Compare Stocks

Alpha Pro Tech, Ltd., together with its subsidiaries, develops, manufactures, and markets a range of disposable protective apparel, infection control, and building supply products in the United States and internationally. The company operates through Disposable Protective Apparel and Building Supply segments. The Disposable Protective Apparel segment provides shoe covers, bouffant caps, coveralls, frocks, lab coats, and gowns, hoods, as well as face masks and shields. The Building Supply segment offers construction weatherization products, such as housewrap and housewrap accessories, including window and door flashing, and seam tape, synthetic roof underlayment, and self-adhered roof underlayment, as well as other woven material. The company markets its products under the Alpha Pro Tech brand name, as well as under private labels. Its products are used primarily in cleanrooms; industrial safety manufacturing environments; health care facilities, such as hospitals, laboratories, and dental offices; building and re-roofing sites. The company distributes its products through a network of purchasing groups, distributors, and independent sales representatives, as well as through its sales and marketing force. Alpha Pro Tech, Ltd. was founded in 1983 and is headquartered in Markham, Canada.

Fuel Tech, Inc. provides boiler optimization, efficiency improvement, and air pollution reduction and control solutions to utility and industrial customers worldwide. The company operates through Air Pollution Control Technology and FUEL CHEM Technology segments. The Air Pollution Control Technology segment offers technologies to reduce nitrogen oxide (NOx) emissions in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources; NOxOUT and HERT selective non-catalytic reduction systems; selective catalytic reduction systems comprising ammonia injection grid, and graduated straightening grid systems; I-NOx systems; ESP Processes and Services; ULTRA technology; and flue gas conditioning systems. The FUEL CHEM Technology segment provides programs to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion, opacity, and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, sulfur dioxide, and carbon dioxide through the addition of chemicals into the furnace using TIFI targeted in-furnace injection technology. This segment offers its FUEL CHEM program for plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, and university and district heating markets; and the owners of boilers, furnaces, and other combustion units. Fuel Tech, Inc. was incorporated in 1987 and is headquartered in Warrenville, Illinois.

Taylor Devices, Inc. engages in design, development, manufacture, and marketing of shock absorption, rate control, and energy storage devices for use in machinery, equipment, and structures in the United States, Asia, and internationally. Its products include seismic dampers that are designed to mitigate the effects of earthquakes on structures; Fluidicshoks, which are compact shock absorbers primarily used in defense, aerospace, and commercial industries; and crane and industrial buffers, which are larger versions of the Fluidicshoks for industrial application on cranes and crane trolleys, truck docks, ladle and ingot cars, ore trolleys, and train car stops. The company's products also comprise self-adjusting shock absorbers that include versions of Fluidicshoks, and crane and industrial buffers, which automatically adjust to various impact conditions and are designed for high cycle application primarily in the heavy industry; liquid die springs that are used as component parts of machinery and equipment used in the manufacture of tools and dies; vibration dampers, which are primarily used by aerospace and defense industries to control the response of electronics and optical systems subjected to air, ship, or spacecraft vibration; machined springs used in the aerospace applications; and custom actuators for special aerospace and defense applications. It markets its products through a network of sales representatives and distributors. The company was incorporated in 1955 and is headquartered in North Tonawanda, New York.