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Business Details
50+ Years
experience
Expert Mechanical Contracting Services in Fountain Valley
Established in 1947, we are a family-owned mechanical contracting firm committed to delivering excellence in design-build solutions. Our expertise spans healthcare facilities, high-rises, entertainment complexes, and industrial projects, supported by advanced BIM technology and prefabrication capabilities. With over 70 BIM operators and a $2 million investment in construction-specific technology, we prioritize safety, innovation, and client collaboration.

Our team of seasoned professionals, many with decades of tenure, ensures projects meet rigorous quality and sustainability standards. Operating across California, Hawaii, and Colorado, we maintain a 2022 safety EMR of 0.56, reflecting our unwavering commitment to workplace safety. As a 100% employee-owned company, we combine technical precision with a personalized approach to serve clients nationwide.
Services
BIM 3D/Prefabrication Mechanical Contracting Plumbing Systems Design-Build Projects Fuel Oil Systems LEED Certification Process Piping Prefabrication Services Service & Warranty Sheet Metal Work
Details
  • Year established: 1947
Highlights and features
  • We have completed over 3,000 projects since 1947.
  • Our team includes 70+ BIM operators with $2M+ invested in construction technology.
  • We maintain a 2022 safety EMR of 0.56, exceeding industry standards.
  • Our LEED-certified specialists optimize energy efficiency and sustainability.
  • We operate 100% employee-owned, ensuring accountability and dedication.
Services
BIM 3D/Prefabrication
Our BIM and prefabrication services leverage advanced 3D modeling to enhance project accuracy and efficiency. By creating detailed digital representations, we identify constructability issues early, reduce field labor, and ensure seamless coordination. This approach minimizes waste, improves safety, and accelerates project timelines while maintaining high-quality standards.
Mechanical Contracting
We provide comprehensive mechanical contracting for HVAC, plumbing, and process piping systems. Our team designs and installs energy-efficient solutions tailored to healthcare, residential, and commercial projects. With LEED-certified specialists, we ensure compliance with sustainability standards and optimal system performance for long-term client satisfaction.
Design-Build Projects
Our design-build methodology combines architectural vision with construction expertise to streamline project delivery. By managing both design and execution, we reduce costs, shorten timelines, and maintain accountability. This collaborative approach ensures alignment with client goals from concept to completion.
Fuel Oil Systems
We design and install fuel oil systems for backup generators and industrial applications. Our engineers create customized solutions compliant with local regulations, including above-ground and underground storage. With in-house CAD support, we ensure precise engineering and safe, reliable system operation for critical facilities.
LEED Certification
Our LEED-certified specialists integrate sustainable practices into mechanical systems to reduce energy consumption and environmental impact. We guide clients through LEED compliance, optimizing designs for efficiency while meeting rigorous certification standards. This focus ensures cost savings and eco-friendly outcomes for modern construction projects.
People
Ron McMackin
Chairman
Ron McMackin leads Pan-Pacific Mechanical with decades of industry experience, guiding strategic growth and fostering a culture of innovation and family values.
Reed McMackin
Chief Executive Officer
Reed McMackin drives operational excellence as CEO, leveraging his expertise in mechanical contracting to ensure client satisfaction and company leadership in complex projects.
Matthew Pagano
Chief Financial Officer
Matthew Pagano oversees financial strategy, ensuring fiscal strength and sustainable growth for Pan-Pacific Mechanical through prudent resource management and forward-thinking planning.
Joe Koh
President - Southern California
Joe Koh manages Southern California operations, bringing extensive regional expertise to deliver high-quality mechanical solutions aligned with client needs and industry standards.
Tom Conroy
President Northern California / Hawaii
Tom Conroy leads Northern California and Hawaii divisions, ensuring operational excellence and client collaboration across diverse construction projects in these regions.
Questions
What services does Pan-Pacific Mechanical offer?
We specialize in mechanical contracting, BIM/prefabrication, plumbing, fuel oil systems, LEED-certified projects, and design-build solutions for healthcare, residential, and commercial sectors.
How long has Pan-Pacific Mechanical been in business?
We have served clients since 1947, delivering over 3,000 projects with a focus on innovation and safety.
What regions does Pan-Pacific Mechanical operate in?
We operate in Southern California, Northern California, Hawaii, Colorado, and serve clients nationwide through our employee-owned model.
Does Pan-Pacific Mechanical use advanced technology?
Yes, we utilize BIM, Revit, Navisworks, and prefabrication techniques, supported by 70+ BIM operators and $2M+ in construction-specific technology investments.
Is Pan-Pacific Mechanical committed to safety?
We maintain a 2022 safety EMR of 0.56, conduct quarterly safety meetings, and prioritize a culture of safety through training and incentives.
What industries does Pan-Pacific Mechanical serve?
We serve healthcare, hospitality, residential, commercial, industrial, and public works sectors, including projects like hospitals, high-rises, and entertainment complexes.