Fleet typeIdentity
Asset-based
38 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1905971 · MC-699110
EXTREME MATERIALS INC
DBA KNIGHTS TRUCKING
38 power unitsavg 5.1 yrLocal · 2 statesSUMMERVILLE, SC
CARRIER ACTIVEMC-699110 ACTIVE
Observed fleet · trailing 24 mo daily
38Power units
37 observed · MCS-150
22Trailers seen
Decoded · vPIC
5.1Avg age (yr)
1997–2026 · vPIC
Click to see how we scored it
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
Watch · 2
Operating authority1717 yr active
since 2009Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo41.241.2 %
▲ 22.26% nat'lCrashes · fatal00
3 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
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 readFull 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 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
01
Safety
153 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 41.2% (24-mo)17 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 0.0% (24-mo)101 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
3.1% now▼ Improving
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.3 / unit·yr
thin signalabundant signal
Within the expected band for a 38-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
- Registered power units
- 38
- Inspections · 24 mo
- 101
- Annualized
- ≈51 / yr
- Coverage
- ≈1.3 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving122
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance9 · 9 OOS
- 393.9 Inoperative required lampsVehicle Maintenance9 · 1 OOS
- 393.78 Windshield wipersVehicle Maintenance7
- 396.17 Periodic (annual) inspectionVehicle Maintenance5
- 393.60 Windshield / glazingVehicle Maintenance4
- 393.100 Cargo securement (general)Vehicle Maintenance4 · 4 OOS
- 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1
- 393.11 Required lamps/reflectors missingVehicle Maintenance1
- 393.203 Parts & accessories (vehicle condition)Vehicle Maintenance1
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 1 insurer · 1 lapseCoverage lapse
+1 earlier
Pennsylvania National · 12–17
20102017
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 38
- Observed power (24 mo)
- 37
- Trailers (towed)
- 22
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2026
Newest model yr
1997
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 2 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed22
US statesInspections · 24 mo101101
SC busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
SUMMERVILLE, SC
Top corridor
SC
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (5 trucks · 3 carriers)
Across all inspections on record: USDOT 4273566USDOT 3517010USDOT 3321104
Shares a registration email domain with other carriers
@knightscompanies.com — 6 carriers: USDOT 1192495USDOT 3507967USDOT 3517010USDOT 4271455USDOT 4575170
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)3838
Observed (24 mo)3737
Shared w/ other carriers55
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 480 HODGE ROAD, SUMMERVILLE, SC, 29483
- Mailing address
- PO BOX 3408, SUMMERVILLE, SC, 29484
- Operation
- Interstate
Contact
- Phone
- (843) 821-7600
- Web domain
- knightscompanies.com
Registration
- Officers
- Thad Wharton · Michael B Knight
- USDOT / docket
- 1905971 · MC-699110
- First registered
- 06/23/2009
- Last MCS-150
- 02/10/2025 · 2,143,000 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate EXTREME MATERIALS INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
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.