Carrier profile · USDOT 44382 · Updated Jun 13, 2026
A-ox Welding Supply Company Inc
30 power unitsavg 7 yrRegional · 6 statesSIOUX FALLS, SD100/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 101 N HARLEM AVENUE, SIOUX FALLS, SD, 57104
- Mailing address
- PO DRAWER 86667, SIOUX FALLS, SD, 57118
- Operation
- Interstate· Hazmat
Contact
- Phone
- (605) 336-1125
- Fax
- (605) 336-6872
- joev@aoxwelding.com
- Web domain
- aoxwelding.com
Registration
- Officers
- Kelly Kleinwolterink · Tiffany Anderson
- USDOT / docket
- 44382
- First registered
- Jun 1, 1974
- Last MCS-150
- Apr 8, 2026 · 1,015,289 mi (2025)
- FMCSA safety rating
- Satisfactory · Dec 2, 2003
- D-U-N-S
- 24372385
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.