Federal Risk and Authorization Management Program (FedRAMP) is a certification that is mandatory for companies that want to work with public organizations in the USA.
FedRAMP Providers
FedRAMP Certified Provider List
FedRAMP is a centralized certification process for the security of cloud services, allowing vendors to go to a single source for certification that then applies across the USA government.
FedRAMP certified provider list
FedRAMP Providers Obligations
FedRAMP providers need to perform an annual assessment.
Annual Assessment Guidance website