The 25 Biggest American IT Companies On The 2015 Fortune 500

Overall, the IT industry had a good showing this year. Several companies are in the midst of transitioning from hardware to software and cloud sales, and traditional telecommunications carriers are evolving into IT service providers with boosted revenue to prove it.

1. Apple $182.8 billion

CEO: Tim Cook

2015 Fortune 500 Rank: 5

2014 Fortune 500 Rank: 5

Apple held steady in the top five Fortune 500 companies for the second consecutive year, the most lucrative IT company on the Fortune 500 list once again. Apple revenue rose 7 percent in fiscal 2014 to $182.8 billion vs. the prior fiscal year.

2. AT&T $132.4 billion

3. Verizon $127 billion

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