| David Owens | EDISON ELECTRIC INSTITUTE INC | $7,213,921 |
| Thomas J Donohue | CHAMBER OF COMMERCE OF THE USA | $6,909,025 |
| Meredith A Baker | CTIA THE WIRELESS ASSOCIATION | $5,746,048 |
| Michael K Powell | NCTA - THE INTERNET AND TELEVISION ASSOCIATION | $5,175,516 |
| Calvin M Dooley | AMERICAN CHEMISTRY COUNCIL | $4,417,800 |
| Nicholas Calio | AIR TRANSPORT ASSOCIATION OF AMERICA INC | $4,189,796 |
| Richard J Pollack | AMERICAN HOSPITAL ASSOCIATION INC | $4,045,979 |
| Matthew R Shay | NATIONAL RETAIL FEDERATION INC | $3,913,714 |
| Dawn Sweeney | NATIONAL RESTAURANT ASSOCIATION | $3,902,758 |
| Agnes Warfield-Blanc | CHAMBER OF COMMERCE OF THE USA | $3,860,792 |
| Gordon H Smith | NATIONAL ASSOCIATION OF BROADCASTERS | $3,699,229 |
| Edward Aulisi Md | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $3,396,894 |
| Patrick Ewing | GEORGETOWN UNIVERSITY | $3,366,461 |
| Susan K Neely | AMERICAN BEVERAGE ASSOCIATION | $3,364,457 |
| Dirk Kempthorne | AMERICAN COUNCIL OF LIFE INSURERS INC | $3,266,818 |
| Thomas Kuhn | EDISON ELECTRIC INSTITUTE INC | $3,246,360 |
| Stephen J Ubl | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | $3,130,880 |
| Jay Timmons | NATIONAL ASSOCIATION OF MANUFACTURERS OF THE UNITED STATES OF AMERICA | $3,080,015 |
| Robert Schultze | INTERNATIONAL CITY MANAGEMENT ASSOCIATION RETIREMENT CORPORATION | $3,025,980 |
| Joshua B Bolten | BUSINESS ROUNDTABLE INC | $3,000,424 |
| Paul Schott Stevens | INVESTMENT COMPANY INSTITUTE | $2,898,002 |
| Robert S Nichols | AMERICAN BANKERS ASSOCIATION | $2,831,782 |
| Timothy D Adams | INSTITUTE OF INTERNATIONAL FINANCE INC | $2,720,981 |
| Arthur C Brooks | AMERICAN ENTERPRISE INSTITUTE FOR PUBLIC POLICY RESEARCH | $2,645,480 |
| Michael J Sommers | AMERICAN PETROLEUM INSTITUTE | $2,590,284 |
| David Mccurdy | AMERICAN GAS ASSOCIATION | $2,583,299 |
| James Greenwood | BIOTECHNOLOGY INNOVATION ORGANIZATION | $2,534,638 |
| Greg Baer | BANK POLICY INSTITUTE | $2,498,467 |
| Richard Jonas Md | CHILDRENS HOSPITAL | $2,479,228 |
| Fred Mo | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $2,470,301 |
| Suzanne P Clark | CHAMBER OF COMMERCE OF THE USA | $2,468,998 |
| Roger Dow | US TRAVEL ASSOCIATION | $2,383,900 |
| Robert W Cook | FINANCIAL INDUSTRY REGULATORY AUTHORITY INC | $2,358,157 |
| Susan F Axelrod | FINANCIAL INDUSTRY REGULATORY AUTHORITY INC | $2,350,790 |
| Mark Merritt | PHARMACEUTICAL CARE MANAGEMENT ASSOCIATION | $2,338,462 |
| Thomas Collamore | CHAMBER OF COMMERCE OF THE USA | $2,241,130 |
| Charles Kahn Iii | FEDERATION OF AMERICAN HOSPITALS | $2,240,356 |
| Thomas Fishbein Md | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $2,217,733 |
| Lisa A Rickard | US CHAMBER INSTITUTE FOR LEGAL REFORM | $2,133,254 |
| Kurt D Newman Md | CHILDRENS HOSPITAL | $2,129,428 |
| Scott Whitaker | ADVANCED MEDICAL TECHNOLOGY ASSOCIATION | $2,079,835 |
| Wayne Wicker | INTERNATIONAL CITY MANAGEMENT ASSOCIATION RETIREMENT CORPORATION | $2,047,750 |
| Demaurice Smith | NATIONAL FOOTBALL LEAGUE PLAYERS ASSOCIATION | $2,042,204 |
| Richard Baker | MANAGED FUNDS ASSOCIATION | $2,028,657 |
| Seyed Kalantar | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $1,963,477 |
| Evan Argintar | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $1,945,577 |
| Edward Bolen | NATIONAL BUSINESS AVIATION ASSOCIATION INC | $1,937,151 |
| Myron Brilliant | CHAMBER OF COMMERCE OF THE USA | $1,928,483 |
| Jeffrey D Deboer | REAL ESTATE ROUNDTABLE INC | $1,889,302 |
| Victoria A Espinel | BSA BUSINESS SOFTWARE ALLIANCE INC | $1,883,415 |
| Drew Maloney | AMERICAN INVESTMENT COUNCIL | $1,878,534 |
| David Israelite | NATIONAL MUSIC PUBLISHERS ASSOCIATION INC | $1,872,500 |
| David H Stevens | MORTGAGE BANKERS ASSOCIATION | $1,864,475 |
| David T Hirschmann | CHAMBER OF COMMERCE OF THE USA | $1,856,734 |
| Howard Kohr | AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE | $1,829,879 |
| Maryjane Wurth | AMERICAN HOSPITAL ASSOCIATION INC | $1,823,424 |
| Gerald Howard | NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES | $1,744,972 |
| Linda Lipsen | AMERICAN ASSOCIATION FOR JUSTICE | $1,689,847 |
| Martin J Durbin | AMERICAN PETROLEUM INSTITUTE | $1,664,688 |
| Rodger Currie | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | $1,660,689 |
| Donald F Santa | INTERSTATE NATURAL GAS ASSN OF AMERICA | $1,640,998 |
| Walter Lukken | FUTURES INDUSTRY ASSOCIATION INC | $1,613,016 |
| Darrell Kirch Md | ASSOCIATION OF AMERICAN MEDICAL COLLEGES | $1,582,614 |
| Daniel Sibears - Thru 123017 | FINANCIAL INDUSTRY REGULATORY AUTHORITY INC | $1,552,639 |
| Kraig R Naasz | DISTILLED SPIRITS COUNCIL OF THE UNITED STATES INC | $1,546,819 |
| Patrick Nero | GEORGE WASHINGTON UNIVERSITY | $1,539,482 |
| Earl A Powell Iii | NATIONAL GALLERY OF ART | $1,516,360 |
| Michael J Huppe | SOUNDEXCHANGE INC | $1,511,138 |
| Kevin Fromer | FINANCIAL SERVICES FORUM | $1,498,082 |
| Richard Hunt | CONSUMER BANKERS ASSOCIATION | $1,462,448 |
| Bruce Siegel | AMERICAS ESSENTIAL HOSPITALS | $1,459,905 |
| Mark Parkinson | AMERICAN HEALTH CARE ASSOCIATION | $1,458,100 |
| Edward R Hamberger | ASSOCIATION OF AMERICAN RAILROADS | $1,429,851 |
| Mark B Leahey | MEDICAL DEVICE MANUFACTURERS ASSOCIATION | $1,428,921 |
| Harold Quinn | NATIONAL MINING ASSOCIATION | $1,428,865 |
| Todd T Diganci | FINANCIAL INDUSTRY REGULATORY AUTHORITY INC | $1,424,690 |
| Chet Thompson | AMERICAN FUEL AND PETROCHEMICAL MANUFACTURERS | $1,421,090 |
| Anthony Sandler Md | CHILDRENS HOSPITAL | $1,413,551 |
| Alan Rosenbloom | ALLIANCE FOR QUALITY NURSING HOME CARE INC | $1,408,517 |
| Alec King | CHILDRENS HOSPITAL | $1,407,862 |
| Davis Chester Jr | ASSOCIATION FOR ACCESSIBLE MEDICINES | $1,397,033 |
| Bradley Gillen | CTIA THE WIRELESS ASSOCIATION | $1,395,490 |
| Edward Woo | WASHINGTON HOSPITAL CENTER CORPORATION | $1,394,441 |
| Ezequiel Molina | WASHINGTON HOSPITAL CENTER CORPORATION | $1,394,027 |
| Marilyn Tavenner | AMERICAS HEALTH INSURANCE PLANS INC | $1,384,286 |
| Ammar Bafi | WASHINGTON HOSPITAL CENTER CORPORATION | $1,383,726 |
| Steven J Randich | FINANCIAL INDUSTRY REGULATORY AUTHORITY INC | $1,379,073 |
| Christian Shults | WASHINGTON HOSPITAL CENTER CORPORATION | $1,376,076 |
| Juanita D Duggan | NATIONAL FEDERATION OF INDEPENDENT BUSINESS INC | $1,366,290 |
| James M Assey Jr | NCTA - THE INTERNET AND TELEVISION ASSOCIATION | $1,362,376 |
| Jonathan Spalter | UNITED STATES TELECOM ASSOCIATION | $1,353,297 |
| John J Degioia Phd | GEORGETOWN UNIVERSITY | $1,344,880 |
| Richard Kaplan | NATIONAL ASSOCIATION OF BROADCASTERS | $1,343,094 |
| Vinod Thourani | WASHINGTON HOSPITAL CENTER CORPORATION | $1,341,372 |
| Lynnette Kelly | MUNICIPAL SECURITIES RULEMAKING BOARD | $1,338,930 |
| Miller Susan | ALLIANCE FOR TELECOMMUNICATIONS INDUSTRY SOLUTIONS INC | $1,338,749 |
| Nadim Haddad Md | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $1,330,466 |
| Michael C Sachtleben | MEDSTAR-GEORGETOWN MEDICAL CENTER INC | $1,326,135 |
| Daniel Leonard | NATIONAL PHARMACEUTICAL COUNCIL INC | $1,314,804 |
| Maria G Korsnick | NUCLEAR ENERGY INSTITUTE INC | $1,311,346 |