Computer Stores in Diamond Bar, CA

Comprehensive list of Diamond Bar, California based computer shops & stores offering new and used pc computers, laptops, notebooks and hardware components for sale.

Business Listings

R&J Technology is a mail-order based firm established in Diamond Bar, CA, 1995. Our specially trained sales representatives all have over 5 years knowledge in the PC industry. This enables us to provide you the highest service and prices on net. Our mission is to supply the highest possible prices and services on the net.


Mission Statement: TopMicroUSA has been in business since 1989. With over eighteen years knowledge of satisfying clients and fulfilling orders, we currently have established a growing reputation as a trustworthy firm. We focus on bringing you quality connectivity products, accessories, notebook batteries and adapters, and other great products at sensible prices.


Mwave was established in 1989, and is situated in Southern California in the City of Walnut. We currently have an existing client base of over 3 million users. Mwave started its quest as a wholesale parts distributor for computer hardware back in 1989. Shortly thereafter mwave redirected its focus to end-users, providing custom built-to-order PCs.



IPEX established in 1997, is one of the top memory module and CPU distributor in the US. The firm distributes storage products, CD-ROM, CDR/CDRW, motherboards, fast Ethernet switches, network hubs, and other peripherals for PCs. Since 1997, IPEX has expanded from a memory module and CPU only distributor to a single source provider for all PC peripherals.


Megatop Information is committed to delivering our business partners with a reliable source of leading PC products, exactly when needed, at realistic prices, and with superior pre-sale and post-sale client service.


Min Maw International MMI is exploring the new frontier of excellence in the computing industry. In the past decade, we've been laying the groundwork to surpass industry standards for quality, value, and client service. MMI manufacturers and sells hardware for individual computers. Our origins are in the design and creation of tools used to stamp sheet metal.


Advanced Data Management has been delivering quality Computer Software, Hardware, and Technical Support for over fifteen years. We pride ourselves on our high levels of client service and quality support. Providing our clients with the correct products, and the correct support, for the best price is what gives us our loyal client base for almost 2 decades!


PTC HDMI Active Extender Over Cat5E Cables The PTC HEB-201 enables you to extend your HD signals up to 230 ft from your HDTV sources using two CAT-5E cables. It enables up to 2 HD devices such as DVD players, Satellite Boxes, Game cons. It is a flexible solution to accommodate multi.