To qualify for the Influence 50, firms must have reported at least $2 million in Lobbying Disclosure Act fees and had at least $7 million in overall lobbying revenue in 2012. For more on the methodology, see the Readers’ Guide to the Influence Revenue Survey.


1Formerly SNR Denton
2Lobbies as McGuireWoods Consulting
3Formerly Dutko Grayling
4Formerly Peck, Madigan, Jones & Stewart
5Lobbies as FaegreBD Consulting
6Formerly Mercury/Clark & Weinstock