Sigma Associates LLC (USDOT 4225877)
2 cautions found.
- DOT number
- USDOT 4225877
- Docket (MC) number
- MC1634101
- Operating authority
- Common carrier authority: active.
- Authority granted
- 2024-05-21
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 1 power units, 1 drivers
- Operation type
- Interstate
- Physical address
- 11900 NE 1ST ST STE 300, BELLEVUE, WA 98005
- MCS-150 last filed
- 2025-10
Findings
- Multiple carriers at this address (Caution): 5 other active carriers are registered at this physical address. Shared addresses are common for freight offices and registered agents.
- Vehicle maintenance at the FMCSA intervention threshold (Caution): Vehicle maintenance ranks 82 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
Frequently asked questions
What carrier is DOT 4225877?
DOT 4225877 (USDOT 4225877) is Sigma Associates LLC, an interstate motor carrier.
What carrier is MC 1634101?
MC 1634101 is the docket number of Sigma Associates LLC, USDOT 4225877.
What is Sigma Associates LLC's MC number?
Sigma Associates LLC's docket number is MC 1634101. Its USDOT number is 4225877.
Is Sigma Associates LLC currently authorized to operate?
Common carrier authority: active. Source: FMCSA registration and licensing records.
Does Sigma Associates LLC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Sigma Associates LLC's insurance?
Sigma Associates LLC's liability insurance is filed with FMCSA by Everspan Indemnity Insurance Company.
What is Sigma Associates LLC's safety record?
In the last 24 months, FMCSA records show 4 of 8 vehicle inspections ending out-of-service for Sigma Associates LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Sigma Associates LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Sigma Associates LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Sigma Associates LLC's FMCSA safety rating?
Sigma Associates LLC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
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Sourced from FMCSA public records. Official data as of Aug 28, 2026. fleetfax surfaces the facts; brokers make the judgment.