Ground service providers offer a range of services from simple rack space to commodity hardware accessed by a VPN tunnel. However, it is worth evaluating the entirety of the chain with respect to the work your team will have to perform to integrate. If you are launching your first test spacecraft, and need 2 full time engineers to perform integration with ground providers, it can dramatically affect your costs. As a result, you have to ask yourself: what will I get in return from each ground service provider?