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Crawford United Corporation, together with its subsidiaries, provides specialty industrial products in the United States, Puerto Rico, Mexico, Canada, and internationally. It operates through two segments: Commercial Air Handling Equipment; and Industrial and Transportation Products. The Commercial Air Handling segment designs, manufactures, and installs large-scale commercial, institutional, and industrial custom air handling solutions to health care, education, pharmaceutical, and industrial manufacturing markets under the FactoryBilt and SiteBilt brand names. The Industrial and Transportation Products segment is involved in the manufacture of flexible interlocking metal hoses primarily to heavy-duty truck manufacturers and aftermarket suppliers, as well as to the agricultural, industrial, and petrochemical markets; and distribution of silicone and hydraulic hoses to the agriculture and general industrial markets. It also provides engineering, machining, grinding, welding, brazing, heat treat, and assembly solutions; rubber and plastic marine hose for the recreational boating industry; engineered manufacturing solutions, including CNC machining, anodizing, electro polishing, and laser marking for defense, aerospace, and medical device markets; and hydraulic hoses, air tank assemblies, and related products to manufacturers of firefighting trucks and other emergency vehicles. In addition, the company engages in the supply of highly engineered forgings for the aerospace, industrial gas turbine, medical prosthetics, alternative energy, petrochemical, and defense industries; and developing and commercializing marketing and data analytic technology applications. The company was formerly known as Hickok Incorporated and changed its name to Crawford United Corporation in May 2019. Crawford United Corporation was founded in 1910 and is headquartered in Cleveland, Ohio.

Nanophase Technologies Corporation, a science-driven company, develops, manufactures, and sells integrated family of nanomaterial technologies in the United States. It engages in engineered materials, formulation development, and commercial manufacturing. The company produces engineered nanomaterial products comprising antimony, bismuth, cerium, iron, and zinc oxide for use in a various markets, including surface finishing,exterior coatings, personal care, plastics, scratch resistant coatings, and textiles. It also provides skin care formulations with mineral-based UV protection under the under the Solésence brand; and advanced material products, including architectural coatings, industrial coatings, abrasion-resistant additives, plastics additives, medical diagnostics, and surface finishing technologies applications. The company was incorporated in 1989 and is headquartered in Romeoville, Illinois.

Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. The company through Treatment and Services segments. The Treatment segment offers nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, and processing and disposal services through treatment and storage facilities. This segment is also involved in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment provides technical services, including professional radiological measurement and site survey of government and commercial installations; health physics services; integrated occupational safety and health services; and consulting, engineering, project and waste management, environmental, decontamination and decommissioning (D&D) field, technical and management personnel and services; and waste management services. This segment also offers nuclear services, including D&D of government and commercial facilities, including engineering, technology applications, specialty services, logistics, transportation, processing, and disposal; and license termination support, such as project management, planning, characterization, waste stream identification and delineation, remediation/demolition, compliance demonstration, final status survey, reporting, transportation, disposal and emergency response. In addition, it maintains, services, maintains, calibrates, and sources health physics, IH and customized nuclear, environmental, and occupational safety and health instruments. The company provides its services to research institutions, commercial companies, public utilities, and governmental agencies through direct sales to customers or through intermediaries. Perma-Fix Environmental Services, Inc. was incorporated in 1990 and is headquartered in Atlanta, Georgia.

Research Solutions, Inc., through its subsidiaries, provides cloud-based software-as-a-service research platform. The company is also involved in the transactional sale of published scientific, technical, and medical (STM) content managed, sourced, and delivered through the Transactions platform. Its solutions enable life science and other research intensive organizations to accelerate their research and development activities with access and management STM articles used throughout the intellectual property development lifecycle. The company was formerly known as Derycz Scientific, Inc. and changed its name to Research Solutions, Inc. in March 2013. Research Solutions, Inc. was incorporated in 2006 and is based in Henderson, Nevada.