Debt can be a powerful tool for growth, but excessive leverage can also become a major risk for investors. Several companies in the S&P 500 carry enormous debt loads, in some cases exceeding one hundred billion dollars. These liabilities often come from years of acquisitions, infrastructure investments, or aggressive expansion strategies. In this article, we take a closer look at three companies with the highest debt levels in the index and explore what it means for their financial stability and stock performance.

A look at the most indebted titles in the S&P 500 reveals an interesting paradox. All of the following companies are well-established corporations with decades of operating history, a strong customer base and relatively stable earnings. But at the same time, all three carry debt burdens that would immediately scare investors in any other sector. Verizon Communications $VZ, Ford Motor Company $F and AT&T $T are classic examples of how debt in capital-intensive industries…