Investors can expect Lockheed Martin (LMT), ExxonMobil (XOM -0.63%), and Starbucks (SBUX -0.24%) to raise their dividends this month or next. Lockheed Martin is a cash cow with a massive backlogLike clockwork, Lockheed Martin tends to raise its dividend between reporting second-quarter and third-quarter earnings. But investors looking for passive income at a good value may want to take a closer look at this high-yield dividend stock in October. ExxonMobil's dividend is the gold standard in the energy sectorOn Nov. 1, 2024, ExxonMobil increased its dividend for the 42nd consecutive year. With a yield of 3.4% and achievable long-term goals, ExxonMobil stands out as a top dividend stock to buy now.