Computer Store in Chicago, IL
SIGMA COMPUTER has been in business since 1997 at SWAP-O-RAMA flea market. Meanwhile, our business begins to grow, SIGMA COMPUTER has been moved to SUPER MALL in 1999. We're a new / used computer sales and repair store that provide fast service to clients. We provide competitive price and perfect service. We stock most of the common desktop and laptop parts. We do special orders and custom built PC so please give us a call and see how may we assist you.