Lockheed Martin Corporation (NYSE:LMT) is included among the Best Stocks for a Dividend Stock Portfolio. The Role of Lockheed Martin (LMT) in a Balanced Dividend Stock Portfolio Photo by Viacheslav Bublyk on Unsplash Lockheed Martin Corporation (NYSE:LMT) is an American defense and aerospace manufacturing company. It continues to channel significant resources into research and development, fueling innovation and strengthening its ability to deliver cutting-edge defense technologies that address shifting ...