2020 | SC | TOW | 0 | 0 | — | — | — | — |
| Feb 12, 2020 | SC | INJURY | 0 | 1 | — | — | — | — |
| Jun 3, 2019 | SC | INJURY | 0 | 2 | — | — | — | — |
| Mar 13, 2019 | SC | TOW | 0 | 0 | — | — | — | — |
| Feb 4, 2019 | SC | INJURY | 0 | 1 | — | — | — | — |
| Sep 19, 2017 | SC | TOW | 0 | 0 | — | — | — | — |
| Jun 14, 2017 | SC | TOW | 0 | 0 | — | — | — | — |
| Feb 10, 2017 | SC | TOW | 0 | 0 | — | — | — | — |
| Oct 26, 2015 | SC | INJURY | 0 | 3 | — | — | — | — |
| Aug 5, 2015 | SC | TOW | 0 | 0 | — | — | — | — |
| Nov 1, 2014 | SC | INJURY | 0 | 1 | — | — | — | — |
| Oct 19, 2010 | SC | INJURY | 0 | 1 | — | — | — | — |
| Mar 12, 2009 | SC | INJURY | 0 | 1 | — | — | — | — |
Compliance Timeline
26 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Mar 1, 2017
InsuranceInsurance term/repl
PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. • BIPD/Primary
Nov 27, 2010
InsuranceInsurance cancel
PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. • BIPD/Primary
Showing most recent 25 of 26 events
Related Records
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CityEntities in SUMMERVILLE, SC
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AuthorityMC-699110 Certificate
Common Carrier — Download free PDF
Crashes23 crash records
FMCSA Crash File
Inspections138 inspection records
Full inspection history
StationI-26 WB ROADSIDE
12 inspections at this station
StationWEST COLUMBIA SC
11 inspections at this station
StationLEXINGTON SC
11 inspections at this station
BOC-3 Agent#1 A $20 BOC-3 FILING LLC
Process agent on file
InsurerPENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO.
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Refresh dataLast updated: Apr 5, 2026