Adtran Inc was incorporated under the laws of Delaware in November 1985, and commenced operations in January 1986. The Company is a provider of networking and communications equipment. Its solutions enable voice, data, video and Internet communications across a variety of network infrastructures. The Company operates in two reportable segments: the Carrier Networks Division and the Enterprise Networks Division. The Carrier Networks Division offers broadband infrastructure products and services used by service providers to deliver voice, data and video services to their customers premises and mobile network cell sites. These products are typically located in central office exchanges or outside plant cabinets, and infrastructure locations for mobile networks. This category includes the following product areas and related services: Broadband Access, Optical, TDM systems. The Enterprise Networks Division provides Cloud Connectivity solutions, such as IP business gateways and access routers, which provide business access to service provider networks, and Enterprise Communications solutions, which enable businesses to construct voice, data and video networks within the customers site or among distributed sites. These products are sold through service providers in the form of bundled business services and solutions resale, and through value-added resellers (VARs). This category includes the following product areas and related services: Internetworking products, integrated Access Devices (IADs). Loop Access products are used by carrier and enterprise customers for access to copper-based communications networks. The Loop Access category includes the following product areas and related services: High bit-rate Digital Subscriber Line (HDSL) products, Integrated Services Digital Network (ISDN) products, Digital Data Service (DDS), among others. The Customers of Carrier Networks Division include service providers, independent communications operating companies, competitive service providers, Internet service providers, utilities, municipalities and wireless service providers. Customers of Enterprise Networks Division in the United States include service providers, independent communications companies and competitive service providers. The competitors of Carrier Networks Division include large, established companies such as Alcatel-Lucent, Ciena, ECI Telecom, Fujitsu, Huawei, Tellabs, and ZTE. There are also a number of smaller, specialized companies with which it competes, such as Actelis, Calix Networks, Cyan, Overture Networks, Zhone Technologies, and other privately held firms. Competitors of Enterprise Networks Division include: Aerohive, Aruba Networks, Avaya, Cisco Systems, Extreme Networks, Hewlett Packard, Juniper Networks, Ruckus, ShoreTel, and other smaller companies.