| Full Name | Company | City | State / Province | Phone |
|---|---|---|---|---|
| Lee Krinzman | Concrete Masonry & Hardscapes Association | (703) 300-3890 | ||
| Christo Kruger | SmartStone (Pty) Ltd | Midrand | Gauteng | +27 10 442 0377 |
| Brad Kurtz | Western Turf & Hardscapes | Reno | NV | (775) 356-8873 |
| Jay LaCharite | Interpave Precast Systems, Ltd. | Surrey | (604) 970-1952 | |
| Michael LaMonica | Syrstone Incorporated | Rising Sun | MD | (410) 658-7070 |
| John Land | Land Designs LLC | Mechanicsville | VA | (804) 244-6226 |
| Cole Langdon | Boynton Beach | FL | (606) 492-5545 | |
| Roger Laro III | R3 Masonry | Westbrook | ME | (207) 219-0302 |
| Javier LaRosa | Coastal an Oldcastle Company | Tampa | FL | (813) 932-2212 |
| Marc Larsen | Romex North America | American Fork | UT | (801) 420-5725 |