BKH vs OLED Comparison

Black Hills Corp is a U.S.-based energy company that operates through its Electric Utilities and Gas Utilities segment. These segments operate in states in the Midwest and mountain regions in the U.S. The company's customers include residential, commercial, industrial, and municipal consumers. These customers are residential. Black Hills derives the majority of its revenue from its utility business group, specifically from gas utilities.

Universal Display Corp researches, develops, and manufactures organic light-emitting diode, or OLED, technologies for use in displays for mobile phones, tablets, televisions, wearables, personal computers, automotive interiors, and the solid-state lighting market. OLED technologies are an alternative to light-emitting diode, or LED, technologies, in the solid-state lighting market, and liquid crystal displays in the flat-panel-display market. The Company has one reportable business segment being OLED technologies and materials. A large majority of the firm's revenue is generated in South Korea, with the rest coming from Japan, China, the United States, and other countries across the world.