Generally, electronic products need service and maintenance in a cyclic period of time for a better performance. Computer hardware is not an exception for this rule. You always need to service or replace your hardware components after a certain period of time. It is important to choose the best service provider to help you with your system. Most of the companies that sell computer products also provide support and service. They offer a free service within a limited period of time. Here are the hardware service and support companies listed out.