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. Its business is to own oil tankers and it employs a chartering strategy that seeks to capture upside opportunities in the tanker spot market while using fixed-rate time charters to reduce downside risks. The company's fleet consisted of around 60 conventional vessels including over 10 in-chartered vessels and one 50%-owned VLCC and around six ship-to-ship support vessels. The company has two segments, conventional tanker, and ship-to-ship transfer. Its conventional tanker segment consists of the operation of all of its tankers and generates the majority of the company's revenue.