| Company | Category | Area | Address | Web | E-mail | Contact person |
| SIGMA GAMMA RHO SORORITY | Membership-basis Lodging | Oklahoma | 8605 NW 92ND ST, OKLAHOMA CITY, Oklahoma, Oklahoma, 73132-1017, USA |
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Matzi Butler |
| SIGMA KAPPA SORORITY | Fraternities & Sororities | Oklahoma | 920 CHOWNING AVE, EDMOND, Oklahoma, Oklahoma, 73034-5047, USA |
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Kim Smith |
| SIGMA MOTORS | Whol Used Auto Parts | Oklahoma | 12132 WINDMILL CT, OKLAHOMA CITY, Oklahoma, Oklahoma, 73162-1135, USA |
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Matt Lucas |
| SIGMA NU FRATERNITY | Fraternal Organizations | Oklahoma | 1300 COLLEGE AVE, NORMAN, Cleveland, Oklahoma, 73072-6429, USA |
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Sergio Andre |
| SIGMA NU FRATERNITY | Fraternities & Sororities | Oklahoma | 913 W UNIVERSITY AVE, STILLWATER, Payne, Oklahoma, 74074-3345, USA |
www.osusigmanu.org |
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Zack Winsett |
| SIGMA NU FRATERNITY | Membership-basis Lodging | Oklahoma | 301 E EDWARDS ST, EDMOND, Oklahoma, Oklahoma, 73034-4515, USA |
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Carl Reedy |
| SIGMA PHI EPISLON | Fraternities & Sororities | Oklahoma | 1121 W 4TH AVE, STILLWATER, Payne, Oklahoma, 74074-3146, USA |
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Devin Hinds |
| SIGMA PHI EPSILON | Fraternities & Sororities | Oklahoma | 701 COLLEGE AVE, NORMAN, Cleveland, Oklahoma, 73069-4616, USA |
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| SIGMA PHI SIGMA | Civic/social Association | Oklahoma | PO BOX 716, TUTTLE, Grady, Oklahoma, 73089-0716, USA |
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April Nuckolls |
| SIGMA SIGMA SIGMA | Fraternities & Sororities | Oklahoma | 1223 N 4TH AVE, DURANT, Bryan, Oklahoma, 74701-3309, USA |
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