• ​Gas Turbine Cameras and Imaging
  • Thermal Imaging 

Click on link for brochure:

Power & Industrial 

  • Access Door
    • P&I Boiler Access Door
    • Ductwork and Windbox Access Doors
    • Duct/SCR/Precipitator/Baghouse/Penthouse Access Doors
    • Combined Cycle HRSG Access Doors
    • Access Doors for Penthouse & Roof Applications
    • 15″ x 21″ Oval Boiler Access Doors
    • Observation Ports
    • Boiler Inspection Doors
    • Tube Fabrication Services
  • Pendent Tube Alignments
  • Fast Access Boiler Platforms


  • Quick-change system design for easy installation and maintenance 
  • Proprietary Bright Image Optical System for sharp images 
  • Modular configuration for easy option add-ons and upgrades 
  • Compact, easy to handle design 
  • Indestructible STEELONTM housings to protect electronic components 
  • Advanced lens design for low air consumption, wider field of view and easy assembly/disassembly 
  • High performance, ruggedized imagers for increased durability 
  • Loaner systems and 24 hour service for emergencies

HRSG Access Doors

Oakridge Bellows 

  • HRSG Penetration Seals
  • GE Crossover Toriod Bellows
  • Gas Turbine Cross Fire Bellows
  • OEM Compressor Manfold Expansion Joints


  • Burners
    • HRSG Duct Burners
    • Process 
    • Gas Boiler
    • Package
    • Pilots
    • Burner Management
    • HVW High-Intensity
  • Scanners & Monitors
    • Flame Scanners
    • Flare Monitoring Systems
    • Ignitor Systems​

Tel: (205) 685-9477

2539 John Hawkins Pkwy

Hoover, AL 35244 US

Large Utility HRSG On-Site Services

Cust-O-Fab On-Site Services draws on the tested and proven expertise of experienced craftsmen and supervisors to provide comprehensive on-site solutions for the petrochemical and refining industries. We offer clients a single source of contact and a mature management approach in performing your projects, turnarounds and emergency site services needs.

Our values are Safety/Quality/Schedule/Value and our team has earned a reputation throughout the industry for completing our assignments on time with out values intact. Our on-site services include:

  • Exchanger Bundle Extraction
  • Specialty Welding
  • Plant Turnarounds
  • Process Piping & Fabrication

  • Furnace Revamp & Repair
  • Bolt Torquing & Tensioning
  • Field Retubing
  • Emergency Callout

flue gas solutions 

  • Fabric Expansion Joints
  • Molded Expansion Joints
  • Gas Turbine Expansion Joints

Shop Fabrication

We provide customers with top-quality ASME code fabrication at competitive prices. Our products include heat exchangers, bundles, vessels and towers, replacement air-cooled exchanger coil sections and specialty fabrication items. Our shop includes six production plants totaling more than 130,000-square-feet of space and 21acres of storage space. We maintain and operate some of the most advanced fabrication equipment and technology in the industry. All six of our production plants are fully staffed and operate on a 24/7 basis.

Our machine shop/bundle assembly facility includes 46,000-square-feet of production space and 12 CNC drilling/machining centers. We utilize advanced welding and CNC automated drilling technologies, as well as other innovative production techniques. CUST-O-FAB’S thermal and mechanical design group utilizes the latest programs and technologies available in order to design efficiently and promptly to meet or exceed customer specifications. Our shop fabrication services include:

  • Heat Exchangers
  • Bundles
  • Vessels & Towers
  • Specialty Fabrication
  • Replacement Coil

About Zeeco, Inc.

Headquartered in Broken Arrow, Oklahoma, USA, Zeeco, Inc. is the global leader in advanced combustion and environmental systems for the refining, production, petrochemical, LNG, power, pharmaceutical, marine and offshore, and biogas industries. For more than 40 years, Zeeco has engineered and manufactured ultra-low NOx burners, gas and liquid flaring systems, thermal oxidizers, equipment rentals, and parts and service. Zeeco also offers an array of vapor control products, including vapor recovery units (VRUs), vapor combustion units (VCUs), and flare gas recovery systems. With thousands of installations worldwide, Zeeco has successfully executed more than 35,000 projects in more than 100 countries and offers aftermarket products for Zeeco equipment and other manufacturers. Zeeco also operates the world’s largest industrial-scale test facility and the first of its kind to be ISO-certified.

As a privately held company, combustion and environmental solutions are Zeeco’s focus, ensuring a high standard of excellence in their people, products, and processes. Their management team is comprised of the world’s leading combustion experts and their global experience provides innovative solutions and seamless project execution. Zeeco has more than 1,000 employees, 21 global locations, and six manufacturing facilities around the world to ensure they are available for their customers. For more information about Zeeco, visit