REX LEE SIEMER TRUCKING LLC
USDOT 637791
Active, interstate carrier, small fleet (17 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate28.6% vs 19.1% national avg
- Crashes (24 months)2 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 637791 |
|---|---|
| MC Number | MC-384420 |
| Legal Name | REX LEE SIEMER TRUCKING LLC |
| DBA Name | — |
| Entity Type | INDIVIDUAL |
| Phone | 6603824665 |
| Address | 14603 US HWY 65, Mercer, MO, 64661-9705 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20040302) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 87 / 100 |
|---|---|
| Hours-of-Service Compliance | 88 / 100 |
| Driver Fitness | 94 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 94 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 14 |
|---|---|
| Out-of-Service Rate | 28.6% vs 19.1% national average |
| Crashes | 2 total (0 fatal, 1 with injuries, 2 towaway) |
- 2026-04-11 — MO — 3 injured, towaway
- 2026-03-02 — MO — towaway
Most frequent violation categories: 20 (6), 16 (5), 12 (4).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 17 |
|---|---|
| Drivers | 9 |
| Recent Annual Mileage | 879,684 |
| Last MCS-150 Filing | 18-FEB-26 |
REX LEE SIEMER TRUCKING LLC operates 17 power units — a larger fleet than 97% of carriers registered in MO.
Nearby
Other carriers in Mercer, MO
- TOM'S AGSPRAY LLC — USDOT 971030, 5 power units
- DENNIS DALE BEAVERS — USDOT 662762, 3 power units
- KIRK ELLIS — USDOT 631434, 2 power units
- EARLDEAN HENRY — USDOT 646323, 2 power units
- AUTOFLUSH MAINTENANCE & CLEANING SYSTEMS INC — USDOT 639609, 1 power units
Browse all carriers in Mercer, MO or all MO carriers.