| Lawrence Livermore National Laboratory | Livermore, California, United States |
| Lazworld.com Inc. | Belmar, New Jersey, United States |
| LCS Constructors, Inc. | Irvine, California, United States |
| Leaf Clean Energy Company | Baton Rouge, Louisiana, United States |
| Lee & Sterba PC | Alexandria, Virginia, United States |
| Lehigh University - Integrated Microchemical Systems Lab | Bethlehem, Pennsylvania, United States |
| Lehigh University Center for Advanced Materials and Nanotechnology | Bethlehem, Pennsylvania, United States |
| LehmanMillet | Boston, Massachusetts, United States |
| Leica Microsystems Inc. | Bannockburn, Illinois, United States |
| LEISTER Process Technologies - Microsystems Division | Sarnen, Switzerland |
