IonQ, Inc. engages in the development of general-purpose quantum computing systems in the United States. It sells access to quantum computers of various qubit capacities. The company makes access to its quantum computers through cloud platforms, such as Amazon Web Services (AWS) Amazon Braket, Microsoft's Azure Quantum, and Google's Cloud Marketplace, as well as through its cloud service. It also provides contracts associated with the design, development, and construction of specialized quantum computing hardware systems; maintenance and support services; and consulting services related to co-developing algorithms on quantum computing systems. The company was incorporated in 2015 and is headquartered in College Park, Maryland.