---
title: "EXTREME MATERIALS INC | DOT 1905971 | Carrier Profile"
url: https://runalphaloops.com/carrier/sc/1905971/extreme-materials-inc
description: "EXTREME MATERIALS INC is a interstate carrier based in SUMMERVILLE, SC. Fleet size: 38 power units, 38 drivers. DOT# 1905971, MC# 699110."
lang: en
---

Active

Interstate

# EXTREME MATERIALS INC

DBA: KNIGHTS TRUCKING

Risk score · full evidence · 72-hour access · No account required

DOT #

1905971

MC #

699110

Location

SUMMERVILLE, SC

Phone

8438217600

Power Units

38

Drivers

38

Trailers

30

Annual Miles

In full report

Entity Type

N/A

MCS-150 Date

Feb 10, 2025

## Risk Signals — EXTREME MATERIALS INC

Scanning active

/ 10

CLEAR

Full risk analysis — historical patterns, fraud connections, financial signals — runs when you…

Authority for sale

No active listings detected…

CLEAR

Equipment for sale

2 fleet VINs listed — routine for fleet size…

LOW

Financial risk

Analyzed in the full report…

LOCKED

Fraud signals

Connection analysis in the full report…

LOCKED

Historical patterns

Pattern analysis runs when you unlock the report…

LOCKED

Recent activity

No adverse news in 90 days…

CLEAR

Unlock the full vetting report

Get the exact risk score, full analysis, and the specific evidence + sources behind every signal.

One-time · no account required

## Inspection Summary

Recent Inspections (90 Days)

12

Vehicle OOS Rate

8.3%

1 of 12

National avg ~21%

Driver OOS Rate

0%

0 of 12

National avg ~5%

OOS Inspections

1

Driver + Vehicle OOS

Most recent

Sep 15, 2026 · SC

Clean rate (90d)

18%

Every inspection with date, location, level, violations found, and out-of-service results.

## Crash Summary

Total Crashes

24

All time

Fatalities

0

Injuries

14

Tow-Away

22

## Counterparty Reports

Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with EXTREME MATERIALS INC.

No verified counterparty reports yet

Worked a load with EXTREME MATERIALS INC? Be the first to report how it went.

## 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

Septic System Services

Redi-Mix Concrete

Precast Concrete

Trucking Services

Concrete Pumping

Prestressed Concrete

Portable Concrete Plants

### Related Companies 2 found

Who this carrier is linked to and how — shared officers, common addresses, and entities under the same ownership.

### Service Regions Active in 2 states

Top states:

SC

GA

Full state-by-state operating volumes, inspection locations, and lane coverage analysis.

### CSA Safety Scores 5 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.

## Operating Authority

Common Authority

Holds Active Authority(14.6 years)

Contract Authority

No Authority

Broker Authority

No Authority

### Insurance & Coverage

BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names.

## Contact Information

8438217600

Physical Address

480 HODGE ROAD

SUMMERVILLE, SC 29483

## Cargo & Operations

Cargo Carried

Other

### Violations by Category 130 total

Most common category

General Safety · 39% of violations

across 6 categories

Full violation breakdown by category, out-of-service rates, and historical trends over time.

### Fleet Analytics 52 trucks

Top manufacturers

MACK

WESTERN STAR

INTERNATIONAL

Sample units

5KJJBWDV5SLVXXXXX 2025 WESTERN STAR 49X

5KJJBWDV2TLWXXXXX 2026 WESTERN STAR 49X

Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.

Are you EXTREME MATERIALS INC?

Claim this profile to respond to reviews, keep your info current, and dispute inaccurate signals. Free forever.

Vet at Scale

## Need more than a one-off vetting report?

Unlimited vetting across every U.S. carrier, monitored continuously — with insurance, risk, contacts, and crash data built into your workflow.

See AlphaLoops for Brokers: https://runalphaloops.com/lp/broker-vetting

Free trial · no credit card upfront Covers every U.S. carrier

Risk score · evidence · 72h access

## Structured data

```json
[
  {
    "@context": "https://schema.org",
    "@type": "LocalBusiness",
    "name": "EXTREME MATERIALS INC",
    "alternateName": "KNIGHTS TRUCKING",
    "url": "https://runalphaloops.com/carrier/sc/1905971/extreme-materials-inc",
    "areaServed": [
      {
        "@type": "State",
        "name": "SC"
      },
      {
        "@type": "State",
        "name": "GA"
      }
    ],
    "address": {
      "@type": "PostalAddress",
      "streetAddress": "480 HODGE ROAD",
      "addressLocality": "SUMMERVILLE",
      "addressRegion": "SC",
      "postalCode": "29483",
      "addressCountry": "US"
    },
    "telephone": "8438217600",
    "identifier": [
      {
        "@type": "PropertyValue",
        "name": "DOT Number",
        "value": "1905971"
      },
      {
        "@type": "PropertyValue",
        "name": "MC Number",
        "value": "699110"
      }
    ],
    "numberOfEmployees": {
      "@type": "QuantitativeValue",
      "value": 38
    }
  },
  {
    "@context": "https://schema.org",
    "@type": "FAQPage",
    "mainEntity": [
      {
        "@type": "Question",
        "name": "What is EXTREME MATERIALS INC's DOT number?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "EXTREME MATERIALS INC's USDOT number is 1905971. Their motor carrier number (MC#) is 699110. These numbers are assigned by the Federal Motor Carrier Safety Administration (FMCSA)."
        }
      },
      {
        "@type": "Question",
        "name": "Where is EXTREME MATERIALS INC located?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "EXTREME MATERIALS INC is based in SUMMERVILLE, SC 29483. They can be reached at 8438217600."
        }
      },
      {
        "@type": "Question",
        "name": "How large is EXTREME MATERIALS INC's fleet?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "EXTREME MATERIALS INC operates 38 power units with 38 drivers."
        }
      },
      {
        "@type": "Question",
        "name": "Is EXTREME MATERIALS INC currently active?",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "EXTREME MATERIALS INC's USDOT registration is currently listed as active."
        }
      }
    ]
  },
  {
    "@context": "https://schema.org",
    "@type": "WebSite",
    "name": "AlphaLoops",
    "alternateName": [
      "AlphaLoops.com",
      "Run AlphaLoop"
    ],
    "url": "https://runalphaloops.com/"
  }
]
```