Petrochem Field Services Inc. specializes in tower and vessel maintenance for the petrochemical and refining industries. This core focus allows us to concentrate our expertise, resources, and training on delivering world-class results in every project. Our field team consists of highly qualified specialists, including certified welders and tray mechanics.
To support this work, PFS operates custom-built tool trailers equipped with the latest tools and equipment. These mobile units travel directly to your site and function as on-site command centers, ensuring smooth coordination and efficient daily operations.
We offer a variety of tower and vessel maintenance services, including:
Complete Tower Revamps

Tray Removal and Installation

Strip-lining and Weld Overlay
API 510 Inspections

Installation (Valves and Piping Components, Including Nozzles)

Offshore Maintenance
Cleaning and Repairing of Trays
Tray Support Modifications

Vessel Calculations and Re-Rating
Inspection and Field Engineering Related to Towers and Drums

Exchanger General Maintenance

Nozzle Installations and Tower Resections
ASME “U” and “S” Stamp Fabrication

Chemical Cleaning

Field Torquing and Field Machining

Piping Repair and Spool Fabrication

Packing removal and Installations
NBIC “R’ & “NB” Stamp Repairs

Manufacturing of Towers, Drums and Pressure Vessels

Supply and Assembly of Tower Internals and Hardware
Our process
Efficient. Safe. Proven.
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01.
PROJECT ASSESSMENT
We evaluate scope, technical requirements, site conditions, and safety considerations to define a clear and accurate project plan.
02.
ENGINEERING & PLANNING
Our team supports projects through technical coordination, planning, and documentation, ensuring alignment with project requirements, timelines, and regulatory standards.
03.
EXECUTION & FIELD OPERATIONS
Skilled crews carry out the work with precision, safety, and efficiency—delivering consistent results in every project.