The 10 biggest lobbying spenders in Washington laid out less than $300 million in 2015, lobbying records and Center for Responsive Politics data show. Expenditures by the top 10 fell to just under $282 million, down from about $323.7 million the year before. Last year, the top tier included so

Source: Ex-Im beneficiaries drove lobbying spending in 2015 | OpenSecrets Blog