Are you considering a career in pharmaceutical sales? If so, you should know about the biggest pharmaceutical companies in the industry. Together, these giants produce the majority prescription drugs and over-the-counter medications on the market today. One of the businesses on this list could be your future employer. And even if you don’t end up working for a top company, it’s smart to know about the competition. Read over the list of pharmaceutical companies below to learn all about the world’s drug giants.

1.) Pfizer

The world’s largest pharmaceutical company, Pfizer, employs more than 135,000 people and makes about $70 million in annual revenue. The New York City-based enterprise also ranks number one in worldwide sales. Pfizer recently bought Wyeth, another of the largest pharmaceutical companies; the merger propelled Pfizer far above the competition in terms of revenue and employees. Some of Pfizer’s best-performing drugs are Celebrex, Lipitor, Viagra, and Lyrica. Read more on The world’s top seven pharmaceutical companies…