OLED vs IESC Comparison

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.

IES Holdings Inc owns and manages subsidiaries that design and installs integrated electrical and technology systems and provide infrastructure products and services. It has four business segments; Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. The majority of the revenue for the company is generated from its Residential segment in which the company provides electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation, and air conditioning (HVAC) and plumbing installation services. This segment also provides services for installing residential solar power, both for new construction and existing residences.