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
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 120
- Observed power (24 mo)
- 6
- Trailers (towed)
- 3
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2025
Newest model yr
2006
Oldest model yr
11.1%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1GBJK39G56E266775View sourced platform decode | Incomplete - Chassis Cab (Number of Cab Unknown) | 2006 | CHEVROLET | Silverado | 3 | Jul 9, 2025 |
| 3C7WRTCL4MG620071View sourced platform decode | Power unit | 2021 | RAM | — | 1 | Jan 14, 2026 |
| 1GC1KUEG5JF263594View sourced platform decode | Power unit | 2018 | CHEVROLET | — | 1 | Jan 12, 2026 |
| 5M4LT2224PF038042View sourced platform decode | Trailer | 2023 | UNPUBLISHE | — | 1 | Jan 12, 2026 |
| 1GB5KLE76SF139545View sourced platform decode | Power unit | 2025 | CHEV | — | 1 | Dec 5, 2025 |
| 3C7WRKAL3JG286138View sourced platform decode | Power unit | 2018 | DODGE | — | 1 | Jul 10, 2025 |
| 5HZBF1627HLEH1224View sourced platform decode | Trailer | 2017 | UNPUBLISHE | — | 1 | Jul 10, 2025 |
| 1GB4WRE78LF310431View sourced platform decode | Power unit | 2020 | CHEV | — | 1 | Feb 10, 2025 |
| 4ZETD2025M1227808View sourced platform decode | Trailer | 2021 | TRLR | — | 1 | Feb 10, 2025 |
Showing 9 · most-inspected first.