| CO2EFFICIENT LLC | Washington | DC | 1 | 2026-05-17 |
| CMFG LIFE INSURANCE COMPANY | MADISON | WI | 1 | 2026-05-17 |
| CME GROUP, INC. | WASHINGTON | DC | 1 | 2026-05-17 |
| CLOUDFACTORS LLC | Orlando | FL | 1 | 2026-05-17 |
| CLINE STRATEGIC CONSULTING, LLC | Charles Town | WV | 4 | 2026-05-17 |
| CLERGY FINANCIAL STRATEGY AND TAX PLANNING INC | HAMPTON | VA | 1 | 2026-05-17 |
| CLEMSON UNIVERSITY | Columbia | SC | 1 | 2026-05-17 |
| CLEARWATER GROUP, LLC | Ridgeland | MS | 4 | 2026-05-17 |
| CLEARSPEED INC. | San Diego | CA | 1 | 2026-05-17 |
| CLEAN FUELS ALLIANCE AMERICA F/K/A NATIONAL BIODIESEL BOARD | WASHINGTON | DC | 1 | 2026-05-17 |
| CLEAN AIR TASK FORCE, INC. | Boston | MA | 1 | 2026-05-17 |
| CLAUSE LAW P.L.L.C. | Washington | DC | 11 | 2026-05-17 |
| CLASSIFIED POLITICAL CONSULTANTS LLC. | memphis | TN | 1 | 2026-05-17 |
| CLARK STREET ASSOCIATES | Los Altos | CA | 13 | 2026-05-17 |
| CLARK HILL, PLC | Washington | DC | 1 | 2026-05-17 |
| CLARK HILL PUBLIC STRATEGIES LLC | Washington | DC | 23 | 2026-05-17 |
| CLARISSA J MIDDLETON, LOBBYIST | HEPHZIBAH | GA | 1 | 2026-05-17 |
| CLARIOS, LLC | Glendale | WI | 1 | 2026-05-17 |
| CLAREO | Fort Lauderdale | FL | 1 | 2026-05-17 |
| CITY OF SANTA CLARA | Santa Clara | UT | 3 | 2026-05-17 |
| CITIZENS COMMITTEE FOR THE RIGHT TO KEEP AND BEAR ARMS | BELLEVUE | WA | 1 | 2026-05-17 |
| CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | CINCINNATI | OH | 2 | 2026-05-17 |
| CINCINNATI BELL INC (DBA ALTAFIBER) AND ITS SUBSIDIARIES | Cincinnati | OH | 2 | 2026-05-17 |
| CIEE | SOUTH PORTLAND | ME | 1 | 2026-05-17 |
| CHW ADVISORS | Columbus | OH | 2 | 2026-05-17 |
| CHUGACH ALASKA CORPORATION | Anchorage | AK | 1 | 2026-05-17 |
| CHRISTOPHER & DANA REEVE FOUNDATION | Short Hills | NJ | 1 | 2026-05-17 |
| CHRISTIANS UNITED FOR ISRAEL ACTION FUND | Alexandria | VA | 2 | 2026-05-17 |
| CHRISTIANACARE | Wilmington | DE | 1 | 2026-05-17 |
| CHRIS KATOPIS | Washington | DC | 2 | 2026-05-17 |
| CHM LLC DBA ATLAS COMMUNITY STUDIOS | Washington | DC | 8 | 2026-05-17 |
| CHIPOTLE MEXICAN GRILL, INC | Newport Beach | CA | 1 | 2026-05-17 |
| CHIME FINANCIAL, INC. | Washington | DC | 1 | 2026-05-17 |
| CHILDREN'S HOSPITAL AND HEALTH SYSTEM, INC. | Milwaukee | WI | 1 | 2026-05-17 |
| CHILDREN'S HEALTHCARE OF ATLANTA | Atlanta | GA | 1 | 2026-05-17 |
| CHIESI USA, INC. | Cary | NC | 1 | 2026-05-17 |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP | The Woodlands | TX | 2 | 2026-05-17 |
| CHET CULVER GROUP | Des Moines | IA | 2 | 2026-05-17 |
| CHESAPEAKE ENTERPRISES | Dallas | TX | 4 | 2026-05-17 |
| CHESAPEAKE BAY FOUNDATION, INC. | ANNAPOLIS | MD | 1 | 2026-05-17 |
| CHENIERE ENERGY, INC. | Washington | DC | 1 | 2026-05-17 |
| CHENEGA CORPORATION | Anchorage | AK | 1 | 2026-05-17 |
| CHECKMATE GOVERNMENT RELATIONS | Winston Salem | NC | 129 | 2026-05-17 |
| CHATTEM, INC D/B/A OPELLA | Morristown | NJ | 1 | 2026-05-17 |
| CHARTWELL STRATEGY GROUP LLC | Washington | DC | 20 | 2026-05-17 |
| CHARGEPOINT, INC. | Campbell | CA | 1 | 2026-05-17 |
| CHAPMAN AND CUTLER LLP | Chicago | IL | 1 | 2026-05-17 |
| CHANGENT (FKA NURSE-FAMILY PARTNERSHIP COLORADO) | Denver | CO | 2 | 2026-05-17 |
| CHANEL, INC. | NEW YORK | NY | 1 | 2026-05-17 |
| CHAMBER OF SHIPPING OF AMERICA | WASHINGTON | DC | 2 | 2026-05-17 |
| CHAMBER HILL STRATEGIES | Arlington | VA | 10 | 2026-05-17 |
| CGCN GROUP, LLC | Washington | DC | 44 | 2026-05-17 |
| CFM STRATEGIC COMMUNICATIONS (CONKLING FISKUM & MCCORMICK) | WASHINGTON | DC | 10 | 2026-05-17 |
| CERTIFIED FINANCIAL PLANNER BOARD OF STANDARDS, INC. | Washington | DC | 3 | 2026-05-17 |
| CERES, INC. | Boston | MA | 1 | 2026-05-17 |
| CENTERPOINT ENERGY | Indianapolis | IN | 1 | 2026-05-17 |
| CENTERLIGHT HEALTHCARE, INC. | Flushing | NY | 2 | 2026-05-17 |
| CENTER ROAD SOLUTIONS | Valley City | OH | 12 | 2026-05-17 |
| CENTER ON BUDGET AND POLICY PRIORITIES | WASHINGTON | DC | 1 | 2026-05-17 |
| CENTER MARKET STRATEGIES, LLC | Washington | DC | 2 | 2026-05-17 |
| CENTER FOR SCIENCE IN THE PUBLIC INTEREST | Washington | DC | 1 | 2026-05-17 |
| CENTER FOR LYME ACTION | WASHINGTON | DC | 1 | 2026-05-17 |
| CENTER FOR LAW AND SOCIAL POLICY (CLASP) | Washington | DC | 1 | 2026-05-17 |
| CENTER FOR INQUIRY, INC. OFFICE OF PUBLIC POLICY | Amherst | NY | 1 | 2026-05-17 |
| CENTER FOR COMMUNITY CHANGE ACTION | Washington | DC | 1 | 2026-05-17 |
| CENTER FOR CLIMATE AND ENERGY SOLUTIONS | Arlington | VA | 1 | 2026-05-17 |
| CENTER FOR BIOLOGICAL DIVERSITY | Tucson | AZ | 2 | 2026-05-17 |
| CENTER FOR AMERICAN PROGRESS ACTION FUND | WASHINGTON | DC | 1 | 2026-05-17 |
| CENOVUS US CORPORATION (FKA CENOVUS ENERGY) | Dublin | OH | 1 | 2026-05-17 |
| CEMEX INC. | Houston | TX | 1 | 2026-05-17 |
| CDPQ U.S. INC. | New York | NY | 1 | 2026-05-17 |
| CDB PROJX LLC | Brandywine | MD | 2 | 2026-05-17 |
| CC LAW & POLICY | Jupiter | FL | 3 | 2026-05-17 |
| CBOE GLOBAL MARKETS, INC. | CHICAGO | IL | 1 | 2026-05-17 |
| CAVAROCCHI RUSCIO DENNIS ASSOCIATES, L.L.C. | Washington | DC | 23 | 2026-05-17 |
| CAVALRY STRATEGIES LLC | Tallahassee | FL | 1 | 2026-05-17 |
| CATURUS | Houston | TX | 2 | 2026-05-17 |
| CATSKILL MOUNTAINKEEPER INC | Livingston Manor | NY | 1 | 2026-05-17 |
| CATALYST STRATEGIES, LLC | Richmond | VA | 3 | 2026-05-17 |
| CATALYST GLOBAL STRATEGIES, LLC | Washington | DC | 5 | 2026-05-17 |
| CASTELION | Washington | DC | 1 | 2026-05-17 |
| CASSIDY & ASSOCIATES, INC. | Washington | DC | 169 | 2026-05-17 |
| CASE WESTERN RESERVE UNIVERSITY | CLEVELAND | OH | 1 | 2026-05-17 |
| CASA, INC. | Hyattsville | MD | 2 | 2026-05-17 |
| CARPI & CLAY, INC | WASHINGTON | DC | 16 | 2026-05-17 |
| CARPENTER STRATEGIC CONSULTING LLC | Alexandria | VA | 7 | 2026-05-17 |
| CAROLINA FINANCIAL GROUP | Brevard | NC | 1 | 2026-05-17 |
| CAROL G HOLLADAY & ASSOCIATES | Washington | DC | 1 | 2026-05-17 |
| CARMEN GROUP INCORPORATED | Washington | DC | 4 | 2026-05-17 |
| CARLYLE CONSULTING | Alexandria | VA | 1 | 2026-05-17 |
| CARLOUGH SOLUTIONS, LLC | Nicholasville | KY | 9 | 2026-05-17 |
| CARGO AIRLINE ASSOCIATION | Washington | DC | 1 | 2026-05-17 |
| CARFAX, INC. | Centreville | VA | 2 | 2026-05-17 |
| CAREQUEST INSTITUTE FOR ORAL HEALTH, INC. | BOSTON | MA | 1 | 2026-05-17 |
| CAREFIRST BLUECROSS BLUESHIELD | Washington | DC | 2 | 2026-05-17 |
| CARE NEW ENGLAND | Providence | RI | 1 | 2026-05-17 |
| CARE ACTION NOW, INC. | Washington | DC | 1 | 2026-05-17 |
| CARDINAL INFRASTRUCTURE LLC | Washington | DC | 1 | 2026-05-17 |
| CARD & ASSOCIATES, LLC | Washington | DC | 6 | 2026-05-17 |
| CARBON CAPTURE IMPACT | Minneapolis | MN | 1 | 2026-05-17 |