Sos Corporation (USDOT 904945)
No blockers or cautions found.
- DOT number
- USDOT 904945
- Operating authority
- No active operating authority on file with FMCSA.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 5 power units, 5 drivers
- Operation type
- Interstate
- Physical address
- 331 WEST ST, MILFORD, MA 01757
- MCS-150 last filed
- 2026-01
Frequently asked questions
What carrier is DOT 904945?
DOT 904945 (USDOT 904945) is Sos Corporation, an interstate motor carrier.
What is Sos Corporation's USDOT number?
Sos Corporation's USDOT number is 904945. No MC docket number is on file.
Is Sos Corporation currently authorized to operate?
No active operating authority on file with FMCSA. Source: FMCSA registration and licensing records.
Does Sos Corporation have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Sos Corporation's safety record?
In the last 24 months, FMCSA records show 1 of 1 vehicle inspection ending out-of-service for Sos Corporation, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Sos Corporation's CSA score?
FMCSA does not publish a single CSA score for carriers. Sos Corporation's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Sos Corporation's FMCSA safety rating?
Sos Corporation 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
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Sourced from FMCSA public records. Official data as of Aug 27, 2026. fleetfax surfaces the facts; brokers make the judgment.