USDOT 4421376
Johnstone Supply
Unity4 All Llc · Sioux Falls, SD · Interstate
Motor Carrier
✓ Registered fleet operator
25
Power units
25
Drivers
15
Roadside inspections
Fleet & safety
The operation
15
Inspections
Jun 19, 2026
Most recent
Aug 26, 2025
Earliest on file
| Date | State | Level |
|---|---|---|
| Jun 19, 2026 | SD | Level III — Driver-only |
| May 28, 2026 | MN | Level III — Driver-only |
| May 14, 2026 | SD | Level II — Walk-around |
| May 8, 2026 | NE | Level III — Driver-only |
| May 6, 2026 | NE | Level III — Driver-only |
About
Who we are
Johnstone Supply is an interstate motor carrier based in Sioux Falls, SD.
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with Johnstone Supply
Address
335 N Weber Ave
Sioux Falls, SD 57103
Phone
(605) 338-2652
AN•••@J•••.COM
Quote requests aren't active yet.
When Johnstone Supply claims this page, shippers and brokers get a working quote form that lands straight in their inbox. Run this company?
Claim Johnstone Supply — free →