David J. Porte

LCC International, Inc. provides engineering and network services for the telecommunications industry. It offers planning, design, deployment and ongoing operations and maintenance of wireless networks to wireless service providers, satellite service providers, telecommunications equipment vendors, systems integrators and tower companies. The company was founded by Rajendra Singh in 1983 and was headquartered in McLean, VA.

SBA Communications Corp. owns and operates wireless communications tower structures, rooftops and other structures that support antennas used for wireless communications. It operates in two business segments: Site Leasing and Site Development. The Site Leasing segment lease antenna space on multi-tenant towers to a variety of wireless service providers under long-term lease contracts in the United States, Canada, Central America, and South America. The Site Development segment provides end to end services to wireless service providers or companies providing development or project management services to wireless service providers. It also includes consulting and construction related activities. SBA Communications was founded by Steven E. Bernstein in 1989 and is headquartered in Boca Raton, FL.

Headquartered in San Diego, CA, WFI (NASDAQ: WFII) is an independent provider of systems engineering, network services and technical outsourcing for the largest wireless carriers, enterprise customers and for government agencies

Opticore AB develops and sells software for three-dimensional visualization. It provides software for interactive and realistic three-dimensional visualizations and presentations. The company was founded on July 12, 1995 and is headquartered in Gothenburg, Sweden.

Lightbridge Communications Corp. provides wireless and wire-line network services and solutions. It serves governments, enterprises, and the telecommunications industry. The firm specializes in all facets of network planning, design, deployment, and optimization. Its services encompass consulting, design, deployment, performance and operations, maintenance services, and training through the Wireless Institute. The company was founded by Rajendra Singh in 1983 and is headquartered in Herdon, VA.