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Comtech Telecommunications Corp is a provider of modern communications solution incorporated in USA. The company is engaged in designing, developing, producing and marketing products, systems, and services for communications solutions. It is engaged in two business segments, Satellite and Space Communications and Terrestrial and Wireless Networks. It's Space and satellite is USA based providers of modems and high-power amplifiers, a market leader in troposcatter technologies, and serves some of the world's defense contractors and allied foreign governments. Terrestrial and Wireless Networks segment is a provider of next generation 911 infrastructure and solutions for state and local governments and carriers. Majority of sales are generated from Satellite and Space Communications segment.
Atara Biotherapeutics Inc operates in the United States healthcare sector. It focuses on developing transformative therapies for patients with serious diseases, including solid tumors, hematologic cancers, and autoimmune diseases. It operates and manages business as one operating and reportable segment which is the business of developing therapeutics. The company's product candidates comprise Tab-cel, ATA188, and ATA3219 (CAR T Platform).