Cornerstone Consulting and Technology is a consulting and Information Technology (IT) professional services corporation. Situated in San Francisco, Calif., the company offers an array of services, including network design and engineering, data communication management, business process reengineering and documentation technical writing. Cornerstone Consulting and Technology is a part of the Cornerstone Concilium Inc., a professional consulting firm offering engineering and management consulting services. The company has partnerships with various companies, such as Gateway, Venturi Technology Partners, Marsh Communications and MRG Global. In addition, it has received certifications from numerous entities, including Washington Metropolitan Area Transit Authority, Amtrak and New Jersey Transit among others.