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Carrier profile · USDOT 1905971 · MC-699110 · Updated 07/18/2026

EXTREME MATERIALS INC

DBA KNIGHTS TRUCKING

38 power unitsavg 5.1 yrLocal · 2 statesSUMMERVILLE, SC
CARRIER ACTIVEMC-699110 ACTIVE
Verified linksknightscompanies.comLinkedInFacebookInstagramFMCSA SAFERCallEmail
Observed fleet · trailing 24 mo daily
38Power units
37 observed · MCS-150
22Trailers seen
Decoded · vPIC
5.1Avg age (yr)
1997–2026 · vPIC
Call dispatch(843) 821-7600Email dispatchtwharton@knightscompanies.com

Load decision · FMCSA snapshot · 2026-07-18

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Active operating authorityInsurance on fileVehicle out-of-service rate well above average
Operating authority17 yr active
since 2009
Insurance (BIPD)On file
FMCSA L&I
Vehicle OOS · 24mo41.2%
▲ 22.26% nat'l
Crashes · fatal0
3 in 24mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Asset-based

38 power units. Brokers price each fleet type apart.

Fleet age vs peersNewer

5.1 yr

Model years 1997–2026 · peer benchmark computing.

Identity stabilityStable

17 yr unchanged

Same registration since 2009 — no chameleon / reincarnation signal.

AI readLocal operator, 17-yr authority, 41% vehicle OOS — review first.Full read

Is EXTREME MATERIALS INC safe to work with?

Is EXTREME MATERIALS INC safe to load? EXTREME MATERIALS INC (USDOT 1905971, MC-699110) is an active asset-based motor carrier based in SUMMERVILLE, SC, operating 38 power units and 38 drivers. Operating authority has been active 17 years (past the 24-month broker-confidence threshold). Across 153 roadside inspections, its vehicle out-of-service rate over the last 24 months is 41.2% (above the 22.26% national average), with 3 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it review before loading (80/100), with the leading concern: vehicle out-of-service rate well above average. Source: FMCSA SAFER/MCMIS, last updated 2026-07-18.

FMCSA fields + Vektor analysis · updated 2026-07-18
EMEXTREME MATERIALS INC 80
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Frequently asked

What is EXTREME MATERIALS INC's USDOT number?

EXTREME MATERIALS INC's USDOT number is 1905971, and its motor carrier number is MC-699110.

Is EXTREME MATERIALS INC authorized to operate?

As of 2026-07-18, EXTREME MATERIALS INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is EXTREME MATERIALS INC's safety record?

EXTREME MATERIALS INC has a 41.2% vehicle out-of-service rate (national average 22.26%) across 153 roadside inspections, with 3 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 80/100 (tier: review).

How big is EXTREME MATERIALS INC's fleet?

EXTREME MATERIALS INC operates 38 power units and 38 drivers per its most recent MCS-150 filing.

Where is EXTREME MATERIALS INC based?

EXTREME MATERIALS INC is based in SUMMERVILLE, SC, with roadside inspections recorded across 2 states.