Armistead Mechanical, Inc. is a premier full-service mechanical contractor and family-owned business with over a century of experience serving the New York and New Jersey metropolitan areas. Founded in 1918 and headquartered in Waldwick, New Jersey, the company specializes in complex mechanical construction, including industrial and process piping, HVAC systems, plumbing, and high-purity orbital welding. Operating from a 35,000-square-foot facility, the firm provides comprehensive design-build, preconstruction, and project management services, supported by advanced Virtual Design & Construction (VDC) and 3D coordination technologies.
As one of the region's largest employers of skilled plumbers and pipefitters, Armistead Mechanical serves a diverse range of sectors, including pharmaceutical, healthcare, food and beverage, manufacturing, and power generation. Their technical capabilities extend to specialized medical gas piping, clean room piping, and in-house Level II NDT weld inspections. Through its affiliate, AMI Services, the company offers 24-hour emergency support, preventative maintenance, and building automation controls for critical infrastructure such as chillers, boilers, and cooling towers.
Armistead Mechanical is committed to sustainability and safety, holding certifications including MSCA GreenSTAR, ENERGY STAR Partner, and ASME Section IX welding qualifications. The company maintains a strong reputation for quality and reliability, serving high-profile clients such as Pfizer, IBM, and General Electric while adhering to rigorous industry standards and LEED practices.
Patented technologyHolds multiple product or process patents.
Industry association memberMember of USGBC, MCAA, etc. association.
Established brandFounded in 1918, with over 20 years of industry experience.
Eco-friendly supplierUses sustainable and eco-friendly materials.
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Retrofit Project – Digital Color Concepts
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Mountainside, New Jersey
A new Lennox rooftop unit was installed with a fresh air economizer and updated fresh air controls.
CONSUMER & PERSONAL CARE PRODUCTS
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FOOD & BEVERAGE
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Acorn Plumbing & Heating, Inc.
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WATER & WASTEWATER
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Certifications
ENERGY STAR
2
Energy Star
ASME
1
American Society of Mechanical Engineers
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