| Oklahoma State University |
5,040 |
| University of Oklahoma |
4,266 |
| Oklahoma City Community College |
2,320 |
| Chesapeake Energy Corporation |
1,077 |
| Northeastern State University - Oklahoma |
1,048 |
| Saint Francis Health System |
967 |
| Tulsa Community College |
813 |
| Devon Energy Corp |
775 |
| ONEOK, Inc. |
763 |
| OGE Energy Corp. |
719 |
| Dollar Thrifty Automotive Group, Inc. |
714 |
| Sonic Corporation |
710 |
| BOK Financial Corporation |
649 |
| Southwestern Oklahoma State University |
639 |
| Hobby Lobby Stores, Inc. |
638 |
| Williams Companies, Inc. |
632 |
| Deaconess Health Care Corporation |
602 |
| State of Oklahoma |
571 |
| Tinker AFB |
553 |
| Express Employment Professionals |
536 |
| The University of Tulsa |
525 |
| St. John Health System |
525 |
| Chickasaw Nation Industries |
502 |
| Cherokee Nation |
489 |
| Hilti Inc |
464 |
| LegalShield(SM) |
461 |
| East Central University |
452 |
| Yukon Public Schools |
440 |
| Oklahoma Christian University |
436 |
| Owasso Public Schools |
404 |
| Oklahoma City University |
391 |
| Oral Roberts University |
389 |
| T. D. Williamson, Inc. |
388 |
| PennWell Corporation |
383 |
| Southern Nazarene University |
331 |
| Thrifty Rent-A-Car System, Incorporated |
324 |
| Southeastern Oklahoma State University |
318 |
| BancFirst Corporation |
308 |
| Tulsa Public Schools |
306 |
| Comanche County Memorial Hospital |
304 |
| Rogers State University |
298 |
| MidFirst Bank |
295 |
| The Nordam Group |
288 |
| American Fidelity Assurance Company |
277 |
| Oklahoma State Department of Education -SES |
273 |
| Union Public Schools |
270 |
| Cameron University |
266 |
| Coldwell Banker Tulsa Real Estate |
265 |
| Northwestern Oklahoma State University |
256 |
| University of Central Oklahoma |
249 |
| Magellan Midstream Partners, L.P. |
225 |
| Hillcrest Healthcare System |
223 |
| Oklahoma City Public Schools |
222 |
| McAfee & Taft P.C. |
207 |
| Integris Health, Inc. |
202 |
| Oklahoma State Department of Human Services |
201 |
| Amity Care LLC |
199 |
| Oklahoma Farm Bureau Mutual Ins Co |
195 |
| City of Tulsa |
194 |
| Norman Regional Health System |
192 |
| City of Enid, OK |
190 |
| SandRidge Energy, Inc |
187 |
| Samson Investment Company |
184 |
| Warren Clinic |
184 |
| OU Medical Center |
182 |
| City of Oklahoma City |
182 |
| Oklahoma Legislature |
181 |
| NewsOK.com Div. Oklahoman |
170 |
| Oklahoma Department of Transportation |
169 |
| Connors State College |
169 |
| Northern Oklahoma College |
167 |
| Tulsa Technology Center |
162 |
| Ou Medicine |
161 |
| Jane Phillips Medical Center |
158 |
| Oklahoma Heart Hospital |
158 |
| Oklahoma Career/Tech Education |
158 |
| Langston University |
157 |
| Indian Capital Technology Center |
156 |
| Oklahoma Department of Corrections |
156 |
| Duncan Industrial Solutions |
154 |
| Love's Travel Stops & Country Stores, Inc. |
152 |
| QuikTrip Corporation |
150 |
| Southwestern Power Administration |
146 |
| Saint Gregory's University |
140 |
| Petra Industries, Inc. |
139 |
| Helmerich & Payne |
135 |
| Ditchwitch, Inc. |
132 |
| Northeast Technology Center |
130 |
| Tate Publishing & Enterprises, LLC. |
130 |
| The Oklahoman |
129 |
| Oklahoma Museum Of History |
129 |
| Hall, Estill, Hardwick, Gable, Golden |
127 |
| Watonga School District 42 |
126 |
| Choctaw Nation of Oklahoma |
125 |
| John Zink div Koch Industries |
124 |
| Crowe & Dunlevy A Prof Corp |
123 |
| First United Bank of Durant |
122 |
| Oklahoma Democratic Headquarters |
121 |
| Caddo Kiowa Technology Center |
120 |
| Oklahoma State Department of Education |
117 |
| Chaparral Energy Inc |
117 |
| Manhattan Construction Co |
116 |
| Blue Cross Blue Shield of Oklahoma |
116 |
| Paycom |
115 |
| AAON, Inc. |
113 |
| Oklahoma Cardiovascular Associates Pc |
111 |
| Putnam City Schools |
111 |
| Oklahoma State Department of Health |
110 |
| Mid-Del Schools |
109 |
| Western Oklahoma State College |
109 |
| Tronox Inc. |
107 |
| Lawton Public Schools |
105 |
| McAlester Regional Health Center |
105 |
| Oklahoma Baptist University |
105 |
| Moore Norman Technology Center |
105 |
| Moore Public Schools |
104 |
| Explorer Pipeline Company |
104 |
| Oklahoma Supreme Court |
104 |
| Francis Tuttle Technology Center |
103 |
| Matrix Service Company |
101 |
| Greater Oklahoma City Chamber of Commerce |
101 |
| Gordon Cooper Technology Center |
100 |
| Edmond Public Schools |
99 |
| Hilldale Lower Elementary Schl |
99 |
| Laureate Psychiatric Clinic & Hospital |
98 |
| The Bama Companies., Inc |
96 |
| Carl Albert State College |
96 |
| Southwest Bancorp, Inc. |
95 |
| Continental Resources, Inc. |
95 |
| Oklahoma Health Care Authority |
95 |
| Hillcrest Hospital South |
94 |
| World Publishing Co |
94 |
| XETA Technologies, Inc. |
94 |
| Ford Audio-Video Systems LLC |
94 |
| Vinita Public Schools |
94 |
| Verdigris School District |
94 |
| Mid-America Christian University |
93 |
| Groendyke Transport, Inc. |
93 |
| Oklahoma Medical Research Foundation |
92 |
| Utica Park Clinic |
91 |
| Chinowth & Cohen Realtors |
88 |
| Riviera Realty |
87 |
| Saint Anthony Hospital |
87 |
| Valliant School District |
86 |
| Conner & Winters |
86 |
| Stillwater Medical Center |
86 |
| Agriculture Department-Oklahoma State |
86 |
| Baptist General Convention of Oklahoma |
85 |
| Integrated Service Company LLC |
85 |
| Navico Inc. |
83 |
| City of Lawton, OK |
83 |
| Grand River Dam Authority |
83 |
| Southwestern Christian University |
82 |
| Enovation Controls, LLC |
82 |
| American Precious Metals Exchange |
82 |
| Valley View Regional Hospital |
80 |
| Williams & Williams Auctioneers, Inc. |
78 |
| Seminole State College |
77 |
| Flintco, LLC |
77 |
| KJRH-TV (NBC 2) |
77 |
| Stroud Independent School District High School |
76 |
| CompSource Oklahoma State |
76 |
| Vian School District |
76 |
| Greenleaf Nursery Co |
76 |
| City National Bank |
75 |
| Reasor's Inc. |
75 |
| Unit Corporation |
74 |
| Meridian Technology Center |
74 |
| Muskogee Public Schools |
74 |
| Mid-America Technology Center |
72 |
| Tishomingo District |
72 |
| Gable & Gotwals |
72 |
| Mid-Del Schools |
72 |
| Duncan Regional Hospital |
71 |
| Wagoner School District I-19 |
71 |
| Francis Tuttle Technology Center |
70 |
| Alliance Resource Partners, L.P. |
70 |
| City of Owasso |
69 |
| Williams Communications Group |
68 |
| Mardel Christian & Educational |
68 |
| Samuel Roberts Noble Foundation |
68 |
| Freymiller, Inc. |
67 |
| ameagletitle |
66 |
| Phillips McFall McCaffrey McVay |
66 |
| Johnson Industries |
66 |
| St. Mary's Regional Medical Center |
66 |
| Skiatook Schools |
65 |
| Murray State College |
65 |
| Jackson County Memorial Hospital Trust Authority |
65 |
| ORS Nasco |
65 |
| Bacone College |
65 |
| First Fidelity Bank, N.A. |
64 |
| Coppermark Bank |
64 |
| Great Plains |
64 |
| Durant Independent School District |
64 |
| Berendsen Fluid Power |
64 |
| Autry Tech |
64 |
| Citizen Potawatomi Nation |
63 |
| Choctaw Casino |
63 |
| Woodward Regional Hospital Foundation |
63 |