An interesting set of numbers from a group that says this:-
Our Vision and Mission: Inform, Empower & Advocate
Nonpartisan, independent and nonprofit, OpenSecrets is the nation’s premier research group tracking money in U.S. politics and its effect on elections and public policy. Our mission is to track the flow of money in American politics and provide the data and analysis to strengthen democracy. Our vision is for Americans to use this knowledge to create a more vibrant, representative and accountable democracy.
According to OpenSecrets DJI has spent $670,000 dollars already this year. These are the Bills they have lobbied.
These are the lobbyists representing them
I will keep a closer eye on OpenSecrets now.