| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| Newtonbrook Block | Gormley | ON | CA | (905) 727-1311 | newtonbrook.com |
| Niagara Block | Niagara Falls | ON | CA | (905) 356-2221 | niagarablock.com |
| Nicolock of New England | North Haven | CT | US | (631) 669-0700 | nicolock.com |
| Nicolock Paving Stones | Sparta | NJ | US | (551) 232-6443 | nicolock.com |
| Nicolock Paving Stones | Lindenhurst | NY | US | (631) 669-0700 | nicolock.com |
| Nicolock Paving Stones | Frederick | MD | US | (631) 669-0700 | nicolock.com |
| Nicolock Paving Stones | North Haven | CT | US | (203) 234-2800 | nicolock.com |
| Nicolock Paving Stones & Retaining Walls | Frederick | MD | US | (631) 669-0700 | |
| Nicolock Paving Stones & Retaining Walls | Collegeville | PA | US | (631) 669-0700 | |
| Nicolock Paving Stones of New Jersey | Sparta | NJ | US | (631) 669-0700 | nicolock.com |
Concrete Masonry & Hardscapes Association