Mountainside Power Llc (DOT# 3999093) – FMCSA Carrier Profile
DOT# 3999093MC# 1502499● Active
Updated: 2026-03-09
Mountainside Power Llc is a registered motor carrier with the FMCSA under USDOT number 3999093. The company operates from Afton, WY and maintains an active operating status with 22 power units and 50 drivers on record.
Safety Rating
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Company Information
Address442 Lincoln St, Afton, WY, 83110
Phone(208) 569-1827
Entity TypeAuthorized For Hire
OperationInterstate
Power Units22
Drivers50
MCS-150 FiledAugust 26, 2025
Annual Mileage100,000 mi (2024)
Inspection Summary
All-time Inspections
All-time6
Total
33
OOS
3
Driver OOS
30
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
Crash History
Crash Records
All-time1
Total
0
Fatal
0
Injuries
0
Tow-Away
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.9
Unsafe Driving
3.8
HOS Compliance
2.7
Driver Fitness
0.0
Controlled Substances
30.0
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 3999093?
USDOT number 3999093 is assigned to Mountainside Power Llc, an active motor carrier registered with the FMCSA, based in Afton, WY.
How many inspections has Mountainside Power Llc had?
Mountainside Power Llc has recorded 6 total inspections with 33 out-of-service orders, representing an OOS rate of 550.00%.
Where is Mountainside Power Llc located?
Mountainside Power Llc is headquartered at 442 Lincoln St, Afton, WY 83110.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3999093 · Last updated: 2026-03-09. View official FMCSA record →