![]() Hoffman & Hoffman Hoffman & Hoffman (H&H) is a company that distributes HVAC, filtration, and direct digital control (DDC) systems. | ![]() Gensco Gensco is a company that distributes and manufactures heating, ventilation, and air conditioning products. | Research Products Research Products is a company that manufactures and distributes indoor air ventilation and filtration products. | |
Founding Date | Founding Date 1947 | Founding Date 1948 | Founding Date 1938 |
Type | Type Private | Type Private | Type Private |
Tags | |||
Locations | Locations Greensboro, US HQ Asheville, US Charleston, US Charlotte, US Chattanooga, US Chesapeake, US Greenville, US see more | Locations Madison, US HQ | |
Employees | Employees 4323% increase | Employees 1,000 | Employees 611 |

Gensco is a company that distributes and manufactures heating, ventilation, and air conditioning products.
View companyResearch Products is a company that manufactures and distributes indoor air ventilation and filtration products.
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