The Armistead group of companies, consisting of Armistead Mechanical, Armistead Mechanical Inc. Services, and Acorn Plumbing and Heating, Inc. has been servicing clients throughout the New York/New Jersey area for over 100 years. Our expertise lies in industrial and process piping, high purity orbital welding, plumbing, residential and commercial HVAC design and installation, temperature controls, preventative maintenance, and innovative services such as VDC, 3D coordination, and prefabrication.

Full-service takes on a whole new meaning with us, so no matter the size of your next project, we’ve got a solution for you. Choose the appropriate portal below and let’s get to work!

ARMISTEAD MECHANICAL, INC.

Armistead Mechanical is a full-service mechanical contractor providing design/assist and mechanical construction services for industrial, healthcare, and commercial applications.

ARMISTEAD MECHANICAL, INC. SERVICES

AMI Services is committed to the delivery of exceptional service, maintenance and retrofit projects for HVAC systems and building controls.

ACORN PLUMBING & HEATING

Acorn provides plumbing and HVAC services to homes and light commercial businesses.