TNK vs AMPH Comparison

Teekay Tankers Ltd is a provider of marine services to the global oil and natural gas industries and an operator of medium-sized oil tankers. The company operates in two segments: Tankers, which consists of the operation of all of the company's tankers (including the operations from those tankers employed on full service lightering contracts), and the company's U.S. based ship-to-ship support service operations (including its lightering support services provided as part of full service lightering operations); and Marine Services, which consists of operational and maintenance marine services provided to the Australian government, Australian energy companies and other third parties. The company generates the majority of its revenue from the Tankers segment.

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.