PATRICK COSTELLO
PATRICK COSTELLO is named as a lobbyist in 14 lobbying reports we hold, filed by 1 registrant for 14 clients.
Earlier government jobs, as reported
A lobbying report lists each lobbyist's covered positions: jobs in Congress or the executive branch that the law asks a lobbyist to disclose. Each line is copied as a report states it.
- 2005 - 2008 (Congressman Jon Porter)
- 2003-2008 StafF Congressman Jon Porter
- " 2005 - 2008 (Congressman Jon Porter)
Registrants and clients
- MERCURY PUBLIC AFFAIRS, LLC · 14 reports
Clients: CARIBBEAN PORT SERVICES S.A.; DENHAM CAPITAL MANAGEMENT LP; ENDEAVOR ENERGY HOLDINGS LLC; FLOCK GROUP INC D/B/A FLOCK SAFETY; GOTION, INC.; GROWTH[PERIOD] OBO WASHINGTON GAS LIGHT COMPANY; HELSING INC; JEFFER MANGELS BUTLER & MITCHELL LLP OBO DATELINE RESOURCES LIMITED; KEYSTONE STRATEGIC ADVISORS OBO BATRIC RADUNOVIC; KOREA ZINC COMPANY, LTD.; LOHUM CLEANTECH PVT LTD; NAZANIN BONIADI; UL SOLUTIONS, INC.; VDMA AMERICA, INC.FKA VDMS AMERICA, INC..
Bills named where this lobbyist is listed, and how the House and the Senate voted
No report we hold names a bill of the current Congress.
Issues named: Trade (domestic/foreign) (5), Financial Institutions/Investments/Securities (3), Energy/Nuclear (2), Foreign Relations (2), Manufacturing (2), Natural Resources (2), Science/Technology (2), Defense (1), Economics/Economic Development (1), Environment/Superfund (1), Homeland Security (1), Tariff (miscellaneous tariff bills) (1), and 2 mores.
Every report
| Client | Registrant | Kind, as filed | Posted | Report |
|---|---|---|---|---|
| HELSING INCDefense | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| ENDEAVOR ENERGY HOLDINGS LLCFinancial Institutions/Investments/Securities | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| LOHUM CLEANTECH PVT LTDFinancial Institutions/Investments/Securities | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| KOREA ZINC COMPANY, LTD.Energy/Nuclear, Environment/Superfund, Natural Resources, Taxation/Internal Revenue Code, Trade (domestic/foreign) | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| KEYSTONE STRATEGIC ADVISORS OBO BATRIC RADUNOVICFinancial Institutions/Investments/Securities | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| JEFFER MANGELS BUTLER & MITCHELL LLP OBO DATELINE RESOURCES LIMITEDNatural Resources | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| GROWTH[PERIOD] OBO WASHINGTON GAS LIGHT COMPANYUtilities | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| GOTION, INC.Energy/Nuclear, Manufacturing, Science/Technology, Trade (domestic/foreign), Economics/Economic Development | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| FLOCK GROUP INC D/B/A FLOCK SAFETYHomeland Security | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| DENHAM CAPITAL MANAGEMENT LPTrade (domestic/foreign) | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| NAZANIN BONIADIForeign Relations | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| CARIBBEAN PORT SERVICES S.A.Trade (domestic/foreign), Foreign Relations | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| UL SOLUTIONS, INC.Science/Technology | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov | |
| VDMA AMERICA, INC.FKA VDMS AMERICA, INC.Trade (domestic/foreign), Tariff (miscellaneous tariff bills), Manufacturing | MERCURY PUBLIC AFFAIRS, LLC | 2nd Quarter - Report | The report on LDA.gov |
Campaign gifts this lobbyist reported
Lobbyists and registrants report their political contributions twice a year (form LD-203). We hold these reports only for contributions to the campaign committees of members who sponsored or cosponsored a bill named in a lobbying report. Any other contribution: Not checked yet.
No contribution report we hold lists a gift from this filer.
Where this comes from
Lobbying Disclosure Act reports (LD-2), LDA.gov. We save our own copy of each page of LDA.gov's list of reports before we read it. These pages were built from our copies on .
2026-Q2: every page of LDA.gov's list saved and read.
A lobbying report states the registrant's income from the client (a lobbying firm) or its own lobbying expenses (an organization lobbying for itself), for the whole quarter and every issue together. A report of less than $5,000, or of no lobbying activity, states no figure. It is not the amount spent on one bill.
Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.