Lovells

<p>Data from OpenSecrets.org</p>

<p>

Hogan & Hartson earned $154,753,907.

Hogan & Hartson earned $154,753,907.

Wikimedia Commons

2009 lobbying income: $18,160,000*</p>

<p>

Top three clients and how much they paid:</p>

<p>

Nissan North America: $2,300,000</p>

<p>

Anschutz Corp: $520,000</p>

<p>

TPG: $510,000</p>

<p>

Hogan & Hartson merged with Lovells in 2009, The Washington Post reported at the time. That merger made the newly created company one of the world's biggest law firms.</p>