National Audio Company projects (D. Hoekstra photo)
SPRINGFIELD, Mo.—Rewind.
The National Audio Company near downtown Springfield does more than backtrack the past as the largest manufacturer of cassette tapes in the world. Vintage maple desktops in the company’s first-floor office have classic pink “While You Were Out” notepads. Employees still come to offices and answer phones at National Audio, just a country heartbeat from the birthplace of Route 66.
Company president Steve Stepp is a model train buff and sings the praises of songwriter Neil Young, a long-time Lionel train collector, [...]
