Names
- Sac & Fox Nation, Oklahoma7
- Sac and Fox Indians--Oklahoma5
- Sac and Fox Nation44
- Sandler and Innocenzi1
- Sauk Indians2
- Sauk Nation2
- Sautter Communications9
- Sawyer Miller Group3
- Scott Anderson Group2
- Scott Howell and Company Inc.1
- Scott, Howell and Company Inc.45
- Seder and Laguens, Inc.10
- Seder, Laguens and Hamburger1
- Seminole Nation157
- Seminole Nation of Oklahoma153
- Seminole Nation of Oklahoma of Oklahoma1
- Seneca-Cayuga Nation7
- Seneca-Cayuga Tribe of Oklahoma8
- Seneca-Seneca-Cayuga Nation of Oklahoma1
- Severn/Aviles/Associates/Inc.1
