Your modern mechanical construction projects deserve groundbreaking thinking that delivers results. Discover end-to-end solutions grounded in collaboration, safety, and eight decades of proven expertise.
A rock-solid foundation for your project—any size, any place. Expert prep and pour for performance you can count on.
In-house design-assist services lower costs, boost constructability, and reduce overall schedules for success from the very start.
Decades of experience with the most demanding equipment challenges means we get the job done—and we mean the whole job.
Powering innovation and infrastructure for every industry. Specialized systems you can rely on for the long haul.
Our dedicated service team will work with you to create a customized maintenance plan that satisfies the needs of your facility.
Harder's sheet metal division provides complete HVAC and industrial duct fabrication and installation for all major industries.
Strong, safe, secure—infrastructure that holds to the highest standards. Discover workmanship backed by 80 years of experience.
Smooth, disruption-free service for every phase of your project. Our expertise guarantees safety and success.
State-of-the-art tech for designs that deliver. We combine leading-edge tools with decades of experience to envision and execute with excellence.
Harder Mechanical designs and builds sophisticated, modern mechanical solutions using bold thinking, process innovation, and continuous improvement practices that tackle the industry's most complex construction challenges.
We understand the unique challenges of building in the California environment. Find out how our go-big, go-bold approach can make your next project exceed every expectation.
999 Canal Blvd, Building Suite C, Richmond, CA 94804