Csmk Llc (DOT# 3319663) – FMCSA Carrier Profile
doing business as A-MAC UNDERGROUND
DOT# 3319663● Active
Updated monthly · 2026-03-09
This carrier is active with no crashes on record.
Csmk Llc is a registered motor carrier with the FMCSA under USDOT number 3319663. The company operates from Strasburg, CO and maintains an active operating status with 1 power units and 5 drivers on record.
Safety Rating
Advertisement
Company Information
Address57625 E County Road 46, Strasburg, CO, 80136
Phone(303) 564-3823
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units1(Small carrier)
Drivers5
MCS-150 FiledMarch 10, 2024
Annual Mileage100,000 mi (2023)
Inspection Summary
All-time Inspections
All-time3
Total
3
OOS
0
Driver OOS
3
Vehicle OOS
3 inspections — relatively low volume, which may indicate a smaller or newer carrier.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 100.0% — above the national vehicle OOS average of ~21%. Review BASICS scores below.
Crash History
✅No crashes reported (FMCSA data)
Advertisement
Other Carriers in Strasburg, CO
More Carriers in Colorado
Frequently Asked Questions
What is USDOT Number 3319663?
USDOT number 3319663 is assigned to Csmk Llc, an active motor carrier registered with the FMCSA, based in Strasburg, CO.
How many inspections has Csmk Llc had?
Csmk Llc has recorded 3 total inspections with 3 out-of-service orders, representing an OOS rate of 100.00%.
Where is Csmk Llc located?
Csmk Llc is headquartered at 57625 E County Road 46, Strasburg, CO 80136.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3319663 · Last updated: 2026-03-09. View official FMCSA record →