Port Harbor Marine Inc (DOT# 450601) – FMCSA Carrier Profile
DOT# 450601MC# 522798● Active
Updated: 2026-03-09
Port Harbor Marine Inc is a registered motor carrier with the FMCSA under USDOT number 450601. The company operates from South Portland, ME and maintains an active operating status with 25 power units and 60 drivers on record.
Safety Rating
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Company Information
Address1 Spring Point Dr, South Portland, ME, 04106
Phone(207) 767-3254
Entity TypeAuthorized For Hire
OperationInterstate
Power Units25
Drivers60
MCS-150 FiledJanuary 29, 2026
Annual Mileage350,000 mi (2025)
Inspection Summary
All-time Inspections
All-time3
Total
4
OOS
0
Driver OOS
4
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.0
Unsafe Driving
0.0
HOS Compliance
0.2
Driver Fitness
0.0
Controlled Substances
6.4
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 450601?
USDOT number 450601 is assigned to Port Harbor Marine Inc, an active motor carrier registered with the FMCSA, based in South Portland, ME.
How many inspections has Port Harbor Marine Inc had?
Port Harbor Marine Inc has recorded 3 total inspections with 4 out-of-service orders, representing an OOS rate of 133.33%.
Where is Port Harbor Marine Inc located?
Port Harbor Marine Inc is headquartered at 1 Spring Point Dr, South Portland, ME 04106.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 450601 · Last updated: 2026-03-09. View official FMCSA record →