Helping companies increase efficiency and reduce project costs with our welding expertise in project planning and management, fabrication and installation, supervision, and labor. Serving power utilities and advanced energy, chemical markets, and advanced manufacturing including semiconductors, automotive, and biopharmaceuticals.
Project Management & Planning
Fabrication, Installation, & Other Field Services
Manual, Semi-Automatic, & Machine Welding
Large Component Removal & Replacement
Welder Qualifications & Training
First-of-a-Kind (FOAK) & Mock-up Services
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.
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.
UA Welder Certification Program
Construction Users Round Table (CURT)
Helmets to Hardhats (for military service members)
State-level building trades groups
Field and shop end-prep piping and tubing materials
Feedwater heater cutouts
Flange facing
Hole boring
Qualified machining personnel
Full Non-destructive Examination (NDE)
Post Weld Heat Treat (PWHT)
ASME Section IX
S Stamp, U Stamp, NBIC "R" Stamp
10 CFR Appendix B
Framatome Project Manager at Palo Verde Nuclear Generating Station
Injuries
Weld Reject Rate
Years of Welding Expertise
Projects Completed