| Oklahoma State University |
5,131 |
| Greater Tulsa Association of Realtors |
3,290 |
| University of Oklahoma |
1,405 |
| Oklahoma City Community College |
911 |
| Tulsa Community College |
876 |
| Northeastern State University - Oklahoma |
812 |
| Norman Public Schools |
765 |
| Western Oaks Middle School |
732 |
| The Williams Companies, Inc. |
721 |
| Devon Energy Corporation |
633 |
| Express Employment Professionals |
588 |
| Southwestern Oklahoma State University |
517 |
| Southern Nazarene University |
515 |
| Integris Health, Inc. |
469 |
| Oklahoma City University |
458 |
| Chesapeake Energy Corporation |
452 |
| BOK Financial Corporation |
424 |
| ONEOK, Inc. |
411 |
| Moore Public Schools |
398 |
| Oklahoma Career/Tech Education |
369 |
| OGE Energy Corp. |
354 |
| PennWell Corporation |
317 |
| The University of Tulsa |
294 |
| Oklahoma City Public Schools |
293 |
| Adams Elementary School |
293 |
| Horace Mann Elementary School |
282 |
| Oklahoma Department of Emergency Management |
278 |
| Dollar Thrifty Automotive Group, Inc. |
246 |
| TV Guide, Inc. |
243 |
| Oklahoma Publishing |
231 |
| Sonic Corp. |
229 |
| Hilti, Inc. |
226 |
| Oklahoma Legislature |
223 |
| Cherokee Nation |
213 |
| ADA School District |
211 |
| Saint Francis Health System |
207 |
| MidFirst Bank |
207 |
| City of Tulsa |
200 |
| BancFirst Corporation |
198 |
| Oklahoma State Department of Human Services |
198 |
| GUYMON INDEP SCHOOL DISTRICT 8 |
195 |
| Pre-Paid Legal Services, Inc. |
192 |
| SemGroup LP |
189 |
| Thrifty Rent-A-Car System, Inc. |
188 |
| Hillcrest Healthcare System |
185 |
| Redlands Community College |
181 |
| Skiatook Schools |
181 |
| World Publishing Co |
179 |
| National Car Rental |
178 |
| Chickasaw Nation of Oklahoma |
177 |
| McAfee & Taft |
176 |
| The NORDAM GROUP |
173 |
| Grove High School |
172 |
| Oklahoma House of Respresentatives |
171 |
| QuikTrip Corporation |
169 |
| Carl Albert State College |
166 |
| Samson Investment Company |
161 |
| Commerce Oklahoma Department |
157 |
| American Fidelity Assurance Company |
150 |
| Oklahoma City Water Utilities |
146 |
| Hobby Lobby Stores, Inc. |
146 |
| Coldwell Banker Rader Group, Realtors |
145 |
| Duncan Industrial Solutions |
145 |
| Crowe & Dunlevy A Prof Corp |
143 |
| Oklahoma State Department of Education |
135 |
| Lawton Public Schools |
128 |
| Bacone College |
128 |
| Broken Bow Schools |
127 |
| Office State Finance |
125 |
| State of Oklahoma |
122 |
| Advance Food Company, Inc. |
122 |
| The Oklahoman |
121 |
| Seminole State College |
119 |
| Murray State College |
119 |
| University of Science and Arts of Oklahoma |
117 |
| Western Oklahoma State College |
116 |
| Southwestern Power Administration |
116 |
| Blue Cross and Blue Shield of Oklahoma |
115 |
| Vanguard Car Rental USA Inc. |
114 |
| Dollar Rent A Car Systems Incorporated |
114 |
| Collinsville High School |
114 |
| The Charles Machine Works, Inc. |
112 |
| Cameron University |
112 |
| Sequoyah Elementary School |
111 |
| Tulsa Public Schools |
110 |
| Hall, Estill, Hardwick, Gable, Golden & Nelson, A Professional Corporation |
106 |
| T. D. Williamson, Inc. |
104 |
| Choctaw High School |
104 |
| Coreslab Structures (okla) |
102 |
| Baptist General Convention of Oklahoma |
100 |
| Mid-America Christian University |
100 |
| St. John Health System |
99 |
| Fort Gibson Administrative |
97 |
| Mustang Public Schools |
97 |
| The Benham Companies, LLC |
95 |
| ConocoPhillips Company |
95 |
| Anderson School District |
94 |
| University of Central Oklahoma |
93 |
| CBRE |
92 |
| Oklahoma Department of Corrections |
92 |
| Oral Roberts University |
92 |
| Deaconess Health Care Corporation |
91 |
| East Central University |
91 |
| Caddo Kiowa Technology Center |
90 |
| Oklahoma Christian University |
88 |
| Mercy Health System Oklahoma |
82 |
| Piedmont Middle School |
82 |
| Edmond Public Schools |
80 |
| Love's Travel Stops & Country Stores, Inc. |
79 |
| Hilldale Lower Elementary Schl |
79 |
| Lawton Water Treatment Plant |
79 |
| Southwest Bancorp, Inc. |
78 |
| Magellan Midstream Partners, L.P. |
77 |
| Conner & Winters |
74 |
| Ackerman McQueen |
73 |
| Tronox Inc. |
73 |
| Stonebridge Technologies, Inc. |
72 |
| Hennessey Middle School |
72 |
| Comanche County Memorial Hospital |
70 |
| KOTV-TV (CBS 6) |
69 |
| KJRH-TV (NBC 2) |
68 |
| Francis Tuttle Technology Ctr |
67 |
| Flint Industries, Inc. |
67 |
| Groendyke Transport, Inc. |
66 |
| Geary Public Schools |
66 |
| PTCI |
65 |
| Grand River Dam Authority |
65 |
| Idabel High School |
65 |
| Alliance Resource Partners, L.P. |
64 |
| Oklahoma Tank Lines United Petroleum Transports |
64 |
| Oklahoma Department of Transportation |
63 |
| Oklahoma Baptist University |
61 |
| Gable & Gotwals |
60 |
| Maxcess International Corporation / Fife Corporation |
60 |
| KFOR-TV (NBC 4) |
60 |
| KWTV-TV (CBS 9) |
60 |
| Jane Phillips Medical Center |
59 |
| Rogers State College |
59 |
| Williams & Williams Marketing Service, Inc. |
59 |
| Pioneer Telephone Cooperative, Inc. |
58 |
| Chaparral Energy Inc |
58 |
| KTUL-TV (ABC 8) |
58 |
| First United Bank of Durant |
57 |
| Fellers, Snider, Blankenship, Bailey |
57 |
| North American Insurance Agency |
57 |
| Oklahoma Higher Education |
56 |
| Union Public Schools |
55 |
| Samuel Roberts Noble Foundation |
55 |
| Watonga Middle School |
55 |
| Dewey Public Schools |
55 |
| Tulsa Technology Center |
54 |
| east central oklahoma electric |
54 |
| Mangum High School |
54 |
| Carl Albert Community Mental Health Center |
53 |
| American Association of Petroleum Geologists |
53 |
| SandRidge Energy, Inc |
53 |
| Freymiller, Inc. |
52 |
| Oklahoma State Department of Health |
51 |
| First Presbyterian Church Perry |
51 |
| KOKI-TV (FOX 23) |
51 |
| Phillips McFall McCaffrey McVay |
50 |
| Unit Corporation |
50 |
| Cleveland County Workforce Development Board |
50 |
| Oklahoma Supreme Court |
50 |
| XETA Technologies, Inc. |
50 |
| United Mechanical |
49 |
| Langston University |
49 |
| Little Axe High School |
49 |
| Greater Oklahoma City Chamber of Commerce |
48 |
| City of Stillwater |
48 |
| Enid News |
48 |
| Muscogee (Creek) Nation Health System |
48 |
| Boone-Apache Schools |
48 |
| City National Bank |
47 |
| Communitycare Managed Healthcare Plans of Oklahoma |
47 |
| W. H. Braum, Inc. |
46 |
| United States Beef Corporation |
46 |
| Ford Audio-Video Systems Inc |
46 |
| Bank of Commerce |
46 |
| Helmerich & Payne |
45 |
| The Muskogee Phoenix |
45 |
| Ripley Public School |
45 |
| Jackson County Memorial Hospital Trust Authority |
44 |
| NaviCo Inc. |
44 |
| Fairland Jr & Sr High School |
44 |
| OK Education Association |
44 |
| Enercon Services |
44 |
| Eastern Oklahoma State College |
44 |
| AAON, Inc. |
43 |
| The Bama Cos., Inc |
43 |
| Camille's Franchise System, LLC |
43 |
| Caddo Nation |
43 |
| Daily Ardmoreite |
42 |
| Critical Technologies, Inc. |
42 |
| Oklahoma Department of Environmental Quality |
42 |
| Rose State College |
42 |
| Oklahoma Health Care Authority |
42 |
| Blackwell High School |
42 |
| A La Mode |
41 |
| Society of Exploration Geophysicists |
41 |
