PROFESSIONAL MECHANICAL SERVICES INC
dba OPTIMUM WELDING SERVICE
CAPITOL HEIGHTS, MD
11/08/2016
2
Power Units
3
Drivers
Current
as of today
Active · 2 power units · 3 drivers · Capitol Heights, MD
2025
Nov 7, 2025
MCS-150 biennial update filed
Reported mileage: 72,000 (2025)
Reported power units: 2
Reported drivers: 2 → 3
2023
Apr 27, 2023
MCS-150 biennial update filed
Reported mileage: 11,000 (2023)
Reported power units: 2
Reported drivers: 2
2019
Aug 15, 2019
MCS-150 biennial update filed
Reported mileage: 11,000 (2016)
Reported power units: 2
Reported drivers: 2
2017
May 15, 2017
OOS order rescinded
Feb 21, 2017
Out-of-service order
New Entrant Revoked - Refusal of Audit/No Contact
2016
Nov 8, 2016
DOT registered
Company registered with the FMCSA.