| OKLAHOMA METHODIST MANOR INC | $21,497,587 | $21,531,905 |
| GOODWILL INDUSTRIES OF TULSA INC | $22,835,109 | $20,692,482 |
| INDIAN HEALTH CARE RESOURCE CENTER INC | $22,315,176 | $20,652,677 |
| ST JOHN BUILDING CORPORATION | $17,086,398 | $20,197,220 |
| TULSA EDUCARE INC | $24,678,424 | $19,004,485 |
| WARREN PROFESSIONAL BUILDING CORPORATION | $18,434,190 | $18,725,267 |
| CENTRAL STATE COMMUNITY SERVICES OKLAHOMA INC | $16,885,473 | $15,900,888 |
| AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS | $17,071,589 | $15,599,495 |
| PARKSIDE INC | $17,631,984 | $15,475,842 |
| LETA MCFARLIN CHAPMAN MEMORIAL TR 486003AC0 | $18,821,630 | $15,472,697 |
| TULSA JEWISH COMMUNITY RETIREMENT AND HEALTH CARE CENTER INC | $15,029,106 | $15,313,251 |
| SOCIETY OF EXPLORATION GEOPHYSICISTS | $15,740,796 | $15,229,984 |
| MORTON COMPREHENSIVE HEALTH SERVICES INC | $15,156,025 | $14,978,330 |
| ST SIMEONS EPISCOPAL HOME INC | $13,245,323 | $14,104,728 |
| YOUNG MENS CHRISTIAN ASSOCIATION OF GREATER TULSA | $20,271,975 | $14,038,234 |
| F AND CS MENTAL HEALTH CARE INC | $14,410,789 | $13,822,203 |
| TULSA REGIONAL CHAMBER | $9,304,703 | $13,383,962 |
| RIVER PARKS AUTHORITY | $53,231,870 | $13,001,887 |
| COUNSELING AND RECOVERY SERVICES OF OKLAHOMA INC | $13,463,280 | $12,928,723 |
| LIFE PACE INC | $13,167,920 | $12,686,743 |
| SOUTHERN HILLS COUNTRY CLUB | $12,731,217 | $12,295,589 |
| TULSA ZOO MANAGEMENT INC | $14,504,258 | $12,265,434 |
| 12 AND 12 INC | $11,833,115 | $11,747,197 |
| PIPELINERS LOCAL UNION 798 | $12,796,990 | $11,519,118 |
| MENTAL HEALTH ASSOCIATION IN TULSA INC | $13,446,226 | $11,066,540 |