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ClearSign Technologies Corporation designs and develops technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Its ClearSign Core Burner Technology consists of an industrial burner body and a downstream porous ceramic structure or metal flame stabilizing device; ClearSign Core Plug & Play Burner technology provides direct burner replacement for traditional refinery process heaters; and ClearSign Eye Flame Sensor, an electrical flame sensor for industrial applications. The company also provides ClearSign Core Boiler Burner; and ClearSign Core Flaring Burners technologies. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. The company was formerly known as ClearSign Combustion Corporation and changed its name ClearSign Technologies Corporation in November 2019. ClearSign Technologies Corporation was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

CSX Corporation, together with its subsidiaries, provides rail-based freight transportation services. The company offers rail services; and transportation of intermodal containers and trailers, as well as other transportation services, such as rail-to-truck transfers and bulk commodity operations. It also transports chemicals, agricultural and food products, minerals, automotive, forest products, fertilizers, and metals and equipment; and coal, coke, and iron ore to electricity-generating power plants, steel manufacturers, and industrial plants, as well as exports coal to deep-water port facilities. In addition, the company provides intermodal services through a network of approximately 30 terminals transporting manufactured consumer goods in containers; and drayage services, including the pickup and delivery of intermodal shipments. It serves the automotive industry with distribution centers and storage locations, as well as connects non-rail served customers through transferring products, such as plastics and ethanol from rail to trucks. The company operates approximately 20,000 route mile rail network, which serves various population centers in 26 states east of the Mississippi River, the District of Columbia, and the Canadian provinces of Ontario and Quebec, as well as owns and leases approximately 3,500 locomotives. It serves production and distribution facilities through track connections. CSX Corporation was incorporated in 1978 and is headquartered in Jacksonville, Florida.

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.

VAALCO Energy, Inc., an independent energy company, engages in the acquisition, exploration, development, and production of crude oil, natural gas, and natural gas liquids in Gabon, Egypt, Equatorial Guinea, and Canada. The company holds 58.8% interest in the Etame production sharing contract related to the Etame Marin block covering an area of approximately 46,200 gross acres located offshore in the Republic of Gabon in West Africa. It also owns 100% interest in the Eastern Desert, which contains West Gharib, West Bakr and North West Gharib merged concessions covering as area of approximately 45,067 acres, as well as Western Desert, which contains the South Ghazalat concession covering as area of approximately 7,340 acres located in Egypt. In addition, the company production and working interests in Cardium light oil and Mannville liquids-rich gas assets covering as area of 47,400 gross acres located near the north of Calgary, Alberta; and an undeveloped block offshore Equatorial Guinea, West Africa. VAALCO Energy, Inc. was incorporated in 1985 and is headquartered in Houston, Texas.

Motorola Solutions, Inc. provides public safety and enterprise security solutions in the United States, the United Kingdom, Canada, and internationally. The company operates in two segments, Products and Systems Integration, and Software and Services. The Products and Systems Integration segment offers a portfolio of infrastructure, devices, accessories, and video security devices and infrastructure, as well as the implementation and integration of systems, devices, software, and applications for government, public safety, and commercial customers who operate private communications networks and video security solutions, as well as manage a mobile workforce. Its land mobile radio communications, and video security and access control devices include two-way portable and vehicle-mounted radios, fixed video cameras, and accessories; communications network core and central processing software, base stations, consoles, and repeaters; and video analytics, network video management hardware and software, and access control solutions. The Software and Services segment provides public safety and enterprise command center, unified communications applications, mobile video equipment, and video software solutions; repair, technical support, and maintenance services; and monitoring, software updates, and cybersecurity services to government, public safety, and commercial communications networks. It serves hospitality; manufacturing; military and defence; public safety; mining; oil and gas; transportation and logistics; utilities industries. The company was formerly known as Motorola, Inc. and changed its name to Motorola Solutions, Inc. in January 2011. Motorola Solutions, Inc. was founded in 1928 and is headquartered in Chicago, Illinois.