Regents of The University of Michigan provides administers bonds on behalf of the University. The company is headquartered in Ann Arbor, MI.

Ion Science Ltd. is a private company headquartered in Royston, UK. The firm manufactures measuring and testing equipment. It was founded in 1989. Duncan Johns is the current CEO of the firm.\nThe company says this about itself: We are the largest manufacturer of photoionisation detection (PID) sensors with our technology trusted by major gas detection manufacturers around the globe. As well as sensors, we manufacture a range of leading handheld, personal and fixed PID detection instruments for the fast, accurate detection of volatile organic compounds (VOCs). Additional to our PID range are our gas leak detectors, SF6 leak detectors, and portable mercury detectors.

Valco Instruments Co. LP is an American private company located in Houston, TX, with a presence in Switzerland, that manufactures fluid power pumps & motors and automation equipment.

RAE Systems is a global provider of rapidly deployable connected, intelligent gas detection systems that enable real-time safety and security threat detection. RAE Systems products are used in more than 95 countries by many of the world's leading corporations and government agencies. RAE Systems offers a full line of wirelessly enabled solutions including personal, hand-held, transportable, and fixed instruments designed to meet the needs of any usage scenario. Applications include energy production, refining, industrial and environmental safety, public venue safety and government first responder markets.

Part of Salzgitter AG, KHS Maschinen-und Anlagenbau AG is a German company located in Dortmund that manufactures beverage filter and filling lines.

Photovac, Inc., part of Applied Biosystems, Inc., is a company headquartered in Markham, ON, Canada, specializing in laboratory analytical instruments. The firm was acquired by Applera Corp. on April 13, 1995.

Manufactures laboratory analytical instruments

Part of MSA Safety, Inc., MSA Technology LLC is an American company. The firm manufactures safety products.

O.I. Corporation provides innovative products for chemical analysis and monitoring. Their products perform detection, analysis, measurement, and monitoring applications in a wide variety of industries, including environmental testing, food and flavors, pharmaceutical, semiconductor, power generation, chemical, petrochemical, and security. Management continually emphasizes product innovation, quality improvement, performance enhancement, and on-time delivery while striving for product cost improvements to promote added value for their products.

Mine Safety Appliances Co. LLC develops, manufactures and supplies safety products. The firm's products include self-contained breathing apparatus, gas masks, gas detection instruments, head protection, respirators, thermal imaging cameras and fall protection. Its solutions integrate multiple combinations of electronics, mechanical systems and advanced materials to ensure that users around the world remain protected in even the most hazardous of situations. The company was founded by John T. Ryan Sr. and George H. Deike Sr. on June 14, 1914 and is headquartered in Pittsburgh, PA.

Olin Corp. engages in manufacturing of chemicals products. It operates through the following segments: Chlor Alkali Products and Vinyls, Epoxy, and Winchester. The Chlor Alkali Products and Vinyls segment manufactures and sells chlorine and caustic soda, ethylene dichloride and vinyl chloride monomer, methyl chloride, methylene chloride, chloroform, carbon tetrachloride, perchloroethylene, trichloroethylene and vinylidene chloride, hydrochloric acid, hydrogen, bleach products and potassium hydroxide. The Epoxy segment produces and sells epoxy materials, which includes allyl chloride, epichlorohydrin, liquid epoxy resins and downstream products such as converted epoxy resins and additives. The Winchester segment produces and sells sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges. The company was founded by Franklin W. Olin in 1892 and is headquartered in Clayton, MO.

RAE Systems (Shanghai) Co. Ltd., a subsidiary of Honeywell International, Inc., is a company headquartered in Shanghai, China. The firm manufactures laboratory instruments.

SENKO Co., Ltd. engages in shipping, logistics, and warehousing services. It deals with trucking, marine transport, railway forwarding, overseas logistics, and distribution center management. The company was founded on April 15, 2016 and is headquartered in Osaka, Japan.

Beijing Dongxi Analytical Instrument Co., Ltd., established on 2002-03-27, The business scope includes instrumentation,Machinery and electrical equipment manufacturing;Instrumentation,Mechanical and electrical equipment sales;Manufacture of computer hardware and software,Sales;Technical Training,consult,Serve;sell minerals(In addition to coal);Import and export;Technology Import and Export;Agent import and export;Medical Research and Experimental Development;Production of Class II Medical Devices(The medical device production license is valid until2025year12moon24day).(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Shanghai Susa Electronic Technology Co., Ltd., established on 2011-10-22, business scope includes"electronic,computer"Technical services in the field of science and technology,technology development,technical consulting,Electrochemical sensors,Photoionization gas sensor,infrared sensor,Production of gas detection instruments and modules,Electronic Component,sensor,Instrumentation,pipeline,Valves and accessories,lighting device,Wujinjiaodian,Mechanical equipment and accessories,Chemical raw materials and products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals)Sales,Environmental Engineering,Engaged in the import and export of goods and technology. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Modex is a mortgage recruiting and research platform. They provide technology and data transparency to employers and loan officers in order to improve employer-employee relationships. Users of Modex can perform research, filter and search results, and connect in real time.

Nanova Environmental is dedicated to continuously improving technology and products through rigorous research and development and providing quality services. They offer assistance to customers who wish to have an authorised NEI technician on site to assist with setting up their products and learning their functions. Their technician will provide basic training to ensure the customer knows how the product works and how to operate it.

China State Science Dingshi Environmental Engineering Co., Ltd. engages in the provision of environmental remediation services. It also involves in the following activities: research and development, remediation design, project investment, engineering project construction, and operation management services. Its business scopes include soil remediation, groundwater remediation, combating desertification, mining area ecological restoration, solid waste treatment and management, farmland soil remediation, and watershed management services. The company was founded on January 25, 2002 and is headquartered in Beijing, China.

Zhongke South China (Xiamen) Environmental Protection Co., Ltd., established on 2012-07-17, Business scope includes pollution site treatment,mine management,Ecological environment governance,Comprehensive treatment of solid waste and risk assessment of other environmental protection projects,technical consulting,design and construction.