Investors are always on the lookout for opportunities to maximize their returns. A strategy that has proven to be successful is investing in companies that consistently increase their dividends. With that in mind, here are six companies rumored to be on the verge of increasing their dividends.

Firstly, we have Automatic Data Processing, a provider of human resources management software and services. The company has increased its dividend for 45 consecutive years and is expected to announce another increase soon.

Then, there's General Dynamics, one of the largest defense contractors in the world. They have a history of regular dividend increases, with 29 consecutive years of growth. The speculation is that the company will continue this trend.

Realty Income, a real estate investment trust known for its monthly dividend payments, is another company expected to announce a dividend increase. The company boasts 26 consecutive years of dividend growth.

Next up is 3M Company, a multinational conglomerate known for its research and development prowess. It has been increasing its dividends for an impressive 61 consecutive years, making it a good bet for another increase.

Another company to watch is Essex Property Trust, a real estate investment trust that specializes in apartment communities. It has a track record of 26 years of dividend growth.

Last but not least, National Retail Properties, a real estate investment trust that invests in single-tenant retail properties, has been growing dividends for 31 consecutive years.

In conclusion, these six companies are expected to continue their trend of dividend growth. This can provide investors with increasing income over time, making them attractive investment opportunities. However, like all investments, these involve risk and it's important to do your own research before investing.