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Alaska Communications Systems Group, Inc., through its subsidiaries, provides broadband telecommunication and managed information technology services to business, wholesale, and consumer customers in the United States. Its services include voice and broadband services; and managed IT services comprising remote network monitoring and support, managed IT security and IT professional, and long distance services primarily over its own terrestrial network. The company's business customers comprise enterprises in the oil and gas industry, health care, education, Alaska Native Corporations, and financial industries; federal, state, and local governments; and small and medium business. It also provides voice and broadband services to residential customers in residential homes and multi-dwelling units; voice and broadband origination and termination services to inter and intrastate carriers; and access and support services. The company markets and sells its products through direct sales channels. Alaska Communications Systems Group, Inc. was incorporated in 1998 and is based in Anchorage, Alaska.

Atento S.A., together with its subsidiaries, provides customer relationship management business process outsourcing services and solutions in Brazil, the Americas, Europe, the Middle East, and Africa. It offers a range of front and back-end services, including sales, customer care, technical support, collections, and back office. The company serves clients primarily in the telecommunications, financial services, consumer goods, retail, public administration, healthcare, travel, transportation, logistics, and technology and media sectors. It provides its services and solutions through digital channels, which include SMS, email, chats, social media and apps, and others, as well as through voice. The company was formerly known as Atento Floatco S.A. Atento S.A. was founded in 1999 and is based in Luxembourg.

IDT Corporation provides communications and payment services in the United States, the United Kingdom, and internationally. It operates through Fintech, National Retail Solutions, net2phone, and Traditional Communications segments. The company operates point of sale, a terminal-based platform which provides independent retailers store management software, electronic payment processing, and other ancillary merchant services; and provides marketers with digital out-of-home advertising and transaction data. It also offers BOSS Money for international money remittance, and related value and payment transfer services; and Leaf, a digital wallet services which operates money transfer businesses, as well as net2phone, a unified cloud communication services, which includes voice, texting, and chat services to enable smarter business conversations. In addition, the company provides IDT Digital Payments enables businesses, entrepreneurs, and developers to offer prepaid digital offerings including mobile airtime top-up, mobile data bundles, digital gift cards, and prepaid utility payments through its Zendit platform; and BOSS Revolution Calling, which provides international long-distance voice services primarily to immigrant communities in the United States and Canada. Further, it offers IDT Global, a wholesale provider of international voice and SMS termination, and outsourced traffic management solutions to telecoms; and IDT Express, a unique self-serve portal that offers SMBs the power to purchase DIDs, manage IPs, select termination quality, make payments, and other services. The company also provides Awards2Go, a B2B incentive, loyalty, and customer appreciation gift card solution; and IO Security which provides automation to remediation. IDT Corporation was incorporated in 1978 and is headquartered in Newark, New Jersey.

Oi S.A., together with its subsidiaries, provides telecommunication services in Brazil and internationally. The company offers fixed telephony services; domestic and international long-distance services; and maintenance and repair services. It also provides call center and telemarketing, Internet, network, and Wi-Fi Internet services; and financial, and payment and credit system services, as well as consulting services. In addition, it engages in the investment management activities. The company was formerly known as Brasil Telecom S.A. and changed its name to Oi S.A. in February 2012. Oi S.A. was founded in 1998 and is headquartered in Rio de Janeiro, Brazil.