Joseph Hart

Crown Castle International Corp. owns, operates and leases shared wireless infrastructure, including towers and other structures such as rooftops, distributed antenna systems and interests in land under third party towers in various forms. The company's core business is to provide access, including space or capacity, to its towers, and to a lesser extent, to its small cells and third party land interests via long-term contracts in various forms, including license, sublease and lease agreements. It operates its business through two segments: Crown Castle United States of America and Crown Castle Australia. The Crown Castle United States of America segment provides access to wireless carriers under long-term contracts for their antennas which transmit a variety of signals related to wireless voice and data. The Crown Castle Australia segment provides access to antenna space on towers to its customers. This segment also provides a range of services, including site maintenance and property management services for towers owned by third parties. Crown Castle International was founded by Edward C. Hutcheson Jr. and Ted B. Miller Jr. in 1994 and is headquartered in Houston, TX.

IPWireless, Inc. develops and delivers silicon, software, and network infrastructure wireless solutions. The company was founded by John D. Lockton, William J. Jones and Roger P Quayle in April 1999 and is headquartered in San Francisco, CA.

Part of AT&T, Inc., AT&T International, Inc. provides telecommunication services. The private company is based in Wilmington, DE. The CEO of the company is Lori M. Lee.

1900 TelCom Holdings, Inc. provides network design and engineering services. It offers outsourcing, telecom engineering, construction management, project management, network installation, and professional staffing. The company was founded in 1988 and is headquartered in Birmingham, AL.

Goodman Networks, Inc. engages in the provision of telecommunication network services. It offers wireless solutions, backhaul, DAS, small cell and other solutions. The company was founded by John A. Goodman, Jason A,. Goodman, Joseph M. Goodman, Jonathan E. Goodman, and James A. Goodman in 2000 and is headquartered in Frisco, TX.

Aero Communications, Inc. provides telecommunications infrastructure services to businesses, individuals and governments. Its services include end-to-end system design and engineering, construction, wiring, installation, maintenance and repair solutions. The company was headquartered in Canton, MI.