FMCSA Carrier Profile
OXYGEN SERVICE CO INC
Owner / Officer: Ryan Diekow
Active
Satisfactory
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Satisfactory
0th pct · 48 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
OXYGEN SERVICE CO INC is an active FMCSA-registered motor carrier based in Saint Paul, Minnesota, operating under DOT 333441. No high-severity flags were found on authority or insurance records. Across 48 FMCSA inspections on record, this carrier shows 26.8% vehicle OOS and 2.9% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
333441
Operating Status
Active
Safety Rating
Satisfactory
Entity Type
Corporation
MCS-150 Filed
January 19, 2026
FMCSA Registration
November 22, 1988
Annual Mileage
1,060,000 mi (2025)
Contact Information
Address
1111 Pierce Butler Route, Saint Paul, MN 55104-1450
Phone
Email
Owner / Officer
Ryan Diekow
Officer 2
Ryan Mielke
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Safety Percentile
0th percentile
vs. peer carriers
✓ Below FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
48
Driver Inspections
35
Vehicle Inspections
41
Total OOS Orders
12
Violations by Category
Vehicle Maintenance28
Unsafe Driving5
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate2.9% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate26.8% · national avg 20.7%
⚠ Above national average (6.1pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (48)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| January 31, 2025 | MN | Level I — Full | FREIGHTLIN · 3ALXFB004LDLW4527 | 1 | Passed |
| October 30, 2024 | MN | Level I — Full | KENWORTH · 2XKHAJ8X2KM303167 | 0 | Clean |
| March 29, 2024 | MN | Level III — Driver Only | — | 0 | Clean |
| February 26, 2025 | MN | Level II — Walk-Around | KENWORTH M · 1NKDGGGG20J386292 | 2 | 1 OOS |
| September 25, 2025 | MN | Level I — Full | KENWORTH M · 1XKDD79X0EJ391378 | 3 | Passed |
| September 24, 2025 | MN | Level I — Full | KENWORTH · 1NKDGGGG90J187661 | 0 | 1 OOS |
| May 23, 2024 | MN | Level II — Walk-Around | KENWORTH · 2NKHLJ9XXEM389559 | 0 | 1 OOS |
| April 23, 2026 | WI | Level II — Walk-Around | KENWORTH M · 1NKDGGGG20J199716 | 1 | Passed |
| May 22, 2026 | WI | Level I — Full | KENWORTH · 2NKMLZ9X87M173399 | 0 | Clean |
| January 22, 2026 | WI | Level II — Walk-Around | KENWORTH · 1XKDDU9X9YJ861930 | 2 | Passed |
| August 22, 2025 | MN | Level I — Full | KENWORTH · 1XKWD49X7PR257463 | 1 | Passed |
| March 21, 2024 | WI | Level II — Walk-Around | — | 0 | Clean |
Showing 12 of 48 inspection records
Other Carriers in Saint Paul, MN
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 8, 2026.
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