Knowles Enterprises Safety Record

DOT# 1246064 · Woodward, OK 73801 · 9704341912

Legal name: Knowles Trucking LLC

C

Average safety record — scored 45/100. This carrier's inspection results are typical for the industry.

Last inspected 03/22/2026

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Safety Score Breakdown · 45/100 points

Vehicle OOS Rate 30/30 pts
Driver OOS Rate 0/20 pts
Crash Rate 5/30 pts
Fatal Crash Penalty 10/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Knowles Enterprises (DOT# 1246064) in Woodward, Oklahoma has 230 inspections on record with 923 violations and a 66.1% vehicle out-of-service rate and 9 crashes, including 1 fatal. Safety grade: C. Active common authority.

230 Inspections
66.1% Vehicle OOS Rate
9 Crashes
143 Power Units

Out-of-Service Rates vs. National Average

An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.

Vehicle OOS Rate 66.1%
Carrier: 66.1% (152 of 230) National: 23.2%
Driver OOS Rate 0.9%
Carrier: 0.9% (2 of 230) National: 6.4%
10% OOS rate better than 10% of carriers in Oklahoma
23% crash rate better than 23% of carriers in Oklahoma

Violation Categories · 923 total violations

FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.

923 total violations across 230 inspections
159 violations resulted in out-of-service orders (17%)
Vehicle Maintenance
796
Unsafe Driving
82
Hours of Service
4
Driver Fitness
6
Hazardous Materials
33
Other
2

Inspection History · 100 records

FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.

Inspected across 3 states: CO, OK, TX
Level 1: 40 (17%) Level 2: 182 (79%) Level 3: 6 (3%) Level 5: 2 (1%)
2 of 5 recent inspections had vehicle out-of-service violations
Date State Level Veh OOS Drv OOS
03/22/2026 TX 2 0 0
03/20/2026 TX 1 1 0
03/17/2026 CO 2 0 0
03/14/2026 TX 2 0 0
03/10/2026 CO 1 3 0
03/10/2026 TX 2 0 0
03/10/2026 TX 2 0 0
03/04/2026 TX 2 0 0
02/26/2026 TX 1 0 0
02/24/2026 TX 2 0 0

Crash History · 9 records

1 fatal crash
4 injury crashes
25-NOV-25 most recent crash on record
Date State Fatalities Injuries Tow-Aways
25-NOV-25 CO 0 1 0
21-SEP-25 OK 0 0 0
21-DEC-25 TX 0 1 0
14-OCT-24 OK 0 1 0
11-DEC-25 TX 1 1 0
09-SEP-25 TX 0 0 0
09-DEC-24 TX 0 0 0
05-SEP-24 TX 0 0 0
05-MAR-25 OK 0 0 0

Authority & Insurance

FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.

MC/MX Number MC667980
Common Authority Active
Contract Authority N
Broker Authority N
BIPD Insurance Not On File
Cargo Insurance Not On File
Surety Bond Not On File
Type Insurer Coverage Effective
BIPD/Primary Xl Specialty Insurance Company $1,000 02/01/2026

Fleet Profile

Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.

Power Units 143
Drivers 160
Fleet Size Large Fleet
Operation Type Interstate
Hazmat Yes
Operating Since 05/10/2004
MCS-150 Filed 20251203 1
Annual Mileage (MCS-150) 14,355,792
Address 22154 US Hwy 270, Woodward, OK 73801

Other Carriers in Woodward, OK

Mike's Trucking Company 77 inspections · B Durango Services INC 74 inspections · A Northwest Crane Service LLC 46 inspections · A Journey Oilfiled Equipment LLC 42 inspections · C Edge Services INC 41 inspections · D Diamond Services Company 32 inspections · A Crosstimber Construction Service LLC 24 inspections · D Force Electrical Services LLC 24 inspections · C
View all carriers in Woodward →

Resources

What Is a CSA Score? Safety scoring explained How to Check a Trucking Company's Safety Record Lookup guide