Mark S Briley (DOT# 819310) – FMCSA Carrier Profile
doing business as P & M SEPTIC TANK SERVICE
DOT# 819310● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Mark S Briley is a registered motor carrier with the FMCSA under USDOT number 819310. The company operates from Wells, ME and maintains an active operating status with 1 power units and 1 drivers on record.
Safety Rating
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Company Information
Address113 Hilton Lane, Wells, ME, 04090
Phone(207) 646-0475
Entity TypeExempt For Hire
OperationIntrastate (Non-Hazmat)
Power Units1(Small carrier)
Drivers1
MCS-150 FiledJune 10, 2002
Annual Mileage10,000 mi (2000)
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Carrier Insight
Mark S Briley is a small motor carrier operating in Maine.
Mark S Briley has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.
The company operates 1 power unit and employs 1 driver. This is a small carrier operation.
Frequently Asked Questions
What is USDOT Number 819310?
USDOT number 819310 is assigned to Mark S Briley, an active motor carrier registered with the FMCSA, based in Wells, ME.
Where is Mark S Briley located?
Mark S Briley is headquartered at 113 Hilton Lane, Wells, ME 04090.
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# 819310 · Last updated: 2026-03-09. View official FMCSA record →