| Oklahoma State University |
4,677 |
| Greater Tulsa Association of Realtors |
3,290 |
| University of Oklahoma |
1,393 |
| Oklahoma City Community College |
1,145 |
| Tulsa Community College |
876 |
| Northeastern State University - Oklahoma |
816 |
| Norman Public Schools |
735 |
| Western Oaks Middle School |
732 |
| The Williams Companies, Inc. |
723 |
| Devon Energy Corporation |
642 |
| Express Employment Professionals |
585 |
| Southwestern Oklahoma State University |
465 |
| Chesapeake Energy Corporation |
464 |
| Oklahoma City University |
459 |
| Integris Health, Inc. |
440 |
| BOK Financial Corporation |
430 |
| ONEOK, Inc. |
416 |
| Moore Public Schools |
411 |
| Southern Nazarene University |
378 |
| Oklahoma Career/Tech Education |
369 |
| OGE Energy Corp. |
360 |
| Horace Mann Elementary School |
287 |
| Adams Elementary School |
286 |
| The University of Tulsa |
279 |
| Oklahoma Department of Emergency Management |
276 |
| Oklahoma City Public Schools |
272 |
| PennWell Corporation |
271 |
| Dollar Thrifty Automotive Group, Inc. |
250 |
| TV Guide, Inc. |
244 |
| Sonic Corp. |
234 |
| Oklahoma Publishing |
233 |
| Hilti, Inc. |
229 |
| Oklahoma Legislature |
223 |
| Cherokee Nation |
216 |
| Saint Francis Health System |
211 |
| ADA School District |
206 |
| MidFirst Bank |
206 |
| City of Tulsa |
202 |
| BancFirst Corporation |
200 |
| Oklahoma State Department of Human Services |
194 |
| Thrifty Rent-A-Car System, Inc. |
189 |
| Pre-Paid Legal Services, Inc. |
187 |
| GUYMON INDEP SCHOOL DISTRICT 8 |
187 |
| SemGroup LP |
183 |
| Skiatook Schools |
181 |
| World Publishing Co |
180 |
| National Car Rental |
179 |
| McAfee & Taft |
176 |
| Grove High School |
174 |
| Oklahoma House of Respresentatives |
171 |
| Chickasaw Nation of Oklahoma |
168 |
| Hillcrest Healthcare System |
167 |
| The NORDAM GROUP |
167 |
| Hobby Lobby Stores, Inc. |
164 |
| QuikTrip Corporation |
163 |
| Commerce Oklahoma Department |
158 |
| Carl Albert State College |
157 |
| Samson Investment Company |
156 |
| Tulsa Public Schools |
154 |
| American Fidelity Assurance Company |
150 |
| Oklahoma City Water Utilities |
149 |
| Duncan Industrial Solutions |
147 |
| Coldwell Banker Rader Group, Realtors |
144 |
| The Oklahoman |
142 |
| Oklahoma State Department of Education |
136 |
| Redlands Community College |
131 |
| Crowe & Dunlevy A Prof Corp |
130 |
| Bacone College |
128 |
| Broken Bow Schools |
127 |
| Office State Finance |
125 |
| Lawton Public Schools |
125 |
| Advance Food Company, Inc. |
123 |
| State of Oklahoma |
122 |
| Dollar Rent A Car Systems Incorporated |
121 |
| Murray State College |
119 |
| Vanguard Car Rental USA Inc. |
117 |
| Southwestern Power Administration |
116 |
| Seminole State College |
115 |
| Blue Cross and Blue Shield of Oklahoma |
115 |
| Cameron University |
114 |
| Collinsville High School |
114 |
| Sequoyah Elementary School |
111 |
| University of Science and Arts of Oklahoma |
109 |
| Mustang Public Schools |
109 |
| Western Oklahoma State College |
108 |
| Choctaw High School |
108 |
| Hall, Estill, Hardwick, Gable, Golden |
106 |
| T. D. Williamson, Inc. |
105 |
| The Charles Machine Works, Inc. |
104 |
| Coreslab Structures (okla) |
103 |
| Baptist General Convention of Oklahoma |
100 |
| University of Central Oklahoma |
100 |
| St. John Health System |
99 |
| Mid-America Christian University |
99 |
| Cancer Treatment Centers of America |
99 |
| The Benham Companies, LLC |
98 |
| ConocoPhillips Company |
96 |
| CBRE |
92 |
| East Central University |
92 |
| Oklahoma Department of Corrections |
92 |
| Fort Gibson Administrative |
92 |
| Deaconess Health Care Corporation |
90 |
| Caddo Kiowa Technology Center |
90 |
| Oklahoma Christian University |
88 |
| Oral Roberts University |
87 |
| Mercy Health System Oklahoma |
83 |
| Anderson School District |
83 |
| Piedmont Middle School |
83 |
| Edmond Public Schools |
80 |
| Love's Travel Stops & Country Stores, Inc. |
80 |
| Lawton Water Treatment Plant |
78 |
| Magellan Midstream Partners, L.P. |
77 |
| Tronox Inc. |
77 |
| Conner & Winters |
75 |
| Hilldale Lower Elementary Schl |
75 |
| KJRH-TV (NBC 2) |
75 |
| Southwest Bancorp, Inc. |
74 |
| Stonebridge Technologies, Inc. |
72 |
| Hennessey Middle School |
72 |
| Comanche County Memorial Hospital |
71 |
| Groendyke Transport, Inc. |
69 |
| Francis Tuttle Technology Ctr |
67 |
| PTCI |
66 |
| Geary Public Schools |
66 |
| Idabel High School |
66 |
| Ackerman McQueen |
65 |
| Grand River Dam Authority |
65 |
| Flint Industries, Inc. |
65 |
| Alliance Resource Partners, L.P. |
64 |
| Oklahoma Department of Transportation |
64 |
| Oklahoma Tank Lines United Petroleum Transports |
64 |
| Union Public Schools |
63 |
| Oklahoma Baptist University |
63 |
| Rogers State College |
62 |
| Gable & Gotwals |
60 |
| Maxcess International Corporation / Fife Corporation |
60 |
| Jane Phillips Medical Center |
59 |
| Chaparral Energy Inc |
58 |
| KTUL-TV (ABC 8) |
58 |
| KFOR-TV (NBC 4) |
58 |
| Pioneer Telephone Cooperative, Inc. |
57 |
| Fellers, Snider, Blankenship, Bailey |
57 |
| North American Insurance Agency |
57 |
| Oklahoma Higher Education |
56 |
| Samuel Roberts Noble Foundation |
56 |
| Watonga Middle School |
55 |
| American Association of Petroleum Geologists |
54 |
| First United Bank of Durant |
54 |
| Williams & Williams Marketing Service, Inc. |
54 |
| SandRidge Energy, Inc |
54 |
| Tulsa Technology Center |
54 |
| east central oklahoma electric |
54 |
| Dewey Public Schools |
54 |
| Carl Albert Community Mental Health Center |
53 |
| First Presbyterian Church Perry |
53 |
| Freymiller, Inc. |
52 |
| Phillips McFall McCaffrey McVay |
50 |
| Unit Corporation |
50 |
| United Mechanical |
50 |
| KOKI-TV (FOX 23) |
50 |
| Greater Oklahoma City Chamber of Commerce |
49 |
| City National Bank |
49 |
| Oklahoma Supreme Court |
49 |
| Little Axe High School |
49 |
| Enid News |
48 |
| Boone-Apache Schools |
48 |
| Oklahoma State Department of Health |
47 |
| Communitycare Managed Healthcare Plans of Oklahoma |
47 |
| Ford Audio-Video Systems Inc |
47 |
| Mangum High School |
47 |
| Helmerich & Payne |
46 |
| Cleveland County Workforce Development Board |
45 |
| Langston University |
45 |
| United States Beef Corporation |
45 |
| Enercon Services |
45 |
| City of Stillwater |
45 |
| The Muskogee Phoenix |
45 |
| Fairland Jr & Sr High School |
44 |
| Critical Technologies, Inc. |
44 |
| AAON, Inc. |
44 |
| OK Education Association |
44 |
| XETA Technologies, Inc. |
44 |
| Ripley Public School |
44 |
| Jackson County Memorial Hospital Trust Authority |
43 |
| Camille's Franchise System, LLC |
43 |
| Dayco Products LLC |
43 |
| Blackwell High School |
43 |
| Caddo Nation |
43 |
| Northwestern Oklahoma State University |
42 |
| Matrix Service Company |
42 |
| Axiom Automotive Tech |
42 |
| Country Lane Elementary School |
42 |
| The Bama Cos., Inc |
42 |
| Oklahoma Department of Environmental Quality |
42 |
| Integrated Service Company LLC |
42 |
| Oklahoma Health Care Authority |
42 |
| C H Guernsey and Company |
41 |
| Home National Bank |
41 |
| City of Nichols Hills |
41 |
| Commerce Middle School |
41 |