It is known as Nash-Kelvinator, and it was a major automobile manufacturer.

“Logo Nash”

-During World War II this factory was also commissioned to build a series of Pratt & Whitney radial engines.

From Appendix 6: Below we present an ad from the WWII period in which car manufacturer Nash announces its aviation engine.

“Nash aviation engine ad”

-The licensed engines were from Pratt & Whitney.

From Appendix 10:  During WWII Nash-Kelvinator manufactured bombs, ammunition, propellers and also aircraft engines licensed from Pratt & Whitney.

-In particular, the R-2800 models.

"A Nash-Kelvinator R-2800"

-They made the R-2800-8 for the Corsairs, the "sidewinder" model with a side supercharger.

-The R-2800-10 engines were installed on the Gruman Hellcat F6F.

-The R-2800-65 engines were for the P-61 “Black Widow”

"The Nash-Kelvinator R-2800-65" (Photo M.Rozman or B. Scott)

-A very interesting view of a Corsair R-2800 can be seen in the below illustration with the mechanical supercharger on one side.

“P&W R-2800 with supercharger”