Sigma Associates Llc (DOT# 4225877) – FMCSA Carrier Profile
doing business as SIGMA NATIONAL
DOT# 4225877MC# 1634101● Active
Updated: 2026-03-09
Sigma Associates Llc is a registered motor carrier with the FMCSA under USDOT number 4225877. The company operates from Bellevue, WA and maintains an active operating status with 1 power units and 1 drivers on record.
Safety Rating
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Company Information
Address11900 Ne 1st St Ste 300, Bellevue, WA, 98005
Phone(509) 952-4402
Entity TypeAuthorized For Hire
OperationInterstate
Power Units1
Drivers1
MCS-150 FiledOctober 2, 2025
Annual Mileage160,000 mi (2024)
Inspection Summary
All-time Inspections
All-time10
Total
1
OOS
0
Driver OOS
1
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.0
Unsafe Driving
0.0
HOS Compliance
0.0
Driver Fitness
0.0
Controlled Substances
6.2
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 4225877?
USDOT number 4225877 is assigned to Sigma Associates Llc, an active motor carrier registered with the FMCSA, based in Bellevue, WA.
How many inspections has Sigma Associates Llc had?
Sigma Associates Llc has recorded 10 total inspections with 1 out-of-service orders, representing an OOS rate of 10.00%.
Where is Sigma Associates Llc located?
Sigma Associates Llc is headquartered at 11900 Ne 1st St Ste 300, Bellevue, WA 98005.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 4225877 · Last updated: 2026-03-09. View official FMCSA record →