ERock 

ERock Inc is a vertically integrated company that designs, deploys, operates and maintains multi-purpose distributed power systems, consisting of its proprietary, low emission, quick-response natural gas generator and embedded software technology, for its customers. Its systems are used for bridge power, backup power, and dispatchable power applications, and are supported by operations, maintenance, and asset management services. The company's modular power systems are designed for rapid deployment and are used to support a range of customer power requirements. The company derives the majority of revenue from power system sales.