All lobbying filings
Keller and Heckman, LLP
Keller and Heckman, LLP filed a Q1 report for American Petroleum Institute (API) on April 17, 2026, reporting no lobbying activity.
Lobbying for American Petroleum Institute (API) · A national trade association representing the natural gas and oil industry.
Filing · LD-2 quarterly report
Q1 reportNo activity
Reporting period
1st Quarter 2026
Jan 1 - Mar 31 · Posted Apr 17, 2026
Money reported
None
Registrations and no-activity reports carry no figure.
Client based in
District of Columbia
Lobbying activity
0
No itemized activity in this filing.