AMPH vs ENR Comparison

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.

Energizer Holdings Inc. manufactures and distributes household batteries, specialty batteries, and lighting products. The company offers batteries using lithium, alkaline, carbon zinc, nickel metal hydride, zinc air, and silver oxide technologies, sold under the Energizer, Rayovac, Varta, and Eveready brands across performance and premium price segments. It also provides auto care products in the appearance, fragrance, performance, and air conditioning recharge categories. Energizer operates through two geographical segments, the United States and International, with the majority of its revenue generated in the United States. It has two product segments: Batteries and Lights and Auto Care, with the Batteries and Lights segment contributing the majority of its revenue.