For over 30 years, Mainstream has served the HVAC industry, manufacturing custom solutions for mission critical environments, including data centers, healthcare facilities and more. We’re at the forefront of a quickly-evolving industry, where our innovation and agility have given us an edge. We pride ourselves on our ability to leverage our knowledge and expertise to find solutions for our customer’s air handling needs. Mainstream is scaling up quickly, and adding great people to our team every day. If you’re looking for a role that will be immensely challenging and even more rewarding, where you can have a real impact and help build something lasting—don’t hesitate to reach out.
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The Mainstream Fluid & Air annual revenue was $11.5 million in 2026.
Sheldon Markham is the Director of Business Development of Mainstream Fluid & Air.
34 people are employed at Mainstream Fluid & Air.
Mainstream Fluid & Air is based in Berkeley Heights, New Jersey.
The NAICS codes for Mainstream Fluid & Air are [332, 541, 54, 3329, 33].
The SIC codes for Mainstream Fluid & Air are [34, 3432, 343].