| Business | Phone |
| A-Plus Masonry Inc 71 Railroad Ave, Ronkonkoma 11779 | (631) 981-2858 |
| N & D Masonry Corp 281 Cenacle Rd, Ronkonkoma 11779 | (631) 585-1515 |
| Ronald G Hull 2 Avalon Ct, Ronkonkoma 11779 | (631) 698-8873 |
| Price It Right Construction Ronkonkoma 11779 | (631) 738-9525 |
| Sosa Masonry 2760 Locust Ave, Ronkonkoma 11779 | (631) 952-5288 |