Serving industrial, commercial, and building service clients with project capabilities nationwide.
“We are a full-service, merit-shop, design-build commercial/industrial mechanical contractor. Our company was founded in 1945 with a solid commitment to customer service that still exists today. The ACI team comprises of engineers, project managers, skilled welders, pipe fitters, sheet metal mechanics, service technicians, and support staff who are all dedicated to serving our clients.”
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ENGINEERING & DESIGN BUILD
Integrated engineering and constructability planning that helps optimize system performance, reduce project risk, and improve coordination before construction begins.
INDUSTRIAL PROCESS PIPING
Specialized piping systems engineered and installed for complex industrial and commercial facilities requiring reliability, precision, and long-term operational performance.
PREFAB & FABRICATION
In-house pipe and sheet metal fabrication that improves quality control, accelerates schedules, and minimizes installation time in the field.
MECHANICAL CONSTRUCTION
Full-scope mechanical installation delivered with strong safety standards, skilled craftsmanship, and reliable execution from start to finish.
Full-service mechanical contractor
We not only engineer and design mechanical systems but also install, maintain, retrofit, and upgrade them. Today, our depth and breadth of service are second to none, and we’re continually improving and innovating our work through mechanical engineering services. Whatever the project, we give customers like you a distinct set of advantages:
A national footprint with a strong Iowa presence.
Technical proficiency with all major equipment manufacturers.
An Energy Star® partner and member of the Green Building Council; LEED® accredited pros in each of our operating companies.
INDUSTRIAL PROCESSING PIPING
PREFABRICATION
CONSTRUCTION
PIPE FABRICATION
SHEET METAL CONSTRUCTION
Markets We serve
Mechanical Systems Powering Critical Industries
Delivering high-performance mechanical systems for industrial facilities, commercial buildings, and mission-critical environments.
Workplace injuries often result from unsafe practices, hazardous conditions, or improper chemical storage. While not all accidents are preventable, understanding their causes and promoting safety can help reduce risks.
At ACI Mechanical, we deliver safe, efficient, and innovative mechanical solutions. Our streamlined process—from design to installation—ensures every commercial and industrial project is completed on time, on budget, and to the highest standards.
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PLAN
Collaborate with clients using advanced design tools and 3D modeling to visualize and optimize project outcomes.
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FABRICATE
Utilize our in-house sheet metal and pipe fabrication shops for precision, speed, and cost control.
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BUILD
Execute construction with a focus on safety, schedule, and craftsmanship—meeting and exceeding industry standards.
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DELIVER
Complete projects on time with full quality assurance and provide ongoing support to ensure long-term performance.
780+ years combined experience
leadership
Lead with Purpose. Inspire with Action
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