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BK Technologies Corporation, through its subsidiary, BK Technologies, Inc., engages in design, manufacture, and markets wireless communications products in the United States and internationally. The company offers two-way land mobile radios (LMR) that are hand-held (portable) or installed in vehicles (mobile). It offers KNG Series and BKR Series radios that operate in both the P25 digital and analog modes which are used primarily in government, public safety, and military applications; and BK radio products for intellectual property applications. The company's KNG and BKR-branded products serves government markets, including emergency response, public safety, homeland security and military customers of federal, and state and municipal government agencies, as well as various industrial and commercial enterprises. In addition, it provides InteropONE, a Push-to-Talk-Over-Cellular (PTTOC) SaaS service, that provides emergency incident commanders to establish group PTTOC between smartphone users directly from their smartphone. The company was incorporated in 1997 and is based in West Melbourne, Florida.

First Trust Large Cap Growth AlphaDEX Fund (the Fund), formerly First Trust Large Cap Growth Opportunities AlphaDEX Fund, is an exchange-traded fund. The investment objective of the Fund is to seek investment results that correspond generally to the price and yield of an equity index called the Defined Large Cap Growth Index (the Index). The Index is an enhanced index created and administered by Standard & Poor's, which employs the AlphaDEX stock selection methodology to select stocks from the S&P 500 Growth Index. Standard & Poor's constructs the Defined Large Cap Growth Index by ranking the stocks from the S&P 500 Growth Index against all the stocks in the S&P 500 Index on growth factors including 3, 6 and 12-month price appreciation, sales to price and one year sales growth, and separately on value factors, including book value to price, cash flow to price and return on assets. First Trust Advisors L.P. is the adviser of the Fund.

Mobilicom Limited operates as an end-to-end provider of cybersecurity and smart solutions for drones, robotics, and autonomous platforms. It designs, develops, and delivers smart solutions, such as cloud management software, communication datalink and mobile mesh networking terminals, handheld control terminals, and professional services and support for drone, robotics, and autonomous system manufacturers, as well as hardware products and software solutions. Mobilicom Limited was incorporated in 2017 and is based in Shoham, Israel.

MarkWest Energy Partners, L.P. (MarkWest) is a master limited partnership engaged in the gathering, processing and transportation of natural gas; the gathering, transportation, fractionation, storage and marketing of natural gas liquids (NGLs), and the gathering and transportation of crude oil. The Company operates in four segments: Marcellus, Utica, Northeast and Southwest. The Marcellus segment provides integrated natural gas midstream services in southwestern Pennsylvania and northern West Virginia. The Company's MarkWest Utica EMG provides gathering, processing, fractionation and marketing services. The Northeast segment assets include the Kenova, Boldman, Cobb, Kermit and Langley natural gas processing complexes, an NGL pipeline and the Siloam fractionation facility. The Company owns a system that consists of natural gas gathering pipelines, centralized compressor stations, two natural gas processing complexes and two NGL pipelines.

Wireless Telecom Group, Inc., together with its subsidiaries, provides radio frequency components in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It also offers radio frequency power meters, sensors and analyzers, synthesizers; phased noise analyzers and noise generators, as well as provides voltmeters, audio, and modulation analyzers. The company provides test equipment for radar, avionics, electronic warfare, electromagnetic interference compatibility, and satellite and wireless communications applications; and noise generation instruments, calibrated noise sources, noise modules, and diodes. It serves military and government agencies, semiconductor manufacturers, satellite communication, aerospace, defense, and other technology companies. The company markets its products under the Boonton, Noisecom, Holzworth, and CommAgility brands through its in-house sales force, manufacturers' representatives, and distributors. Wireless Telecom Group, Inc. was incorporated in 1985 and is headquartered in Parsippany, New Jersey.