About Us... Since 1993, Quality Products and Great Service Established in Phoenix Arizona in 1993, Computer Alliance has become a valued source for business computer systems, point-of-sale systems, components and computer repair in Arizona. We offer only the best quality products and services at the most competitive prices. If you have a home office or a multi-million dollar business network, your customer satisfaction is our goal. Professional, Courteous, Knowledgeable Most of our business is from referrals, and we believe this is the best advertising. Our sales and technical staff are professional, courteous and knowledgeable. You can be assured you are getting a competitively priced product and superior customer service. We'll be there for you! Our team of consists of Microsoft Certified Technicians and Network Experts with over 50 years combined experience. Call us today to learn why Computer Alliance should be your business' technology partner. Contact us for more info