| SKDKNICKERBOCKER | CONSULTANTS | $1,220,112 |
| DELTA AIR LINES INC | Air Transportation - Scheduled | $692,645 |
| FEDERAL EXPRESS | Air Transportation - Scheduled | $411,913 |
| UNITED AIR LINES | Air Transportation - Scheduled | $264,385 |
| HYATT REGENCY WASHINGTON | Hotels & Motels | $136,437 |
| EXPRESSJET AIRLINES | Air Transportation - Scheduled | $119,122 |
| ALASKA AIRLINES INC | Air Transportation - Scheduled | $74,118 |
| PODESTA GROUP INC. | CONSULTANTS | $72,764 |
| DOUBLETREE HOTEL WSHNGTN | Hotels & Motels | $61,891 |
| VOCUS INC | Prepackaged software | $52,047 |
| UNITED AIRLINES | Air Transportation, Scheduled | $44,372 |
| FEDERAL EXPRESS | Air Transportation - Scheduled | $42,947 |
| CROSSROADS STRATEGIES | CONSULTANTS | $40,000 |
| TRANS STATES AIRLINES INC | Air Transportation - Scheduled | $27,890 |
| JETBLUE AIRWAYS | Air Transportation - Scheduled | $25,275 |
| SPIRIT AIRLINES, INC. | Air Transportation - Scheduled | $24,312 |
| WILLIAM F SECORD | ALPA Member | $24,113 |
| ENVOY AIR | Air Transportation - Scheduled | $21,662 |
| DELTA AIR LINES | Air Transportation, Scheduled | $19,232 |
| ASTAR AIR CARGO, INC | Air Transportation - Scheduled | $19,038 |
| AIR WISCONSIN CORP | Air Transportation - Scheduled | $18,329 |
| PIEDMONT AIRLINES | Air Transportation - Scheduled | $17,810 |
| KONSTANTINOS J ATSALIS | ALPA Member | $17,289 |
| PSA AIRLINES, INC. | Air Transportation - Scheduled | $16,644 |
| ROBERT A HAMILTON | ALPA Member | $15,288 |
| MESA AIRLINES GROUP | Air Transportation - Scheduled | $14,813 |
| HILTON HOTEL | Hotels & Motels | $13,986 |
| CAPITOLHOST | Restaurant/Catering | $13,806 |
| MICHAEL J HANSON | ALPA Member | $13,628 |
| RICHARD T HOLLOWAY | ALPA Member | $13,429 |
| CQ - ROLL CALL INC | Books, magazines, publications, periodicals, & new | $11,844 |
| KELLY PRESS INC | Printing | $11,554 |
| RTCA | Books, magazines, publications, periodicals, & new | $11,500 |
| JOHN L WHITE | ALPA Member | $11,201 |
| HRNDN/RSTN COURTYARD 1D5. | Hotels & Motels | $10,756 |
| MARC K HENEGAR | ALPA Member | $10,084 |
| AFL-CIO | Labor Unions and Similar Labor Organizations | $10,000 |
| COURTYARD BY MARRIOTT 1SU | Hotels & Motels | $9,144 |
| DRURY INNSUITES 70 | Hotels & Motels | $8,838 |
| FRED A EISSLER | ALPA Member | $8,807 |
| BEACON HOTEL AND CORP QUA | Hotels & Motels | $6,821 |
| FRONTIERMEDEX INC | Services-Offices & Clinics of Doctors of Medicine | $6,760 |
| UNITED HEALTHCARE GLOBAL | Services-Offices & Clinics of Doctors of Medicine | $6,760 |
| WEST PAYMENT CENTER | Books, magazines, publications, periodicals, & new | $6,533 |
| ROBERT E TORN | ALPA Member | $6,119 |
| FLIGHT SAFETY FOUNDATION | Professional Organizations | $6,050 |
| INSTITUTES FOR BEHAVIOR RESOURCES | CONSULTANTS | $6,000 |
| SEAN B BOIVIN | ALPA Member | $5,694 |
| SCOTT B SCHWARTZ | ALPA Member | $5,663 |
| EMBASSY STES-CRYSTL CTY69 | Hotels & Motels | $5,469 |
| ROBERT J DOMALESKI JR | ALPA Member | $5,339 |
| POLITICO LLC | Advertising | $5,272 |
| FRENCH CONNECTIONS | Restaurant/Catering | $5,244 |
| CAPITOL HILL CLUB | Services-Membership or ganizations | $5,200 |
| SPIEHLER VINA | CONSULTANTS | $5,138 |
