Amtech Systems
NASDAQ:ASYSAmtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide. The company operates through Semiconductor and Material and Substrate segments. The Semiconductor segment designs, manufactures, sells, and services thermal processing equipment, including solder reflow ovens, horizontal diffusion furnaces, and custom high-temp belt furnaces for use by semiconductor, electronics, and electro/mechanical assembly manufacturers; and diffusion and reflow thermal systems, as well as wafer cleaning equipment and related services. The Material and Substrate segment manufactures and sells consumables and machinery for lapping and polishing of materials, such as silicon wafers for semiconductor products; sapphire substrates for LED lighting and mobile devices; silicon carbide wafers for LED and power device applications; various glass and silica components for 3D image transmission; quartz and ceramic components for telecommunications devices; and medical device components, and optical and photonics applications. It also offers substrate products comprising of double-sided wafer cleaning system, entegrity head tester, substrate carrier, substrate polishing templates, double-sided lapping and polishing machines, single-sided polisher, and substrate process chemicals. The company sells its products through sales personnel, as well as a network of independent sales representatives and distributors. Amtech Systems, Inc. was incorporated in 1981 and is headquartered in Tempe, Arizona.
CVD Equipment
NASDAQ:CVVCVD Equipment Corporation, together with its subsidiaries, designs, develops, manufactures, and sells equipment to develop and manufacture materials and coatings in the United States and internationally. It operates through three segments: CVD Equipment, Stainless Design Concepts, and CVD Materials. The CVD Equipment segment offers chemical vapor deposition, physical vapor transport, and thermal process equipment under the FirstNano brand for various markets, such as high power electronics, aerospace advanced materials for gas turbine jet engines, and nanomaterials used in batteries, as well as semiconductors, LEDs, carbon nanotubes, nanowires, solar cells, and other industrial and research applications. The Stainless Design Concepts segment provides ultra-high purity gas and chemical delivery control systems, including gas cylinder storage cabinets, custom gas and chemical delivery systems, gas and liquid valve manifold boxes, and gas isolation boxes for semiconductor fabrication processes, aerospace, solar cells, LEDs, carbon nanotubes, nanowires, and industrial applications. The CVD Materials segment offers products related to advanced materials and coatings, such as MesoPlasma printing services and products comprising heaters, antennas, and sensors to aerospace, satellite, power generation, defense, and other markets. The company also provides annealing, diffusion, and low pressure chemical vapor deposition furnaces; and standard and custom fabricated quartz-ware used in its equipment and other customer tools. The company was incorporated in 1982 and is headquartered in Central Islip, New York.
Enviro Technologies U.S.
OTCMKTS:EVTNWolf Energy Services, Inc. engages in the provision of environmental and industrial separation applications. It manufactures and develops Voraxial Separator, which provides a method to separate large volumes of solids and liquids with specific gravities and without the need of a pressure drop. The company was founded by Alberto Di Bella on October 19, 1964 and is headquartered in Kilgore, TX.
Greystone Logistics
OTCMKTS:GLGIGreystone Logistics, Inc., through its subsidiaries, manufactures and markets plastic pallets and pelletized recycled plastic resins in the United States. The company offers rackable, can, nestable, display, monoblock, half-barrel and slim keg stackable, drum, and mid duty pallets. It sells its pallets directly, as well as through a network of independent contractor distributors. The company was formerly known as PalWeb Corporation and changed its name to Greystone Logistics, Inc. in March 2005. Greystone Logistics, Inc. was incorporated in 1969 and is based in Tulsa, Oklahoma.