Donald M. Mackay

Protasis, Inc. provides computer management and engineering services. Its solutions include total equipment management, embedded systems development, web development, aerospace technology, simulation and modelling, and general business tools. The firm’s services include complex system solutions, e-business solutions such as intranets, extranets, and portals, custom web application design and development, system integration and testing, and technical project management. The company was founded in 1990 and is headquartered in Alexandria, VA.