| PEOPLE UNITED FOR PRIVACY | Washington | DC | 1 | 2026-05-17 |
| PENNSYLVANIA HIGHER EDUCATION ASSISTANCE AGENCY | Harrisburg | PA | 1 | 2026-05-17 |
| PENNSYLVANIA ENERGY RESOURCES GROUP, LLC | Harrisburg | PA | 2 | 2026-05-17 |
| PENN HILL GROUP | Washington | DC | 5 | 2026-05-17 |
| PENN AVENUE PARTNERS | Washington | DC | 38 | 2026-05-17 |
| PEN AMERICA | New York | NY | 2 | 2026-05-17 |
| PEMBINA PIPELINE CORPORATION | | | 1 | 2026-05-17 |
| PELOTON INTERACTIVE, INC. | New York | NY | 1 | 2026-05-17 |
| PELORUS CONSULTING LLC | Alexandria | VA | 1 | 2026-05-17 |
| PEDRO PEDROZA RODRIGUEZ | Oak Park | IL | 1 | 2026-05-17 |
| PEARSON34 CONSULTING | Demopolis | AL | 2 | 2026-05-17 |
| PAYSAFE PAYMENT PROCESSING SOLUTIONS LLC | Jacksonville | FL | 2 | 2026-05-17 |
| PAYPAL, INC. | Washington | DC | 1 | 2026-05-17 |
| PAULEY MANAGEMENT INC. | Cocoa Beach | FL | 4 | 2026-05-17 |
| PAUL MARCONE & ASSOCIATES, LLC | Chantilly | VA | 22 | 2026-05-17 |
| PAUL HASTINGS LLP | WASHINGTON | DC | 11 | 2026-05-17 |
| PATTERSON & MEEK | Washington | DC | 10 | 2026-05-17 |
| PATINO BREWSTER & PARTNERS, LLC | Coral Gables | FL | 1 | 2026-05-17 |
| PATEL PARTNERS LLC | Arlington | VA | 9 | 2026-05-17 |
| PASTORUM PARTNERS, LLC | McLean | VA | 2 | 2026-05-17 |
| PASSAGE CONSULTING GROUP LLC | Horseshoe Bay | TX | 4 | 2026-05-17 |
| PARTNERSHIP FOR PART D ACCESS (INFORMAL COALITION) | Washington | DC | 1 | 2026-05-17 |
| PARSONS CORPORATION | Washington | DC | 1 | 2026-05-17 |
| PARRY, ROMANI, DECONCINI & SYMMS | Washington | DC | 7 | 2026-05-17 |
| PARLAY STRATEGIES | Washington | DC | 1 | 2026-05-17 |
| PARKINSON'S FOUNDATION | Washington | DC | 2 | 2026-05-17 |
| PARK GOVERNMENT RELATIONS, LLC | Washington | DC | 7 | 2026-05-17 |
| PARK & K PUBLIC AFFAIRS LLC | New York | NY | 1 | 2026-05-17 |
| PARENTS AS TEACHERS NATIONAL CENTER | ST. LOUIS | MO | 1 | 2026-05-17 |
| PARATEK PHARMACEUTICALS | King of Prussia | PA | 3 | 2026-05-17 |
| PARALYZED VETERANS OF AMERICA | WASHINGTON | DC | 1 | 2026-05-17 |
| PARALLEL SYSTEMS | Los Angeles | CA | 1 | 2026-05-17 |
| PANNONE LOPES DEVEREAUX & O'GARA LLC | Johnston | RI | 1 | 2026-05-17 |
| PALO ALTO NETWORKS, INC. | Santa Clara | CA | 1 | 2026-05-17 |
| PADDOCK ASSOCIATES, LLC | Washington | DC | 4 | 2026-05-17 |
| PACIFIC NORTHWEST WATERWAYS ASSOCIATION (PNWA) | Vancouver | WA | 2 | 2026-05-17 |
| PACIFIC LEGAL FOUNDATION | Sacramento | CA | 1 | 2026-05-17 |
| PACIFIC FUSION | Washington | DC | 1 | 2026-05-17 |
| PACIFIC ATLANTIC PARTNERS | Washington | DC | 1 | 2026-05-17 |
| PACESETTER STRATEGIES FORMERLY KNOWN AS K. BLACK STRATEGIES LLC | McLean | VA | 3 | 2026-05-17 |
| PACE, LLP | Washington | DC | 8 | 2026-05-17 |
| PACCAR INC | Washington | DC | 1 | 2026-05-17 |
| P STREET PROJECT, INC. | Washington | DC | 1 | 2026-05-17 |
| OXFORD STRATEGIES LLC-MD | Chevy Chase | MD | 3 | 2026-05-17 |
| OXFORD ALLEY POLICY ADVISORY | Chevy Chase | MD | 2 | 2026-05-17 |
| OWENS CORNING | Toledo | OH | 1 | 2026-05-17 |
| OWEN EVANS INGOLS | Washington | DC | 16 | 2026-05-17 |
| OUTOKUMPU STAINLESS USA, LLC | Calvert | AL | 1 | 2026-05-17 |
| OTTERSON LLC | Alexandria | VA | 2 | 2026-05-17 |
| OTSUKA AMERICA PHARMACEUTICAL, INC. | Rockville | MD | 1 | 2026-05-17 |
| OSF HEALTHCARE SYSTEM | PEORIA | IL | 1 | 2026-05-17 |
| OSCAR POLICY GROUP, LLC | Washington | DC | 34 | 2026-05-17 |
| OSCAR MANAGEMENT CORPORATION | New York | NY | 1 | 2026-05-17 |
| ORSO GROUP | Silver Spring | MD | 4 | 2026-05-17 |
| ORRICK, HERRINGTON & SUTCLIFFE LLP | Washington | DC | 2 | 2026-05-17 |
| ORIGIN ADVOCACY LLC | Arlington | VA | 13 | 2026-05-17 |
| ORCHARD THERAPEUTICS NORTH AMERICA | Boston | MA | 1 | 2026-05-17 |
| OPTIVER SERVICES US LLC | Chicago | IL | 1 | 2026-05-17 |
| OPEN POLICY ASSOCIATION | Arlington | VA | 1 | 2026-05-17 |
| ONMESSAGE PUBLIC STRATEGIES | Alexandria | VA | 6 | 2026-05-17 |
| OMEGA STRATEGIES, LLC. | Gwynn Oak | MD | 10 | 2026-05-17 |
| OLSSON, FRANK, WEEDA, TERMAN & MATZ, PC | Washington | DC | 19 | 2026-05-17 |
| OLSON ADVOCACY GROUP LLC | Arlington | VA | 10 | 2026-05-17 |
| OLIN CORPORATION | Clayton | MO | 1 | 2026-05-17 |
| OLD NORTH STRATEGIES, LLC | Kings Mountain | NC | 4 | 2026-05-17 |
| OHIO HOSPITAL ASSOCIATION | COLUMBUS | OH | 1 | 2026-05-17 |
| OHIO FARM BUREAU FEDERATION | Columbus | OH | 1 | 2026-05-17 |
| OGR | Washington | DC | 6 | 2026-05-17 |
| OGLETHORPE POWER CORPORATION | TUCKER | GA | 1 | 2026-05-17 |
| OFFSHORE MARINE SERVICE ASSOCIATION | New Orleans | LA | 1 | 2026-05-17 |
| OFF HILL STRATEGIES L.L.C. | St. Petersburg | FL | 9 | 2026-05-17 |
| ODAWI LAW PLLC | Jimersontown, Seneca Nation | NY | 2 | 2026-05-17 |
| OCULUS STRATEGIES, LLC | Manassas | VA | 2 | 2026-05-17 |
| OCEANTIC NETWORK | Baltimore | MD | 1 | 2026-05-17 |
| OCEAN SPRAY CRANBERRIES, INC | Lakeville-Middleboro | MA | 1 | 2026-05-17 |
| OCEAN CONSERVANCY | Washington | DC | 1 | 2026-05-17 |
| OCAL LOBBYING GROUP | Cedartown | GA | 3 | 2026-05-17 |
| OAKLEY CAPITOL CONSULTING LLC | Vonore | TN | 1 | 2026-05-17 |
| OAK RIDGE ASSOCIATED UNIVERSITIES, INC. | Oak Ridge | TN | 1 | 2026-05-17 |
| O'KEEFFE SHAHMORADI STRATEGIES, LLC | Washington | DC | 3 | 2026-05-17 |
| O'HARE INFRASTRUCTURE STRATEGIES LLC | Arlington | VA | 1 | 2026-05-17 |
| NYU LANGONE HOSPITALS (FORMERLY NYU HOSPITALS CENTER) | New York | NY | 1 | 2026-05-17 |
| NXG GLOBAL LAW & COMPLIANCE PLLC | Chicago | IL | 2 | 2026-05-17 |
| NWG ADVOCACY LLC | West Palm Beach | FL | 4 | 2026-05-17 |
| NVIDIA CORPORATION | Santa Clara | CA | 1 | 2026-05-17 |
| NVG, LLC | Washington | DC | 4 | 2026-05-17 |
| NUTRIEN US LLC (FORMERLY KNOWN AS AGRIUM U.S. INC.) (A NUTRIEN LTD SUBSIDIARY). | Loveland | CO | 1 | 2026-05-17 |
| NRG ENERGY, INC. | Houston | TX | 1 | 2026-05-17 |
| NOVUS INK LIMITED LIABILITY COMPANY | Doral | FL | 2 | 2026-05-17 |
| NOVELIS INC. | Washington | DC | 1 | 2026-05-17 |
| NOVEL STRATEGIES (FKA) PRISM GROUP | Washington | DC | 17 | 2026-05-17 |
| NOURYON | Radnor | PA | 1 | 2026-05-17 |
| NOTARIZE, INC. DBA PROOF.COM | Boston | MA | 1 | 2026-05-17 |
| NOSSAMAN LLP | Washington | DC | 4 | 2026-05-17 |
| NORTON ROSE FULBRIGHT US LLP | Washington | DC | 1 | 2026-05-17 |
| NORTHWESTERN UNIV | EVANSTON | IL | 1 | 2026-05-17 |
| NORTHWESTERN MEMORIAL HOSPITAL | CHICAGO | IL | 1 | 2026-05-17 |
| NORTHWEST HORTICULTURAL COUNCIL | Yakima | WA | 1 | 2026-05-17 |
| NORTHSTAR EK LLC | Alexandria | VA | 3 | 2026-05-17 |
| NORTHFORK STRATEGIES | Bozeman | MT | 5 | 2026-05-17 |