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Chicago Rivet & Machine Co. operates in the fastener industry in North America. It operates in two segments, Fasteners and Assembly Equipment. The Fastener segment manufactures and sells rivets, cold-formed fasteners and parts, and screw machine products. The Assembly Equipment segment engages in the manufacture and sale of automatic rivet setting machines, as well as parts and tools for related machines. The company sells its products to automotive industry through independent sales representatives. Chicago Rivet & Machine Co. was founded in 1920 and is headquartered in Naperville, Illinois.

Fuwei Films (Holdings) Co., Ltd., through its subsidiaries, engages in the development, manufacture, and distribution of biaxially oriented polyethylene-terephthalate films in the People's Republic of China. The company offers dry films, which are used in circuit boards production, nameplate, and crafts etching; chemically treated films used to enhance properties, such as barrier resistance, printing properties, and electrostatic resistance; stamping foil base films and transfer base films for packaging of luxury items, including cigarettes and alcohol; and printing base films for use in printing and lamination. It also provides metallized films or aluminum plating base films for use in vacuum aluminum plating for flexible plastic lamination; high-gloss films for aesthetically enhanced packaging purposes; heat-sealable films for construction, printing, and making heat sealable bags; and laser holographic base films used as anti-counterfeit films for food, medicine, cosmetics, cigarettes, and alcohol packaging; and heat shrinkable films used for special-shaped packaging for beverage and cosmetics. The company markets and sells its products under Fuwei Films brand for packaging, imaging, electronics, electrical, and magnetic products. It also exports its products to end-users and distributors primarily in Europe, Asia, and North America. The company was formerly known as Neo-Luck Plastic Holdings Co., Ltd. and changed its name to Fuwei Films (Holdings) Co., Ltd. in April 2005. The company was founded in 2003 and is headquartered in Weifang, the People's Republic of China. Fuwei Films (Holdings) Co., Ltd. is a subsidiary of Hongkong Ruishang International Trade Co., Ltd.

The LGL Group, Inc., together with its subsidiaries, engages in the design, manufacture, and marketing of frequency and spectrum control products in the United States and internationally. The company offers NTP Servers, broadband amplifiers, RF distribution, 1PPS distribution, and fiber optic distribution. It also offers time and frequency instrumentation, including frequency standards, time standards, and time code generators. In, addition it offers wide range of ancillary products, such as RF distribution amplifiers, digital distribution amplifiers, time code distribution amplifiers, and redundancy switches. Its products are used in computer networking, satellite ground stations, electric utilities, metrology, broadcasting, and telecommunication systems. The company was formerly known as Lynch Corporation and changed its name to The LGL Group, Inc. The LGL Group, Inc. was founded in 1917 and is based in Orlando, Florida.

QS Energy, Inc. develops and commercializes energy efficiency technologies in the United States and internationally. The company's energy efficiency technologies assist in meeting energy demands, enhancing the economics of oil transport, and reducing greenhouse gas emissions. Its intellectual properties include a portfolio of domestic and international patents, which have been developed in conjunction with and licensed from Temple University of Philadelphia, Pennsylvania. The company's primary technology comprises Applied Oil Technology, a commercial-grade crude oil pipeline transportation flow-assurance product that reduces crude oil viscosity by applying a high intensity electrical field to crude oil while in transit. It serves upstream and midstream energy sectors. The company was formerly known as Save the World Air, Inc. and changed its name to QS Energy, Inc. in August 2015. QS Energy, Inc. was incorporated in 1998 and is based in Tomball, Texas.