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SOS CORPORATION
DBA: Sos Corp
Milford, MA
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
66.7% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 93% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
See details ↓
FMCSA status: Active registration · no operating authority · DOT 904945
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
66.7% OOS · 10 inspections on record
Flags · 1
Elevated Out-of-Service Rate
66.7% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 93% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- Vehicle out-of-service rate 100.0% — above the 20.7% national average
- 10 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
904945
Safety Rating
Not Rated
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
January 13, 2026
FMCSA Registration
September 12, 2000
Annual Mileage
50,000 mi (2024)
Contact Information
Address
331 West St, Milford, MA 01757
Phone
Email
Owner / Officer
Brent Oldfield
Officer 2
Cynthia Oldfield
Cargo Types
Building MaterialsMachinery/Large ObjectsConstruction Materials
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
10
Driver Inspections
10
Vehicle Inspections
2
Out-of-Service Violations
4
Violations by Category
Vehicle Maintenance6
Unsafe Driving6
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate50.0% · national avg 5.5%
⚠ Above national average (44.5pp higher)
Vehicle OOS Rate100.0% · national avg 20.7%
⚠ Above national average (79.3pp higher)
66.7% of 6 inspections in the last 24 months put a driver or vehicle out of service —
93rd percentile among carriers with 5–9 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
1 of 1 inspections
Unsafe Driving
2 of 6 inspections
Hours of Service
0 of 6 inspections
Driver Fitness
2 of 6 inspections
Controlled Substances
1 of 6 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
MA6
RI1
Fleet & Equipment (5)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~5
of 5 reported to FMCSA
Trailers
—
seen at inspection
Equipment types observed
Truck
3
Chassis / Incomplete
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2020 International MV607 | Truck · Class 6 | 3HAEUMML4LL351244 | 2 | 1 |
| 2016 International MA025 | Truck · Class 6 | 1HTMMMML4GH403754 | 1 | 1 |
| 2015 Isuzu NQR/NRR | Truck · Class 5 | JALE5W163F7302362 | 1 | — |
| 2016 Isuzu NRR | Chassis / Incomplete · Class 5 | JALE5W164G7302730 | 1 | 1 |
| 2024 Isuzu NRR | Chassis / Incomplete · Class 5 | JALE5W164R7309602 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (10)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 17, 2026 | 0232000663 | NORTH PROVIDENCE RI | III | — | — | — | Straight Truck |
INTERNATIONAL |
3HAEUMML4LL351244 |
MA V90908 |
| November 13, 2025 | DA00004064 | S-BOSTON, MA | III | 2 | 1 | CARRIER | Straight Truck |
ISUZU |
JALE5W164R7309602 |
MA Y22174 |
| 391.41APC | OOSMedical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Medical Certificate | ||||||||
| 392.16AD | Driver - Failed to use seat belt while operating a CMV. | Seat Belt | ||||||||
| June 5, 2025 | DQ00002271 | H-FRAMINGHAM, MA | III | 3 | 1 | N/A | Straight Truck |
INTERNATIONAL |
1HTMMMML4GH403754 |
MA T56882 |
| 392.4A-DOSU | OOSDrugs/Other Substances - Operate a CMV while under the influence or evidence of use within the past 24 hours. | Drugs | ||||||||
| 392.2-SLL | State/Local Laws - | |||||||||
| 392.2-SLL | State/Local Laws - | |||||||||
| March 15, 2025 | DQ00001964 | H-WESTON, MA | III | 6 | 1 | N/A | Straight Truck |
INTERNATIONAL |
3HAEUMML4LL351244 |
MA V90908 |
| 391.41A | OOSOperating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Medical Certificate | ||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 396.9D2-FTF | Failing to correct the violation(s)/defect(s) noted on the roadside inspection report | Inspection Reports | ||||||||
| 392.16AD | Driver - Failed to use seat belt while operating a CMV. | Seat Belt | ||||||||
| 392.2-SLLCP | State/Local Laws - Operate a CMV while using a cellular phone | Texting | ||||||||
| 392.2-SLLML | State/Local Laws - Failure to maintain lane | Dangerous Driving | ||||||||
| March 6, 2025 | DS00001566 | S-STONEHAM, MA | III | 1 | — | — | Straight Truck |
ISUZU |
JALE5W163F7302362 |
MA L70053 |
| 392.2-SLL | State/Local Laws - | |||||||||
| October 1, 2024 | DQ00001311 | H-WESTON, MA | I | 4 | 1 | SAME | Straight Truck |
ISUZU |
JALE5W164G7302730 |
MA R42230 |
| 393.41-BNPB | OOSBrake - Inoperative or missing parking brake on power unit | Brakes All Others | ||||||||
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.203B-CBP | Cab and Body Parts - Cab/body mounts loose/broken/missing | Cab Body Frame | ||||||||
| March 17, 2024 | DA00001902 | H-CANTON, MA | III | 2 | — | — | Straight Truck |
INTERNATIONAL |
1HTMMMML4GH403754 |
MA T56882 |
| 392.2 | Violation of Local Laws - Explain | |||||||||
| 391.41A1-NPH | Operating a property-carrying vehicle without possessing a valid medical certificate - no previous history | Medical Certificate | ||||||||
| November 13, 2023 | CK00003100 | H-DEDHAM, MA | III | 1 | — | — | Straight Truck |
INTERNATIONAL |
1HTMMMML4GH403754 |
MA T56882 |
| 392.2LV | Lane Restriction violation | Misc Violations | ||||||||
| November 4, 2023 | DQ00000199 | H-HOPKINGTON, MA | I | 1 | — | SAME | Straight Truck |
INTERNATIONAL |
3HAEUMML4LL351244 |
MA V90908 |
| 396.3A1B | Brakes (general) Explain: | Brakes All Others | ||||||||
| September 24, 2023 | DQ00000048 | H-HOPKINGTON, MA | III | 1 | — | — | Straight Truck |
ISUZU |
JALE5W163F7302362 |
MA L70053 |
| 392.16 | Failing to use seat belt while operating a CMV | Seat Belt | ||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 20, 2026.
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