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| Babcock and Wilcox Provider of environmental testing and assessment services as well as environmental equipment and products. |   |
| Aramsco A supplier of environmental safety products, indoor air quality encapsulants or safety glasses, including disaster-related emergency supplies, asbestos or lead abatement products and more. |   | |
| Climatronics Corp. Products and services are provided to utilities, educational institutions, consultants, the military, public service agencies and research institutions. Manufacturer of meteorological and environmental equipment and provider of related services. |   | |
| Fliteway Technologies Designer, industrial vacuum systems, manufacturer and distributor of integrated environmental remediation systems, industrial air compressors and telemetry panels. |   | |
| International Purification Systems, Inc. Products are sold to multiple industries. This company was capitalized by private invest. Manufacturer of reverse osmosis equipment for medical, pharmaceutical, commercial and industrial point of use and for industrial waste and closed systems. |   | |
| Tekran Manufacturer of a variety of ultratrace environmental instrumentation, with particular emphasis on the measurement of mercury. |   | |
| Arjay Engineering Ltd. Manufacturers and designers of process and environmental controls for oil, water, gas and suspended solids. |   | |
| Water Equipment Services, Inc. Provider of water analysis services and waste analysis services. Products and services are sold to multiple industries. This company was capitalized by private investment. Manufacturer of water filtration equipment. |   | |
| Environmental machine specializing in centrifugal fans and other special fans |   | |
| EnerWaste International Corp. Products are sold to multiple industries. This company was capitalized by private investment. Manufacturer of waste to energy equipment and waste incineration equipment. |   | |
| Limnos Oy Supplier of equipment to research institutes, consulting engineers, environmental authorities and schools for water and sediment studies. |   | |
| Coastal Leasing, Inc. Products and services are sold to multiple industries. This company was capitalized by private investment. Manufacturer equipment for use in oceanographic, environmental and meteorological studies. |   | |
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