EXTREME MATERIALS INC

DOT# 1905971 MC# 699110CARRIER

ACTIVE

Trust Score

90 / 100

A Excellent

Components

Compliance · 40% 100

Safety · 35% 82

Insurance · 25% 85

Vehicle OOS rate is 1.9× the national average No active cargo insurance on file

Confidence: high · based on FMCSA safety, insurance & authority data How is this calculated?

Overview

Address

Physical

480 HODGE ROAD

SUMMERVILLE, SC 29483

View on Google Maps ↗

Mailing

PO BOX 3408

SUMMERVILLE, SC 29484

Contact

Phone: (843) 821-7600

Email: twharton@knightscompanies.com

Company Officers

THAD WHARTON

MICHAEL B KNIGHT

Business Info

D&B #: 0

Fleet

Power Units

Drivers

Equipment Breakdown

Owned Trucks15

Owned Tractors23

Authority

Status: ACTIVE

FMCSA add date: Jun 23, 2009

Common authority: Feb 3, 2012

Authority History (3)

Authority Type	Action	Date
COMMON	INVOLUNTARY REVOCATION → DISCONTINUED REVOCATION	Sep 29, 2023 → Nov 22, 2023
MOTOR PROPERTY COMMON CARRIER	GRANTED	Feb 3, 2012
MOTOR PROPERTY CONTRACT CARRIER	DISMISSED	Jan 27, 2010

Active Certifications

Property

MCS-150

Last updated: Feb 10, 2025

Mileage: 2,143,000 (2025)

Operation Classification

AUTHORIZED FOR HIRE

Carrier Operation

Interstate

Related Companies

Company	DOT#	MC#	Location	Status	Linked By
KRM FLEET LLC DBA: KNIGHT'S REDI-MIX	3517010	1166012	SUMMERVILLE, SC	ACTIVE	AddressEmailDomainOfficerPhone
KP FLEET LLC	4271455	1658943	SUMMERVILLE, SC	ACTIVE	EmailDomainMailing
KRM SOUTH LLC	3507967	1160182	WALTERBORO, SC	INACTIVE	DomainPhone

Recent Changes

Safetyvehicle oos rate: 50 → 43.75Aug 4, 2026

Safetyvehicle oos rate: 43.75 → 50Aug 3, 2026

Safetytotal crashes: 3 → 0Aug 1, 2026

Safetyvehicle oos rate: 50 → 41.17647Jul 29, 2026

Contacttelephone: → 8438217600Jul 20, 2026

Safety

Out-of-Service Rates

Driver99 inspections

0.0%

6.2%

Carrier National avg

Vehicle16 inspections

43.8%

22.8%

Carrier National avg

Hazmat

No hazmat inspections

Overall99 inspections

7.1%

Carrier

Crash Summary

Fatal

Injury

3.0

per 1M miles

Towaway

Total

BASIC Violations

Unsafe Driving88

Driver Fitness0

Hours of Service0

Drug / Alcohol0

Vehicle Maintenance44

Safety Measurement System (SMS)

FMCSA's official per-BASIC roadside-performance measures over the trailing 24 months, computed from the 100 inspections below. A measure of 0 means no recorded violations in that BASIC — not necessarily a strong safety record on a small sample. FMCSA does not publish peer-group percentiles for property carriers, so the underlying measures — not percentile rankings — are shown; Hazmat Compliance and Crash Indicator are not published.

SMS Inspections (24 mo)

100

Total

Driver OOS

Vehicle OOS

BASIC Measures

Unsafe Driving0.385 insp w/ viol

Hours of Service0.000 insp w/ viol

Driver Fitness0.000 insp w/ viol

Controlled Substances0.000 insp w/ viol

Vehicle Maintenance7.1712 insp w/ viol

Insurance

$1,000,000

BIPD Coverage

—

Cargo Coverage

1 policy on file1 active

Type	Status	Insurer	Policy #	Coverage	Effective	Expires	Form
BIPD	Active	ZURICH AMERICAN INSURANCE COMPANY	BAP 0081053	$1,000,000	Mar 1, 2017	—	91X

Insurance History (2)

Type	Insurer	Status	Coverage	Effective	Cancelled
BIPD · F91X	PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO.	ReplacedTERM/REPL	$750,000	Jan 20, 2012	Mar 1, 2017
BIPD · F91X	PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO.	CancelledCANCEL	$750,000	May 11, 2010	Nov 27, 2010

Get this data via API

API Reference

curl https://api.dotlookup.dev/v1/carriers/1905971