| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| Interlock Paving, Inc. | Timonium | MD | US | (410) 682-4942 | interlockpaving.com |
| Isidore Landscapes, Inc. | Richmond | BC | CA | (604) 522-8360 | ilandscapes.ca |
| J & G Landscape Design, Inc. | Spencerville | MD | US | (301) 476-7600 | jglandscape.com |
| J. Ratto Landscaping, Ltd. | Calverton | NY | US | (631) 696-6503 | jrattolandscaping.com |
| Jacob's Yardworks, LLC | Willards | MD | US | (410) 749-0180 | |
| JB Kline Landscaping | Laytonsville | MD | US | (301) 774-6768 | jbklinelandscaping.com |
| JC Allen Designs | San Diego | CA | US | (858) 248-0289 | |
| Jesse's Lawn Maintenance | Kennewick | WA | US | (509) 734-9536 | jesseslawn.com |
| JFK Pavestone, Inc. | Westlake Village | CA | US | (805) 577-9507 | jfkcompany.com |
| Jim Ricks Property Services | Scarborough | ON | CA | (416) 285-9292 | jimricks.ca |
Concrete Masonry and Hardscapes Association