Shape Optimedia, Inc.

CD replication company and manufacturer of blank media; no longer active.
CD production started in 1986. Any previous date for CDs is invalid.
Circa 1989, reopened under new ownership as U.S. Optical Disc.

They also manufacture the SHAPE Mark 10 audio cassettes
The cassette shells usually have embossed: U.S. PAT 4.506.846
Cassette production started in 1983