Nonprofits in Oklahoma
42226 organizations · Page 695 of 845
| Organization | City | NTEE | Type |
|---|---|---|---|
| SI ON | CORDELL | Z99 | 501C3 CHARITY |
| SI ON | KANSAS | X21 | 501C3 CHARITY |
| SI ON | WATONGA | X20 | 501C3 CHARITY |
| SIA INCORPORATED | CYRIL | D30 | 501C3 CHARITY |
| SICKLE CELL DISEASE ASSOCIATION OF AMERICA OKLAHOMA CHAPTER INC | TULSA | G20 | 501C3 CHARITY |
| SICKLES FIRE VOLUNTEERS ASSOCIATION | LOOKEBA | M24 | 501CX NONPROFIT |
| SID AND JANE WILLIS FOUNDATION | MADILL | T20 | 501C3 PRIVATE FOUNDATION |
| SIDDIKI MINISTRIES INC | TULSA | X21 | 501C3 CHARITY |
| SIDEXSIDE INC | NORMAN | J20 | 501C3 CHARITY |
| SIEGFRIED FAMILY FOUNDATION | TULSA | T22 | 501C3 PRIVATE FOUNDATION |
| SIGHT SAVING INC | OKLAHOMA CITY | G114 | 501C3 CHARITY |
| SIGHT TO THE BLIND INC | GROVE | Q30 | 501C3 CHARITY |
| SIGHT-HEARING ENCOURAGEMENT PROGRAM | MIDWEST CITY | P80 | 501C3 CHARITY |
| SIGM ALPHA MU FRATERNITY | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA ALPHA EPSILON FRATERNITY | EDMOND | 501CX NONPROFIT | |
| SIGMA ALPHA EPSILON FRATERNITY | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA ALPHA EPSILON FRATERNITY | STILLWATER | B83 | 501CX NONPROFIT |
| SIGMA ALPHA EPSILON FRATERNITY INC TRUSTEES OF OKLAHOMA KAPPA CHAPTER | LAWTON | B83 | 501CX NONPROFIT |
| SIGMA ALPHA MU FRATERNITY | NORMAN | 501CX NONPROFIT | |
| SIGMA ALPHA OMEGA CHRISTIAN SORORITY INC | LAWTON | B83 | 501CX NONPROFIT |
| SIGMA CHI FRATERNITY | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA CHI FRATERNITY | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA CHI FRATERNITY | BARTLESVILLE | B83 | 501CX NONPROFIT |
| SIGMA CHI FRATERNITY | OKLOHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA CHI FRATERNITY DELTA OMEGA CHAPTER | TULSA | B8340 | 501CX NONPROFIT |
| SIGMA GAMMA EPSILON | STILLWATER | B83 | 501CX NONPROFIT |
| SIGMA GAMMA EPSILON | TULSA | B83 | 501CX NONPROFIT |
| SIGMA GAMMA EPSILON | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | OKLAHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | OKLAHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | OKLAHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | MIDWEST CITY | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | TULSA | B83 | 501CX NONPROFIT |
| SIGMA GAMMA RHO SORORITY INC | OKLAHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA GAMMA TAU NATIONAL HONOR SOCIETY IN AEROSPACE ENGINEERING | STILLWATER | B83 | 501CX NONPROFIT |
| SIGMA GAMMA TAU NATIONAL HONOR SOCIETY IN AEROSPACE ENGINEERING | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA KAPPA SORORITY | TULSA | B83 | 501CX NONPROFIT |
| SIGMA KAPPA SORORITY | TULSA | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | NORMAN | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | TULSA | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | EDMOND | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | STILLWATER | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | TULSA | B83 | 501CX NONPROFIT |
| SIGMA NU FRATERNITY | OKLAHOMA CITY | B83 | 501CX NONPROFIT |
| SIGMA OKLAHOMA FOUNDATION INCORPORATED | OKLAHOMA CITY | P20 | 501C3 CHARITY |
| SIGMA PHI ALPHA DENTAL HYGIENE HONOR SOCIETY | TULSA | B83 | 501C3 CHARITY |
| SIGMA PHI ALPHA DENTAL HYGIENE HONOR SOCIETY | MIDWEST CITY | C42 | 501C3 CHARITY |
| SIGMA PHI ALPHA DENTAL HYGIENE HONOR SOCIETY | OKLAHOMA CITY | B83 | 501C3 CHARITY |
| SIGMA PHI EPSILON BETA EDUCATIONAL FOUNDATION | OKLAHOMA CITY | B11 | 501C3 PRIVATE FOUNDATION |