Level 3 Communications, Inc. (Level 3) is a facilities-based provider of a range of integrated communications services. It has created its communications network by constructing its own assets and through a combination of purchasing other companies and purchasing or leasing facilities from others. Its network is an international, facilities-based communications network. Level 3 provides communications services to a range of wholesale and enterprise customers. Wholesale customers may use its services as a component in their own offering of telecommunications services to their customers. Enterprise customers use its services for their own needs. It further subdivides enterprise customers into four subgroups: large enterprise customers, which consist of its roughly 1,000 largest enterprise customers other than content customers; government customers; mid-market customers, which are enterprise customers other than large enterprise customers, and content customers.