HSM or H.S.M. may refer to:
HSM is an American company globally manufacturing discrete components and integrated solutions for transportation, furniture, bedding and other markets. The closely held, family-owned firm is based in Hickory, North Carolina where it was founded in 1944 by Parks Underdown as the "Hickory Springs Manufacturing Company." In May 2013, Hickory Springs Manufacturing Company announced it was being rebranded as “HSM.”
The company operates 50 plants employing nearly 2,500 workers in 17 states and is ranked as one of North Carolina's largest employers. It also operates a plant in the Guanlan industrial park area of Shenzhen, China, that produces recliner mechanisms.