upfitter

\\ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷\ noun

Etymology: up (II) + fitter (after fit up, v.)

1. : one that attaches hardware and trim to wooden furniture — called also fitter

2. : one that fits and assembles tops to casket bodies and puts in the hinges and other hardware — called also fitter

3. : an assembly line worker who installs door handles and other hardware in automobile bodies