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Business Details
50+ Years
experience
Your Trusted Steel Fabrication Partner in Arizona
MMI Industrial & Steel has been a cornerstone of Arizona's industrial sector since 1974. Founded as a small millwright services company, we've grown into a multi-faceted corporation specializing in structural steel fabrication, erection, and industrial millwright services while maintaining our family-owned roots. Our 50-year legacy reflects our commitment to quality, safety, and community impact through over 100 local employees who contribute daily to our success. We pioneered Arizona's first steel erection project at Frito-Lay Plant in 1984 and completed our largest steel job to date at Phoenix Premium Outlet Mall in 2012.

Our 4H Core Values - Happy, Hungry, Hardworking, and Honorable - guide every project while maintaining a drug-free workplace with comprehensive safety programs including OSHA 30 training and full-time safety director oversight. We've endured economic challenges without layoffs, invested in facility expansions, and continue innovating through strategic initiatives that adapt to market trends while maintaining our founding principles.
Services
Steel Fabrication Steel Erection Industrial Services
Details
  • Year established: 1974
Highlights and features
  • We maintain OSHA 30-certified operations with full-time safety director oversight
  • Our 50-year Arizona legacy includes completing Phoenix's largest steel job to date
  • We've maintained 100% employee retention through economic downturns since 2010
  • Our safety program includes mobile drug testing and mandatory annual training
  • Family-owned business with third-generation leadership continuity since 1974
Services
Steel Fabrication
Our steel fabrication division produces precision-engineered components for commercial and industrial projects. Using advanced equipment and techniques, we create custom structural elements that meet exact specifications while maintaining strict quality control. Our team's decades of experience ensure every fabricated component meets both technical requirements and safety standards.
Steel Erection
We specialize in complex steel erection projects requiring specialized rigging and safety protocols. Our certified crews handle projects of all scales, from initial installations to large-scale replacements like Phoenix's Premium Outlet Mall. Every erection follows detailed engineering plans and safety audits conducted by our full-time safety director.
Industrial Services
Our industrial services include comprehensive millwright solutions for manufacturing and production facilities. From equipment installation to maintenance shutdowns, our skilled technicians handle complex machinery projects with minimal downtime. This division maintains continuous operations since our 1974 founding while adapting to modern industrial requirements.
Questions
What industries do you serve?
We primarily serve commercial construction, manufacturing, and sports venue sectors requiring structural steel solutions.
Are you licensed for large-scale projects?
Yes, with 50 years of experience including Phoenix's largest steel job at Premium Outlet Mall in 2012.
How do you ensure worker safety?
Through OSHA 30 training, full-time safety director oversight, and comprehensive programs including drug testing and safety audits.
Can you handle emergency repairs?
We prioritize scheduled projects but maintain capacity for urgent structural steel needs with 24/7 contact availability.
What makes you different from competitors?
Third-generation family ownership, 50-year Arizona legacy, and proven ability to complete complex projects without layoffs during economic downturns.
Do you work outside Arizona?
While based in Arizona, our expertise serves regional projects requiring specialized steel fabrication and erection services.