NSSC vs GSM Comparison

NAPCO Security Technologies Inc manufactures security products, encompassing access control systems, door-locking products, intrusion and fire alarm systems and video surveillance products. Its products are used for various applications which includes alarm systems like automatic communicators, combination control panels/digital communicators and digital keypad systems, fire alarm control panel and area detectors mainly used for commercial, residential, institutional, industrial and governmental uses. Geographically, the company derives a majority of its revenue from the United States.

Ferroglobe PLC provides silicon-based alloys and specialty metals. It produces silicon metal and silicon and manganese-based alloy, serving customers in the specialty chemical, aluminum, solar, steel, and ductile iron foundry industries. The company's business segments include North America- Silicon, North America -Silicon Alloys; Europe Manganese; Europe Silicon Metals; Europe -Silicon Alloys, South Africa Silicon Metals, South Africa-Silicon Alloys, and Other segments The primary raw materials company uses to produce its electrometallurgy products includes its coal and quartz mining operations and its silicon metal and ferroalloy production.