| Lab Volt Systems |
| Lake, John |
| Lakeshore Learning Materials |
| Land O' Lakes |
| Land's End Business Outfitters |
| Lane, Barry |
| Lane, Peggy |
| Larroca, Janet |
| Laserquest |
| Law Advisory Group |
| Laying The Foundation, Inc |
| LBG Enterprises |
| LeapFrog School House |
| Learning Disabilities Association of Texas |
| Learning Links Inc |
| Learning Seed |
| Learning Tools |
| Leavell Consulting |
| Ledbetter, III, B.S., D.C., Dr. William H |
| LEE WAYNE CORP |
| Lee's School Supplies |
| LEGO Education |
| Lencel Corporation |
| LenSec, LLC |
| Levine, Dr. Daniel |
| Levy, Brian |
| Lewis, Jerry R |
| Liberty Flag & Specialty Co |
| Library Video Company |
| Linden Publishing, Inc |
| Linguisystems, Inc |
| Lintor Publishing |
| Litho Supply & Service Company, Inc |
| Little, Thomas C |
| Littwitz Investments, Inc |
| Living Voices |