Computer Automation Inc. was a computer manufacturer founded by David H. Methvin in 1968, based originally in Newport Beach, California, United States. It opened a sales, support and repair arm in the UK in 1972, based at Hertford House, Maple Cross, Rickmansworth, Hertfordshire. Later relocated to Suite 2 Milfield House, Croxley Centre, Croxley Green, Watford, Hertfordshire. In 1969, CA announced full production of the Model 816, a 16-bit general purpose computer using TTL integrated circuits for logic and a 3D core memory. Computer Automation consisted of three were divisions, firstly: