Aethon, Inc. is the leading maker of practical, dependable courier robots for hospitals. The company’s proprietary, fully autonomous robots improve efficiency of hospital deliveries such as clinical supplies, pharmaceuticals, food, linen, waste and other items.

Healthsense Inc. is a market leader in providing technology solutions for the future of aging services. Healthsense offers completely integrated systems based on a standard Wi-Fi platform for Personal Emergency Response Systems, nurse call and remote safety. These systems are scalable, flexible and proven across a broad base of installations. The flagship Healthsense product is the eNeighbor® system, which monitors individuals in their homes and automatically calls for help if it detects a possible problem. The eNeighbor® system utilizes a series of wireless sensors placed throughout the residence that capture the occupant's activities of daily living.

Management Health Solutions, Inc. is a full service supply chain management company specializing in physical inventory measurement, data management, and supply chain optimization services for hospitals. The Company utilizes state-of-the-art technology to create greater visibility for the clinical supplies that are purchased, used, and stored and thereby improve health care quality while reducing clinical supply costs.

ActiveHealth Management, Inc. was acquired by Aetna Inc. in May 2005. Prior to the acquisition, ActiveHealth Management was a healthcare information technology and services company focused on improving the effectiveness of disease diagnosis and management. Key to the company's capabilities was proprietary software that integrated a wide array of clinical information with protocols and standards to elevate the quality of care in real time and reduce the overall cost for payors.

AMICAS, Inc. was acquired by VitalWorks, Inc. in November 2003. Prior to the acquisition, the company was engaged in the development and marketing of web-based Picture Archiving and Communication Systems "PACS" that provide diagnostic quality radiology image management services, including secure image capture, distribution, workflow integration and image archiving.

Health Language, Inc. is a healthcare information technology company engaged in the development and marketing of a proprietary middleware application called LE (Language Engine) that automates the incorporation of controlled medical vocabulary and coding standards into healthcare IT applications. The principal benefits of this application are substantially improved decision support systems and more efficient and accurate computerized order entry that can lead to a reduction in medical errors and improved patient safety.