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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.

Baylin Technologies Inc., together with its subsidiaries, researches, designs, develops, manufactures, and sells passive and active radio frequency (RF) products, satellite communications products, and supporting services. It offers embedded antennas for use in smartphones, tablets, and other mobile devices; device-specific antennas for Wi-Fi routers; gateway devices for smart home connectivity, set-top boxes, and land mobile radio products. The company provides RF components, including GaN-based power amplifiers, gallium arsenide-based power amplifiers, indoor and outdoor frequency converters, and transceivers; and antenna controllers for customers in the broadcast, maritime and cruise ships, government and military, homeland security, direct-to-home satellite, oil and gas, and wireless communications verticals. In addition, it provides RF and microwave solid state power amplifiers; and pulsed amplifiers for radar applications, and transmitter and transceiver products, as well as RF passive components and systems. The company offers its products under the Galtronics, and Advantech Wireless brands. Baylin Technologies Inc. was founded in 1978 and is headquartered in Toronto, Canada.

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.

Grupo Simec, S.A.B. de C.V. manufactures, processes, and distributes special bar quality (SBQ) steel and steel alloys products in Mexico, the United States, Brazil, Canada, Latin America, and internationally. The company produces I-beams, channels, structural and commercial angles, hot rolled bars, flat bars, rebars, cold-finished bars, electro-welded wire mesh and mesh panels, and wire rods, as well as semi-finished tube rounds and other semi-finished trade products. Its SBQ products are used across a range of engineered end-user applications, including axles, hubs, and crankshafts for automobiles and light trucks, machine tools, and off-highway equipment; and structural steel products are used in the non-residential construction market and other construction applications. The company also exports its steel products to Central and South America, and Europe. The company was founded in 1934 and is headquartered in Guadalajara, Mexico. Grupo Simec, S.A.B. de C.V. is a subsidiary of Industrias CH, S.A.B. de C.V.