Search results for heat-guns are below:

https://www.masterappliance.com/

Today our heat tools are used for drying, heating, welding, shrinking, soldering, desoldering and for many other applications where heat is the need. -Master Appliance Co.

Located in a modern manufacturing facility in Racine, Wisconsin, Master Appliance introduced the first industrial quality heat gun to the worldwide marketplace in 1958. -Master Appliance Co.

◊ Note-> Not all of their products are manufactured in the USA - but they manufacture some heat guns in the USA.