Precision-Engineered Distillation Columns and Tower Fabrication for Oil and Gas Sector

Regarding tower engineering, design and fabrication, Power Service stands as an industry leader. Catering to both upstream and downstream operations, we prioritize designs that seamlessly align with rigorous environmental guidelines and specific process demands. With our specialization in tower fabrication, we offer a diverse range of process towers, columns and contactors, perfect for both upstream and downstream needs. Our dedication to quality, safety and top-notch engineering ensures your operations are not only effective but also safe and dependable.

DNOW U.S. Process Solutions can fabricate process towers, columns or contactors for both upstream and downstream applications.

Product Information


At Power Service, our DNOW U.S. Process Solutions operating unit recognizes us for crafting high-quality process towers and columns. Our expertise ensures efficient service for both upstream and downstream applications. Each tower and column we create adhere to exacting process requirements and environmental guidelines.

We craft towers up to 14 ft. in diameter and an impressive 85 ft. in length, addressing upstream and downstream needs. Our team offers design, process simulation and finite element analysis (FEA) support, ensuring top-tier expertise for every project.

Unlike other companies that offer refining towers and equipment, DNOW stands out for its attention to detail, innovative approach and customer focus. Beyond just delivering equipment, we provide solutions that boost operational efficiency and reduce downtime.

Your success drives us, and we're committed to ensuring you achieve it around the clock. Contact our expert team for more on how our offerings can elevate your operations.

DNOW Process Solutions towers and columns, including fractionating and distillation, for upstream and downstream applications.

Product Offerings

Our extensive product line includes:

  • Fractionating towers
  • Distillation columns
  • Vapor recovery towers (VRT)
  • Depropanizer towers
  • Maintenance platforms and ladders

We've fabricated towers reaching up to 14 ft. in diameter and an impressive 85 ft. in length, proving our capabilities in handling vast and intricate projects.

Features and Benefits

  • Purity Perfected: Improves product purity to meet stringent quality specifications.
  • Eco-Efficient: Reduces energy consumption.
  • Loss Prevention: Minimizes the loss of valuable chemicals and products.
  • Equipment Longevity: Safeguards downstream equipment, extending its service life.
  • Boosted Capacity: Increases plant throughput capacity.
  • Operational Excellence: Optimizes operations and production.
  • Reduced Downtime: Minimizes costly interruptions for maintenance and outages.


  • ABSA
  • ASME U Stamp
  • CE
  • CSA
  • CWB
  • NB
  • NBCA R Stamp
  • UL


Materials of Construction Carbon steel, stainless & alloy steel
Dimensions Vessels up to 12 ft. diameter, 100 ft. length, 8 in. wall thickness
Lifting Capabilities Up to 100 tons
Non-Destructive Testing Ultrasonic, hydrostatic, radiographic, dye penetrant inspection, positive material identification (PMI), hardness and others
Finishing Surface prep, blasting, internal and external coating, painting
Engineering Support Design, process simulation, finite element analysis (FEA)


DNOW Process Solutions Tomball Facility Capabilitiesfile download
Power Service Products & Services Guidefile download

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