I am a 1 man shop.
I work on a wide variety of equipment. From Home PC's to Commercial networks.
I provide the following:
Computer / Network Configurations and repairs.
Malware / Virus Removal
Software Installation and some training depending on software, and level required.
I don't maintain any inventory, but depending on the Make/Model and critical nature of the service required, I can help facilitate obtaining/installing the necessary parts and software to fix your computer problems.