Complex projects

The depth and breadth of our team members’ expertise means A.O. Reed can handle commercial projects of all sizes and complexity. Our vast experience leaves us well positioned to design solutions that address challenging issues.


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Being a good corporate citizen starts at home. A.O. Reed continuously seeks to eliminate all types of waste, protect the environment and increase operation efficiency to become more sustainable, while reducing costs.

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Working collaboratively begins from the moment a project begins, when A.O. Reed teams with the customer to discuss needs and goals. That teamwork is maintained as we interface with general contractors and other subcontractors.

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Expert planning

A.O. Reed utilizes the Building Information Modeling (BIM) process, technology that promotes cost-effective design and installation by coordinating the activities of various subcontractors and eliminating the element of surprise.


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24/7 Service

A.O. Reed’s emergency response team has the bandwidth and expertise to address any plumbing- or HVAC-related problems, 24 hours a day, seven days a week. This group of 75 technicians also performs preventive maintenance and completes energy and water projects.

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Tradition and culture

We have a strong sense of community and special “know how” passed with passion from generation to generation. A.O. Reed is a special company where our people are proud of their past and excited about their future.

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Safety and Training

A.O. Reed places the highest value on employee safety; we value the health and well being of everyone on our job sites above all else. We believe safety begins from the earliest design stages through production to project and service delivery.

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Southern California’s Leading Mechanical Contractors



Our History

Privately held companies that are 100 years old are few and far between in
Southern California. Here are a few highlights from our first century in business.


Albert O. and Harry
Reed open A.O. Reed

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