These four companies appear to be a good deal based on future earnings expectations and trading at a low price/earnings (P/E) ratio compared to historic norms.

When a company is growing earnings and trading at a low valuation, then investors can benefit from a rising share price if the P/E moves back to more normal levels, or earnings continue to increase even if the P/E doesn't increase. The ideal scenario occurs when the company grows earnings and the P/E rises to more typical levels.

If these four companies deliver the earnings expected (or close...