Amperion is a provider of network access equipment used to provide broadband applications over powerlines

Predictive Power provided products and services to the electric power industry for real-time condition assessment and predictive monitoring of high voltage equipment. Its products helped electric utilities, power producers, and industrial customers improve the reliability and cost effectiveness of their substations. Predictive Power's first commercial product, the TapTracker , was developed to monitor the condition of load tap changers, and combined patent-pending hardware sensors, Internet technology, and an suite of tools to provide online condition assessments. The company's second product, the MicroArc, utilized patented technology to diagnose key failure modes in power transformers.

Electrodynamics is developing high power density electric power generators and controllers for aerospace, vehicular, and distributed power systems (DPS); and electric motors with controllers for propulsion and other special applications. The control technology is based on use of DSP's in the loop for optimized, efficient power systems using compact IGBT based inverters. The power range is from 5 kW to 5 MW. Electrodynamics' is making substantial progress to aggressively reduce weight and size and improve the operating performance using the most current materials, hardware, and software technologies.

Exacter Inc. based in Columbus is a diagnostic service provider that aims to enable electric utilities to proactively avoid power outages. Their service is marketed as Intelligence-Based Preventive Maintenance which is based upon mobile EXACTER surveying instrumentation units connected to a web portal via cellular communications. EXACTER units require no new rolling stock new personnel training or capital expenditures for the customer. The utility maintenance dispatchers use the web portal to access data that locates failing equipment and its fault severity.

Silicon Power is a technology developer and solutions provider in the high-power semiconductor devices, pulsed-power modules, and utility-applicable systems industry. The company offers power solutions that maximize equipment uptime, resilience of power networks, and improve the resilience and capacity utilization of MV/HV AC networks. It primarily sells to businesses and industries that require uninterrupted operations and improved bottom line performance. It is based in Malvern, Pennsylvania.

nke Watteco provides smart sensor solutions and multiprotocol remote data collection systems. The company's products help with electrical heating control, heat pump management, building energy management, smart metering, and smart grids. nke Watteco was formerly known as nke Electronics. It was founded in 1998 and is based in Hennebont, France.