George J. Roberts

TVI Corporation designs, manufactures and supplies Decontamination, Command & Control Airborne, Infection Isolation, Mobile Surge Capacity shelters systems and accessories which include generators, trailers and water heaters. TVI also offers a complete line of NIOSH approved Powered Air Purifying Respirators with multiple headpiece and filter cartridge options. Its products serve a variety of markets which include the first responder, fire, law enforcement, healthcare/first receiver, government, military, industrial and commercial. The company performs three primary businesses which include shelters and related products, personal protection equipment and event rentals.

Visual Networks, Inc. is a provider of network and application performance management solutions. The company’s technologies enable enterprises to reliably and securely manage the delivery and performance of key applications such as Voice over IP (VoIP) across their infrastructures. Visual Networks' products increase application and network availability, optimize the use of bandwidth across the network and reduce operating costs across traditional and IP-based infrastructures.

SpecTran Corp. develops and markets a wide range of fiber optic products such as special performance fibers and fiber optic cables, coatings and certain related equipment for use in a variety of emerging and developing specialty product markets. The company is headquartered in Sturbridge, MA.