HNI Corporation is one of the largest office furniture manufacturers in the world in regard to revenues resulting from office segment sales. HNI is also the world's leading hearth products company, manufacturing and marketing gas, electric, wood and biomass burning fireplaces, inserts, stoves, facings and accessories. The company was founded in 1944 by engineer C. Maxwell Stanley, advertising executive Clem Hanson, and industrial designer H. Wood Miller. Its headquarters are in Muscatine, Iowa, with operations located in Muscatine, in various other U.S. states, and in Asia.