Bjoern Wylezich/iStock Editorial via Getty Images Here at the Lab, we have good coverage of Industrial gas companies, and Air Products and Chemicals (NYSE:APD) is a top pick in our investment portfolio. For our new readers, the company has a $12 billion annual turnover and provides specialty gases to healthcare facilities, industrial manufacturers, and energy companies. These gases are delivered by pipelines with on-site production units or in liquid or tanker trucks. In addition, for smaller customers, ...