For long-term investors, there are not many things better than finding a profitable company paying you to hold shares. Yes, I'm talking about dividends. The best companies can give you annual raises, which can add to substantial investment returns over time. If a company in the S&P 500 can pay and raise its dividend annually for 50 consecutive years, it earns a designation as a Dividend King.

Healthcare is one of the most essential industries in the global economy, and it's a multitrillion-dollar industry. So why not combine these two ideas? Here are three Dividend Kings in the healthcare industry that you can own and sleep well at night while building wealth simultaneously.

Healthcare conglomerate Johnson & Johnson (NYSE: JNJ) is a dividend legend. The company has posted 60 years of consecutive increases, truly creating generational wealth. The company has a three-legged business that consists of consumer products, medical devices, and pharmaceuticals. The business makes more than $94 billion in annual revenue.

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Source Fool.com