Investing.com - Few major U.S. companies have announced plans to increase jobs and investment because of the Trump administration's massive corporate tax cut package.JPMorgan Chase (NYSE:JPM)'s is the most ambitious yet. Its $20 billion spending plan includes hiring 4,000 workers and opening 400 branches over the next five years.Comcast (NASDAQ:CMCSA) plans to invest the most money - some $50 billion in infrastructure spending -- but has not indicated it will hire more workers.Fiat Chrysler will invest $1 billion in a truck factory and hire 2,500 new workers there. AT&T (NYSE:T) also announced $1 billion in new capital spending. Boeing (NYSE:BA) and Wells Fargo (NYSE:WFC) each committed to $100 million.Though Apple (NASDAQ:AAPL) recently said it will invest $30 billion and create 20,000 jobs in the U.S. over the next five years, it did not specifically cite the tax cut as a reason. So far, more than 200 companies have credited the tax cut for their decision to give workers a one-time bonus, wage increase or sweetened benefit.