brusinski Introduction It is always nice to have companies in your portfolio that are capable of raising the dividend like clockwork. Whether things are going good or bad in the stock market, these companies have a robust business model and a solid balance sheet and are therefore able to achieve sustainable dividend growth. A. O. Smith Corporation (NYSE:AOS) is a company that meets these criteria. What is special is that the company has existed for 150 years this year. This confirms that AOS stood the test ...