A Safe, Reliable Welding Partner

Industries at the forefront of discovery, face many unique challenges getting projects off the ground. For more than a century, forward-thinking companies on the leading edge of innovation have trusted Day & Zimmermann to meet their highest expectations for safety, quality, and precision and help them bring big ideas to life.

We deliver safe, high-quality, and predictable performance from concept development and engineering to prefabrication and installation to preventative maintenance using our QA/QC accredited programs.

Our Tennessee, North Carolina, and Arizona fabrication shops are outfitted with the latest technology and equipment to meet most project requirements.

• ASME Pressure Vessel Fabrication and National Board Inspection Code (NBIC) - Repair
• Concept-to-creation Fabrication
• Planning and Mock-up Services
• Final Testing and Acceptance
• Structural Steel Platforms, Mezzanines, & Stairs
• High-Purity Piping Fabrication and Installation
• Sanitary Process Piping

We can simulate clean room conditions including setups for limited access and complex configuration welds.

Our welding and fabrication team strictly adheres to code requirements and hold-point verification, using informational non-destructive examination (NDE) and supervisor training to maintain the highest performance.