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AfterMaster, Inc., together with its subsidiaries, operates as an audio technology company in the United States. It develops and commercializes proprietary audio and video technologies for professional and consumer use. The company offers AfterMaster audio, a mastering, remastering, and audio processing technology that makes various audio source sounds louder, fuller, deeper, and clearer; ProMaster, an online music mastering, streaming, and storage service designed for independent artists; and Aftermaster Pro, a personal audio re-mastering device. It also provides Aftermaster Studio Pro products for use in commercial audio applications; and MyStudio products. In addition, AfterMaster, Inc. operates six recording and mastering studios. The company was formerly known as Studio One Media, Inc. and changed its name to AfterMaster, Inc. in September 2015. AfterMaster, Inc. was incorporated in 1988 and is based in Scottsdale, Arizona.

CareView Communications, Inc. provides video monitoring solutions in the United States. Its products include CareView Patient Safety System, a video monitoring tool to improve the practice of nursing, create a better work environment, and make the patient's hospital stay more satisfying, which is used in hospitals, nursing homes, adult living centers, and outpatient care facilities; CareView Connect, which provides resident monitoring products and services for the long- term care industry; an array of wearable and stationary buttons that allow a resident to summon help either for an emergency or assistance; a mobile app capable of delivering an alert to the caregiver and allows them document information around that alert; and alert management and monitoring system, a suite of hardware and software that facilitate a data-driven solution for alert management and monitoring. The company also offers Caregiver Platform that offers caregiver connect mobile application to provide a convenient and intuitive interface to capture critical workflows, such as acknowledging and documenting alert presses by the resident. In addition, it provides SitterView and TeleMedView that allows hospital staff to use CareView's video cameras to observe and communicate with patients remotely. CareView Communications, Inc. is based in Lewisville, Texas.

ParkerVision, Inc. designs and develops radio frequency technologies and integrated circuits for use in wireless communication products. The company was incorporated in 1989 and is based in Jacksonville, Florida.

Technical Communications Corporation engages in the design, development, manufacture, distribution, marketing, and sale of communications security devices, systems, and services worldwide. The company primarily provides data, video, fax, and voice networks. Its products include government systems, such as CSD 3324 SE secure telephone, fax and data system; CSD 3324 SP telephone and fax system; DSD 72A-SP military bulk ciphering system; and DSP 9000 radio encryption system, as well as the HSE 6000 squad radio headset and telephone encryptor for public safety special operations, land mobile radio applications, and for military applications. The company also provides network security systems comprising network encryption systems with centralized key and device management for IP, SONET/SDH, and frame relay networks to secure data in transit from local area network to local area network and across wide area networks. In addition, it offers secure office systems, such as CSD 4100 executive secure telephone and CipherTalk 8500 Internet protocol (IP)-based secure wireless phone. The company's products are used to protect confidentiality in communications between radios, landline telephones, mobile phones, facsimile machines, data network equipment over wires, fiber optic cables, radio waves, and microwave and satellite links. Further, it offers funded research and development, and technology development services. The company serves various markets, including foreign and domestic governmental agencies, law enforcement and military agencies, telecommunications carriers, financial institutions, and multinational companies requiring protection of mission-critical information. It sells directly to customers, original equipment manufacturers, and value-added resellers using its in-house sales force, as well as domestic and international representatives, consultants, and distributors. Technical Communications Corporation was founded in 1961 and is based in Concord, Massachusetts.