24/7 Emergency
The Complete Thermal Lifecycle Partner
Built around safety, quality, schedule, and value.
Our story, values, safety, quality, ESG, certifications, and facilities.
Thermal expertise, manufacturing excellence, field execution, and lifecycle support.
Experienced leaders devoted to customer success.
Positioned to serve customers across North America.
Heat Transfer Equipment Built for Critical Infrastructure
Air cooled heat exchangers, shell-and-tube heat exchangers, process equipment, and specialty fabrication designed for reliability, performance, and lifecycle value.
Solving Thermal Challenges Across Critical Infrastructure
Cust-O-Fab supports the industries that power modern life through engineered heat-transfer equipment, specialty fabrication, and field execution.
Supporting continuous operation where reliability matters most.
Cooling the servers enabling the AI revolution.
Equipment for renewable fuels and energy projects.
Heat recovery and process cooling equipment.
Reliable equipment for gas processing, transport, and export infrastructure.
Engineered heat transfer for complex process environments.
Ammonia condensers and fertilizer process equipment.
Specialty fabrication for launch and test infrastructure.
Thermal performance for dependable power production.
Heat exchangers and vessels for gas separation and liquefaction.
Process equipment and field services for mining operations.
Field Execution That Extends Beyond Manufacturing
Engineering, installation, repairs, and lifecycle support delivered by experienced field teams.
Innovation
Insights, tools, and guidance for getting more performance and uptime from your heat transfer equipment.
Getting more duty, efficiency, and service life from existing heat-transfer equipment.
Literature, data sheets, guides, and specifications.
The digital design, modeling, and simulation tools behind our engineering.
Updates, project stories, and visual explainers.
How people, automation, and data work together in our shops and in the field.
An interactive 3D look at what we build.
Build More Than a Career
Skilled trades, engineering, and field careers with a team that puts safety first.
Specialty and On-Site Services
CUST-O-FAB Specialty Services is a dedicated on-site service provider that delivers comprehensive solutions. We have a seasoned team of craftspeople and supervisors that are experts in turnarounds, capital projects, emergency shutdowns, and more.
Our field teams know exactly how to get in, get things fixed safely, and leave your facility better than they found it. When an emergency shutdown occurs, we’re available 24/7 to get you back up and running as soon as possible.
Our Services
Plant Turnarounds
Single source of contact to manage projects
Furnace erections, reformers, platforms, and heaters
Critical-path specialists
Pipe expert planning, estimating, and execution
All refractory applications
Specialty Welding
More than 800 certified welders
750+ qualified weld procedures
ASME Code welding and repair services
Professional inspection, documentation, and turnover packages
Capital Projects
Front-end-load budgeting, scheduling, and cost forecasting
Field change order management
General contracting of field installation
Sub-vendor management of fabricated components
Refractory
API 936 for installation and inspection
Process heaters and boilers
Reformers and SRU thermal reactors
Ammonia plants and FCC units
Bolt Torquing & Tensioning
Heat exchangers
Towers, vessels, and reactors
Pumps
Process piping
FCCUs
Reactors and regenerators
Large transfer lines and riser lines
Cyclones, air grids, and slide valves
Refractory and expansion joints
Coker Revamps
Vessel alterations and inspections
Un-heading system replacements
Coke dump chutes and skirts
Furnace revamps and unit piping
Field Retubing
Air cooled and shell and tube heat exchangers
Evaporators and refrigeration units
Quench coolers, boilers, and furnaces
Surface condensers
Exchanger Bundle Extraction
Turnkey service from exchanger manufacturing to push-pull of bundles
In-house training facility for safe operation
Aerial, truck-mounted, and crawler extractors
Air-Cooled Bundle Extraction
Turnkey service from exchanger manufacturing to push-pull of bundles
In-house training facility for safe operation
Aerial, truck-mounted, and crawler extractors
Process Piping Fabrication & Installation
Specialty welding for all piping materials
ASME Code piping procedures
Dimensional verification with interference checks
Power Generation
Turbine Exhaust plenum, liner, ductwork, and silencer upgrades
Inlet filterhouse and cooling systems
Boiler upgrades and HRSG and OTSG solutions
ASME Code Certified Alloys
Code-quality welding on the alloys your process depends on, backed by 750+ Qualified Weld Procedures and certifications to prove it.
S Stamp
ASME power boilers
R Stamp
National Board repairs and alterations
Alloys We Weld
Chrome (1% to 9%), urea-grade stainless steels, duplex and super duplex, titanium, Inconel (all grades), cast alloys, micro alloys (unclassified, Kubota, XM), Grade 91 / modified 9 Cr, and more.
Welding Specifications
ASME B31.3, ASME Section I, ASME Section VIII and IX, AWS D1.1, D1.3, D1.4, and D1.6.
Emergency Services
When the unexpected happens, we’re ready with our Specialty and On-Site crews and Fabrication Services to get your operation back up and running.
CUST-O-FAB’s 24/7 dedicated turnaround support offers expedited fabrication services for emergency repair and replacement of critical-path equipment.
Plan Your Next Outage or Shutdown
Tell us the unit, the scope, and your window. Our field crews are ready to mobilize.
855-562-4263