OEM

Noun

 * 1) A company that produces parts to be sold under another company's brand.
 * 2) A value-added reseller; company selling goods assembled from other companies' parts.
 * 3) All makers prior to initial retail sale, in contrast to aftermarket.

Usage notes
Especially automotive and computer hardware. Software with this label includes just a shrink-wrapped CD, without printed manual, without being inside a box, etc.

Adjective

 * 1)  describing goods sold by or to an OEM

Etymology 2
Abbreviation