Compare Stocks

Amerigo Resources Ltd., through its subsidiary, Minera Valle Central S.A., engages in the production and sale of copper and molybdenum concentrates from Codelco's El Teniente underground mine in Chile. The company was formerly known as Golden Temple Mining Corp. and changed its name to Amerigo Resources Ltd. in March 2002. The company was incorporated in 1984 and is headquartered in Vancouver, Canada.

Blonder Tongue Laboratories, Inc. operates as a technology development and manufacturing company, which engages in delivering television signal encoding, transcoding, digital transport, and broadband product solutions for applications. It also offers system operators and integrators serving the cable, broadcast, satellite, institutional, and professional video markets with solutions for the provision of content contribution, distribution, and video delivery to homes and businesses. The company was founded by Ben H. Tongue and Isaac S. Blonder in 1950 and is headquartered in Old Bridge, NJ.

Era Group Inc. provides helicopter transportation services primarily to the oil and gas exploration, development, and production companies. Its helicopter services include emergency response search and rescue; and other services, as well as utility services to support firefighting, mining, power line, and pipeline survey activities. The company also leases helicopters to third parties and foreign affiliates. As of December 31, 2018, it owned a total of 108 helicopters, including 9 heavy helicopters, 46 medium helicopters, 23 light twin engine helicopters, and 30 light single engine helicopters. The company operates in the United States, Latin America and the Caribbean, Europe, and Asia. Era Group Inc. was founded in 1948 and is based in Houston, Texas.

Northern Technologies International Corporation develops and markets rust and corrosion inhibiting solutions in North America, South America, Europe, Asia, the Middle East and internationally. It offers rust and corrosion inhibiting products, such as plastic and paper packaging, liquids, coatings, rust removers, cleaners, diffusers, and engineered solutions designed for the oil and gas industry under the ZERUST brand. The company provides a portfolio of bio-based and certified compostable polymer resin compounds and finished products under the Natur-Tec brand. In addition, it offers on-site and technical consulting for rust and corrosion prevention issues. It sells its products and services to automotive, electronics, electrical, mechanical, military, retail consumer, and oil and gas markets through direct sales force, network of independent distributors, agents, manufacturer's sales representatives, and strategic partners. The company was founded in 1970 and is headquartered in Circle Pines, Minnesota.

Sphinx Resources Ltd. engages in the acquisition, exploration, and development of mineral properties in Canada. It explores for zinc, copper, nickel, lead, palladium, platinum, gold, and silver deposits. The company holds interests in various properties located in the Pontiac regional county municipality of southwestern Québec; and in southern Abitibi Temiscaming region and southeast of the municipality of Saint-Édouard-de-Fabre. The company was formerly known as Donner Metals Ltd. and changed its name to Sphinx Resources Ltd. in October 2014. Sphinx Resources Ltd. was incorporated in 2005 and is headquartered in Montreal, Canada.