PLAB vs DK Comparison

Photronics Inc is a U.S.-based company that is principally engaged in manufacturing photomasks. The photomasks are photographic quartz or glass plates that contain microscopic images of electronic circuits that are used as a component in the manufacture of integrated circuits and flat-panel displays. The revenue from products designed for integrated circuits production accounts for the majority of total revenue, with the rest derived from products for flat-panel display production. The company's assets are located in Taiwan, Korea, and the United States. It generates revenue world-wide, including in the United States, Europe, Taiwan, Korea, China, and elsewhere in Asia, with Taiwan contributing the majority of total revenue.

Delek US Holdings Inc is an integrated energy business focused on petroleum refining, transportation and storage; wholesale crude oil, intermediate, and refined products, and convenience stores retailing. The company owns and operates independent refineries that produce a variety of petroleum products for transportation and industrial markets in the United States. It has two segments: Refining segment and Logistics segment. The logistics segment generates revenue through gathering, transporting, and storing crude oil and intermediate products, as well as by marketing, storing, and distributing refined products. The company also offers a collection of retail fuel and convenience stores operating in the Southeast region of the United States.