| MacCara Integrated PC Systems: Retail sales and service for Intel and AMD based systems. |
| Macena Systems: International distributor selling wholesale computer hardware and peripherals. |
| Macob Systems Ltd.: Computer sales and repairs. |
| MakeMyPC: Custom-built systems, hardware and software. |
| Making Computers: Computer systems for both laptops and desktops plus parts and peripherals. |
| Maple Computer Components: Computer components, hardware and software. |
| Mark III Systems: Reseller of IBM RS/6000 and Netfinity servers, as well as Intel and other computer systems and products. |
| Matrox: Offers graphics cards, upgrades, switches, hubs, NICs, and Internet access products. |
| Max Group: PC component distributors. |
| Maxell: Sells advanced data media, floppy disks, cd recording media cdr and all types of rewritable media. |
| Maxtech Corporation: designs, manufactures and markets a complete line of data communication, connectivity and PC products. |
| MB's Computer Warehouse: Distributor of PCs, computer parts, hardware and accessories. |
| MBsuperstore.com: A source for motherboards and accessories. |
| Mcameron.com: Build and sell custom computer systems and notebook PCs, plus offers repairs and upgrades. |
| MCM Computers: A UK-based retailer offer a full line of computer hardware. |
| Media Recovery: Provider of data recenter and computer supplies, services, and solutions. |
| Media Scene Technology: Hardware supplier of PC computers, laptops, peripherals and components. |
| Media Solutions Enterprises: Supplier of CD-R, DVD-R duplicators and printers, recordable media, and computer media. |
| Medway Computer Components Ltd.: Supplier of computer hardware, peripherals and components. |
| Mega Micro Devices, Inc.: Distributor of peripherals and processors. |
| MegaPenny SuperStore: Online store for computer and electronic products. |
| Meridian Computer and Internet Center: Custom computer systems, hardware and software. |
| Meritline.com: Offers storage, printers, drives and components. |
| MICcomputers.com: California-based store offering complete systems, peripherals, cases and components. |
| Michael C. Hayden Technology Services: Offers computers and tech support. |
| Micro Center: A chain of computer stores across the US, selling desktop systems, notebooks, high-definition displays, printers, digital imaging, computer accessories, gaming systems, software, movies, books, and offering computer repair. |
| Micro Galaxy International Co. Ltd.: Manufacturer of SOHO OA products such as MIGA Voodoo banshee cards, MIGA CD-R/RW/DVD. |
| Micro Sharp Technology, Inc.: Full range of hardware and software. |
| Micro Supply: Sales, support, maintenance and repair of new and used computers and networking gear. |
| Micromoose: Components and peripherals. |
| Microsidecorp: Computer components and parts |
| Microtrade Computers: Australian supplier of custom built computer systems to both the retail and wholesale sector. |
| Mid-Atlantic Research: Provides quality services for, and maintains an extensive inventory of new and refurbished equipment, features, upgrades, and parts and cables for IBM networking products. |
| Midland Computers: Supplies computer hardware, software, networking and Internet services. |
| Mittoni Technologies: Provides business and individuals with computers, electronics, IT hardware and software. |
| Mjmcom.co.uk: Suppliers of computer products, including complete systems in the UK. |
| MNJ Technologies Direct: Provider of business grade computer hardware and software technology products. |
| MonitorWarehouse.com: PC and Mac monitors and LCD flat panel displays. Sony, NEC, Mitsubishi, Viewsonic, as well as projectors. |
| More Power Computer: New and used computer sales and service. Packard Bell and Hewlett Packard authorized service center. |
| Motherboard Zone: A web store for experienced and intermediate PC users. Provides hardware, software and advice for upgrading your PC. |
| MT Unirepair: International service center for computer repairs and spare parts in the Netherlands. |
| Mtocomputers.net: Custom-built computers with parts and repairs. |
| Mustang Computers: California based company offering computer systems, components, accessories, peripherals, and software. |
| Mycomputerman.com.au: Supplies PCs, software and offers on site service, training and support. |
| Mypccity: Specializing in custom built computers and LCD monitors. |
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