PLAB vs AMPH 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.

Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient, or insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has one reportable segment pharmaceutical products. Geographically the business presence of the firm is seen in the United States, China and France of which the U.S. accounts for the majority of the revenue.