Establishments primarily engaged in manufacturing innerspring mattresses, box spring mattresses, and non-innerspring mattresses containing felt, foam rubber, urethane, hair, or any other filling material; and assembled wire springs (fabric, coil, or box) for use on beds, couches, and cots. This industry also includes establishments primarily engaged in manufacturing dual-purpose sleep furniture, …
Examples: Beds, sleep-system ensembles: flotation and adjustable, Beds, sofa and chair: on frames of any material, Bedsprings,
