Zip Chip, Inc., dba Zip Technology, was a company that made the Zip Chip accelerator for the Apple II.  It was incorporated on October 10, 1986, and headed by J.P. Heyes.
Zip was one of two companies started by former employees of McT, which made the SpeeDemon accelerator.  The other was Bits & Pieces Technology, which made the RocketChip accelerator. Zip successfully sued Bits & Pieces for patent infringement and consequently forced that company out of business. 
Research Methods: Online resources
- Crack'ed (unreleased) (Atari)