| SOUTHEAST LABORERS DC | AFFILIATED ORGANIZATION | 503503 |
| BFP 1625 EYE CO. LLC | RENT | 334156 |
| DOUBLETREE BY HILTON HOTEL | HOTEL | 127875 |
| HUB PROPERTIES - GA LLC | RENT | 113631 |
| HILTON SAN DIEGO | HOTEL | 98867 |
| CONVENTION SERVICES UNLIMITED | CONVENTION MEETING SERVICES | 80235 |
| UNITED AIRLINES | AIRLINE | 73192 |
| BOSTON PROPERTIES LIMITED PARTNERSHIP | RENT | 67896 |
| INTERNATIONAL GATEWAY WEST LLC | RENT | 66284 |
| AIR CANADA | AIRLINE | 58957 |
| KR BRANDING SOLUTIONS INC. | PROMOTIONAL PRODUCTS | 55394 |
| UNION INSURANCE GROUP INC | INSURANCE | 54948 |
| LEXIS-NEXIS | DATABASE SERVICES | 53544 |
| LOEWS CHICAGO O'HARE HOTEL LLC | HOTEL | 50312 |
| BEACON HOTEL CORPORATE QTRS | HOTEL | 50063 |
| THINKING PHONE NETWORKS INC. | TELEPHONE SERVICE | 43396 |
| APPIAN CORPORATION | SOFTWARE SERVICES | 42143 |
| HILTON PORTLAND | HOTEL | 38459 |
| THE CAPITAL HILTON-WASHINGTON | HOTEL | 35305 |
| DELTA AIR LINES | AIRLINE | 33088 |
| EI-TECH NETWORKS | COMPUTER SERVICES | 32960 |
| DOWNTOWN PROPERTY LLC | RENT | 32894 |
| 34 WEST AVENUE NORTH (HAMILTON) INC. | RENT | 32019 |
| SOUTHWEST AIRLINES | AIRLINE | 31138 |
| LAURA HUGHES | CONSULTANT | 30684 |
| LIUNA NATIONAL GUARD COUNCIL | AFFILIATED ORGANIZATION | 29973 |
| CANADIAN FEDERATION OF INDEPENDENT UNIONS LOCAL 30 | LABOR ORGANIZATION | 29202 |
| RONALD E. MYERS | CONSULTANT | 29133 |
| LIUNA STAFF AFFILIATES | PENSION FUND | 28875 |
| MARVIN F. POER COMPANY INC. | PROPERTY TAX CONSULTANTS | 28731 |
| CIT TECHNOLOGY FIN SERV INC | FINANCIAL COMPANY | 27537 |
| ETHAN CONRAD PROPERTIES INC. | RENT | 26808 |
| THOMSON REUTERS - WEST | INFORMATION SERVICES | 25682 |
| DYNALECTRIC CO. | ELECTRICAL SERVICES | 25165 |
| LOCAL 860 | AFFILIATED ORGANIZATION | 24168 |
| NATIONAL GUARD COUNCIL LOCAL 1776 | AFFILIATED ORGANIZATION | 24009 |
| MICHAEL A. QUIROZ | CONSULTANT | 23233 |
| ATT INC | TELECOMM | 22955 |
| AMERICAN AIRLINES INC | AIRLINE | 22329 |
| MARK J. JONES | COMPUTER CONSULTANT | 22060 |
| KEYSTONE PARKE I LLC | RENT | 21934 |
| THE MCLAUGHLIN COMPANY | INSURANCE | 21001 |
| INDIAN HEALTH SERVICE NATIONAL COUNCIL | AFFILIATED ORGANIZATION | 20062 |
| MIDWEST REGION ORGANIZING COMMITTEE | AFFILIATED ORGANIZATION | 19609 |
| LABORERS-EMPLOYERS COOPERATION AND EDUCATION TRUST | AFFILIATED FUND | 19189 |
| NEW JERSEY L.E.C.E.T. | LABOR AND MANAGEMENT TRUST | 18979 |
| SHERATON HOTEL NEWFOUNDLAND | HOTEL | 17735 |
| LOEWS MADISON HOTEL | HOTEL | 17378 |
| LABORERS LOCAL UNION 71 | LABOR ORGANIZATION | 17000 |
| LABORERS' LOCAL 483 | AFFILIATED ORGANIZATION | 16503 |
| JK MOVING SERVICES INC. | MOVING | 16096 |
| COMPARK INVESTMENT LTD | RENT | 16043 |
| GUILDFORD LANDMARK HOLDINGS LTD. | RENT | 15096 |
| 226 SOUTH MAIN STREET TITLE HOLDING COMPANY INC | RENT | 14868 |
| ELEVATION LTD | MEDIA AND DESIGN SERVICES | 14157 |
| UNITED PARCEL SERVICE | SHIPPING/POSTAGE | 13536 |
| AMERICA'S AGENDA:HEALTH CARE FOR ALL | POLICY POLITICAL ORGANIZATION | 13500 |
| US AIRWAYS ARC SALES | AIRLINE | 13432 |
| W WASHINGTON DC INC. | HOTEL | 13030 |
| PEPCO | UTILITY COMPANY | 12911 |
| LOCAL UNION 572 | AFFILIATED ORGANIZATION | 12778 |
| KELLY PRESS INCORPORATED | PRINTING SERVICES | 12710 |
| PROXYVOTE PLUS | INVESTMENT TRACKING SERVICES | 12500 |
| CDW DIRECT | COMPUTER SUPPLIES | 12314 |
| LABORERS LOCAL UNION 1029 | AFFILIATED ORGANIZATION | 11863 |
| SS PLUMBING LLC | PLUMBING AND HEATING | 11628 |
| TEMPCO INC. | HEATING AND COOLING SERVICES | 11252 |
| UPEC LOCAL UNION 792 | LABOR ORGANIZATION | 11245 |
| PITNEY BOWES | POSTAGE | 10800 |
| OFFICE ENVIRONMENTS INTERNATIONA INC | OFFICE FURNITURE | 10205 |
| ALLY | AUTO LEASE | 9698 |
| E E PUBLISHING LLC | ONLINE PUBLICATION | 9688 |
| ELKINS PAINTING WALLCOVERING | PAINTING CONTRACTOR | 9437 |
| LEVI RAY SHOUP INC. | COMPUTER SERVICES | 9152 |
| BANNER PERSONNEL SERVICES INC. | TEMP AGENCY | 9114 |
| U.S. CHAMBER OF COMMERCE | COMMERCE ASSOCIATION | 9000 |
| RALPH ADAMS | CONSULTANT | 8835 |
| ALASKA AIRLINES | AIRLINE | 8602 |
| LIUNA LOCAL 1110 ONTARIO FEDERATION HEALTH CARE | AFFILIATED ORGANIZATION | 8584 |
| PURCHASE POWER | SHIPPING/POSTAGE | 8419 |
| WILLIE'S HOME IMPROVEMENT | LANDSCAPING COMPANY | 8226 |
| MOBILE COMMONS INC | COMMUNICATIONS COMPANY | 7821 |
| AMTRAK.COM | TRANSPORTATION | 7681 |
| LABORERS HEALTH SAFETY FUND OF NORTH AMERICA | AFFILIATED FUND | 7669 |
| RICHARD GREER | CONSULTANT | 7415 |
| BUSINESS CARD PLATINUM PLUS FOR BUSINESS | CREDITCARD | 7185 |
| DIRECT ENERGY BUSINESS | UTILITY COMPANY | 7102 |
| SOFTCHOICE CORPORATION | COMPUTER EQUIPMENT | 6845 |
| HISTORY ASSOCIATES INC | RECORDS PRESERVATION | 6833 |
| ST. REGIS WASHINGTON DC LLC | HOTEL | 6795 |
| BLACKBAUD INC. | SOFTWARE SERVICES | 6669 |
| DEEPIKA MEHTA | CONSULTANT | 6300 |
| PREQIN LTD | DATA RESEARCH | 6230 |
| ROMOLO ASSOCIATES | FINANCIAL SERVICES | 6181 |
| HILTON SPRINGFIELD | HOTEL | 6129 |
| PITNEY BOWES GLOBAL FINANCIAL SERVICE LLC | SHIPPING/POSTAGE | 6031 |
| MERGERMARKET LIMITED US | CONSULTANT | 6000 |
| MINAHAN AND MUTHER P.C. | LEGAL | 6000 |
| HILTON DIPLOMAT RESORT | HOTEL | 5671 |
| IMPACTOFFICE | OFFICE SUPPLIES | 5548 |
| NATIONAL ORGANIZATION OF PROFESSIONAL ATHLETES | SPEAKER ORGANIZATION | 5400 |
| DR. ERIC RICE | LEADERSHIP TRAINING | 5140 |
