Founded in 2000, Rosum's investors include Charles River Ventures, KTB Ventures, Motorola, and Microtune. Rosum is developing GPS-type products that use broadcast television signals for positioning and tracking in urban and indoor locations where traditional GPS systems are not reliable. Rosum's technology integrates TV-based positioning with Global Locate's Hammerhead A-GPS chip. Applications for Rosum's technology may include people tracking, mobile resources management, public and personal safety, homeland security, and asset tracking.

Interact Holdings Group, Inc. Company Profile Interact Holdings Group (formerly The Jackson Rivers Company) changed horses mid-stream and came out on the other bank as a technology company. Through its Diverse Networks subsidiary (acquired in 2005 via a reverse merger) the company provides wired and wireless communications network engineering services. After expanding its operations through various acquisitions, the company has pared back its holding in recent years, selling its JRC Global Products subsidiary and mutually agreeing to rescind the purchase of its UTSI International subsidiary.

XO Holdings gets down to the Xs and Os of business telecom services. The holding company for XO Communications provides telecommunications services to large corporations, small and midsized businesses, government agencies, and other telecom carriers over a network of about 1 million miles of metropolitan fiber. XO Communications offers local and long- distance voice, dedicated Internet access, private networking, data transport, and managed services such as Web hosting and bundled voice and data services. The company has more than 90,000 customers, including wholesale network access provider Covad Communications and network and IT services provider SAVVIS. Billionaire financier Carl Icahn controls 89% of XO.

Teleste is an international technology group founded in 1954, which is specialised in broadband video and data communication systems and services. The group is active in two business segments, Video and Broadband Solutions and Network Services; in both fields, the company is among the global leaders. Video is at the core of the company business activities, with a focus on the processing, transmission and management of video and data for operators and public authorities who provide multiple video-related information, entertainment and security services to end-users. Video and Broadband Solutions business segment has the emphasis on product solutions for broadband access networks, video service platforms and video surveillance applications. Network Services segment deliver comprehensive network service solutions including new construction, rebuilding, upgrading, planning and maintenance services of cable networks. In 2009 the group's net sales totalled EUR 142 million and the group employed 1260 persons at the year-end. The company has approximately 30 offices world-wide and over 90% of Teleste's net sales are generated outside Finland. The company is listed on the NASDAQ OMX Helsinki Ltd.

China GrenTech Corporation Limited, together with its subsidiaries, engages in the manufacture and sale of wireless coverage products and services in the People’s Republic of China. Its wireless coverage products include repeaters, trunk amplifiers, and base station amplifiers, which supports various transmission protocols, including GSM, CDMA, TD-SCDMA, WCDMA, and CDMA2000. The company offers its wireless coverage products in the areas of indoor coverage, which distributes emission of radio signals from the base stations to cover the entire facility in indoor environments, such as high-rise buildings, underground areas, and elevators; and outdoor coverage, which provides wireless coverage in specified geographic and topographic regions that include highways, railways, subways, and tunnels. China GrenTech Corporation also provides wireless coverage services, such as design services, installation of wireless coverage products, and project warranties. In addition, the company develops, manufactures, and supplies RF parts and components, such as filters, duplexers, multi- frequency splitters, combiners and couplers, and antennae; RF-based wireless access products; and base station RF subsystems. It offers its wireless coverage products and services to telecommunications operators; and base station RF parts and components to base station equipment manufacturers. The company, formerly known as Powercom Holdings Limited, was founded in 1999 and is headquartered in Shenzhen, the People’s Republic of China.

Saskatchewan Telecommunications, known as SaskTel, provides telecom services to about 425,000 residential and business customers in the Canadian province of Saskatchewan. Services include landline and wireless phone, broadband Internet, and data services such as Web hosting. Its business services include voice, Internet, and data connections, as well as managed network services and wholesale access for other carriers. The company also provides digital TV service under the Max Entertainment brand. Its SecurTek unit, offers security monitoring services, while Hospitality Network handles in-room communications for the health-care industry. Founded in 1908, SaskTel is owned by the provincial government of Saskatchewan.

Plasticomm Industries (PCI) provides a wide range of engineering and installation services for the deployment of telecommunication networks. These services include network planning and engineering, cable manufacturing and laying, network auditing, warehousing and distribution, and program management. The company also offers consulting services related to communications networks, Internet commerce services , and wireless services. PCI distributes, installs, and maintains networking equipment from such information technology vendors as Cisco. Its clients have included ADTRAN, Verizon, and the State of Colorado.

The name Panasonic Mobile Communications rings in many ears. The company makes Panasonic-brand mobile phones and wireless base stations and terminals for building cellular communications networks. Panasonic also makes automotive electronics (such as car stereos and navigation systems), professional audio and video equipment, disk drives, electronic measurement equipment, and giant Astrovision video screens for sports arenas worldwide. Panasonic Mobile Communications is owned by Nippon Telegraph and Telephone (60%) and Matsushita Electric Industrial (40%).

SureWest Telephone, a subsidiary of California-basedSureWest Communications, is the incumbent local-exchange carrier serving a service area of about 80 square miles located in parts of Placer and Sacramento counties. It provides local and long-distance phone service to business and residential customers. In partnership with SureWest Communications' broadband unit, SureWest Telephone also offers high-speed Internet access over DSL, digital video, and computer telephony. SureWest Telephone was founded in 1914 as Roseville Telephone.

LXE develops wireless data communications hardware and software for logistics, manufacturing, warehousing, transportation, and health care applications. The company's systems, which include radio-frequency terminals, handheld and vehicle-mounted computers, bar code scanners, and communications software, enable wireless interaction between mobile computers and terminal operators. Applications include inventory management and shipment tracking. LXE also makes network access devices used to connect with wireless LANs.

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