Carrier profile · USDOT 1717948 · Updated Jun 13, 2026
Flow Service Partners Union Co
DBA ALTSTADT HOFFMAN PLUMBING
120 power unitsavg 7.2 yrLocal · 2 statesEVANSVILLE, IN76/100
AUTHORITY STATUS UNKNOWNHAZMAT
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
- 1401 BUCHANAN RD, EVANSVILLE, IN, 47720
- Operation
- Interstate· Hazmat
Contact
- Phone
- (812) 425-9389
- Cell
- (812) 760-0471
- Fax
- (812) 424-9591
- Web domain
- altstadtplumbing.com
Registration
- Officer
- David Altstadt Jr
- USDOT / docket
- 1717948
- First registered
- Dec 17, 2007
- Last MCS-150
- Jun 10, 2024 · 130 mi (2023)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- 154049787
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.