When Cramer interviews CEOs, he’s not just picking them at random. These are usually executives who have made viewers a lot of money. It’s certainly true for Pete McCausland of Airgas , a stock that is up over 80% since the first time its CEO appeared on the show.

As Mad Money's own Steve Martin, McCausland made his seventh appearance on the show Thursday, officially becoming its most frequent guest.

This time around, he addressed those fearful analysts that have been sounding the alarm that Airgas is the kind of company that will get hit hard in an economic slowdown. Not so, he said. Almost every segment of the economy uses the company’s products, from its specialty gases like helium and hydrogen to its welding equipment for rent. While some of the company’s businesses are cyclical, McCausland said it makes up for that in constantly developing new applications and delivering to new markets.

Acquisitions play a big part too, as Airgas has made over 370 in its history. Its most recent, Linde Gas USA, is paying off, according to McCausland, who said "there’s a lot more to come” in synergies and cost savings with the new company.

McCausland has proved to Mad Money viewers that he can make them money. As long as Airgas continues its move higher, Cramer’s sticking with him.

Questions for Cramer?

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