| Alchemy Creative, Inc. | 516 |
| ALEKS | 325 |
| AWE | 521 |
| Book & Brain Learning, Inc. | 749 |
| Brainworks | 122 |
| Cam and Connie/JT Ranch Dry Goods | 823 |
| Camp Invention | 417 |
| Center for Talent Development (CTD) at Northwestern University, Evanston, Illinois | 120 |
| Cytek Media Systems, Inc. | 323 |
| Destination Imagination | 500 |
| Dinah-Might Adventures, LP | 510 |
| Duke University Talent Identification Program | 416 |
| Earth Foundation | 110 |
| ECS Learning Systems/Novel Units | 414 |
| Educators Publishing Service | 522 |
| Empowering Writers | 505 |
| Engine-Uity, Ltd. | 406 |
| First in Math | 619 |
| Frog Publications | 514 |
| Gifted Students Institute/Southern Methodist University | 216 |
| Great Potential Press, Inc. | 214 |
| Handlebar Press | 615 |
| Hands-On Equations®/Borenson and Associates, Inc. | 108 |
| Heath Scientific | 707 |
| J Taylor Education | 324 |
| J'nets Venetian Glass | 826 |
| Juice Booth | 816 |
| KAMICO Instructional Media, Inc. | 318 |
| Kendall/Hunt Publishing Co. | 208 |
| Kiwi Kids Education | 308 |
| Knowsys Test Prep LLC | 226 |
| Knowsys Test Prep LLC | 226 |
| Lakeshore Learning Materials | 518 |
| Laying the Foundation, Inc. | 526 |
| LEGO Education | 718 |
| Macmillan/McGraw-Hill/Glencoe | 506, 508 |
| Mark Enterprises, Inc. | 822 |
| MATHCOUNTS | 309 |
| Mentoring Minds, L.P. | 218 |
| MindWare | 326 |
| Mondo Publishing | 424 |
| Muggins Math | 209 |
| Nathan Levy Associates Inc | 206 |
| Odyssey of the Mind - Texas | 623 |
| Pearson | 225 |
| Peoples Education | 320 |
| Pieces of Learning | 305 |
| Professional Associates Publishing | 314 |
| Prufrock Press Inc. | 405 |
| Riverside Publishing | 223 |
| Rockport Products - The Puzzle Corner | 317 |
| Royal Fireworks Publishing | 500 |
| Sanron - Teach Me Writing | 426 |
| Scholar Search Associates | 616 |
| SCHOLASTIC TESTING SERVICE, INC. | 519 |
| Science Cut Ups by Supporting Science, Inc. | 716 |
| SECRET STORIES- Cracking the Reading Code with the BRAIN-IN-MIND!/ Marenem, Inc. | 608 |
| Set Enterprises | 418 |
| SHAKESPEARE MAN | 615 |
| State Bar of Texas/Law-Related Education | 419 |
| Summer Institute for the Gifted | 422 |
| T E P (Texas Educational Paperbacks) | 525 |
| Teacher Treasures LLC | 726 |
| Teaching Systems, Inc. | 423 |
| Texas Connection | 605 |
| Texas Future Problem Solving Program | 622 |
| Texas IB Schools | 617 |
| Texas Project Learning Tree | 713 |
| Texas Tech IDEAL | 319 |
| The Bag Ladies Inc | 310 |
| The Bright Ideas Catalog/A.W. Peller and Associates, Inc./Educational Impressions | 501 |
| The Curriculum Project | 517 |
| The Davidson Institute for Talent Development | 207 |
| The Great Books Foundation | 210 |
| The Word Junction | 613 |
| Thinking Maps, Inc. | 118 |
| Tin Man Press | 410 |
| University of North Texas | 618 |
| University of Texas at Arlington Honors College | 420 |
| Usborne Books at Home | 126 |
| Wordigo - RiverEdge Game Co. | 625 |
| Ymir Inc | 509 |
| Zanca | 106 |
