MGM Record Manufacturing Division

A Bloomfield, New Jersey-based division of Keel Mfg. Corp.).

It operated in conjunction with MGM Custom Pressing Division, which offered recording, mastering, stereo, shipment, and pressing services to other clients.
- For all non-MGM Custom Pressing Division.
- For its sister company, please see MGM Records Division.

Vinyl format releases issued by MGM Records and its subsidiary labels can be identified by the following:
- "MG" or "MGS" hand-etched on releases issued through at least 1969.
- Block-shaped "S" stamp (image)
- Closed block shaped "1", a.k.a., "T" stamp (image)
- "Ankh" symbol stamp (mainly on releases issued during the early 1960s) (image)
- "Sailor's cap", a.k.a., inverted "crown" stamp (image)