Hard ware Support
Hardware maintenance and support services are remedial services that physically repair or optimize hardware, including contract maintenance and per-incident repair.
Software Installation and Application Development
the act of making the program ready for execution.
Systems integration
Creating a complex information system that may include designing or building a customized architecture or application, integrating it with new or existing hardware, packaged and custom software
Customer support
Customer support is a range of customer services to assist customers in making cost effective and correct use of a product.