| Business | Phone |
| All Aspects Landscaping Columbia 21044 | (410) 730-1958 |
| Appalachian Tree Co Columbia 21044 | (410) 992-9675 |
| Brickman Group 10451 Twin Rivers Rd # 202, Columbia 21044 | (410) 992-0901 |
| Brickman Group 9001 Snowden River Pkwy, Columbia 21046 | (410) 312-1510 |
| D L & Ls Inc 5229 Even Star Pl, Columbia 21044 | (410) 730-3367 |
| Earth Concepts 10550 Jason Ln, Columbia 21044 | (410) 730-3672 |
| Environmental Mntnc 9150 Rumsey Rd # A7, Columbia 21045 | (410) 715-3555 |
| Green Acres Turf Management Columbia 21046 | (410) 290-8647 |
| Green Angels 10457 Waterfowl Ter, Columbia 21044 | (301) 596-1947 |
| Guilford Gardens 7299 Oakland Mills Rd, Columbia 21046 | (410) 290-8179 |
| Guilford Gardens 7331 Oakland Mills Rd, Columbia 21046 | (410) 290-9412 |
| Ldr International 9175 Guilford Rd # 100, Columbia 21046 | (301) 498-8500 |
| Lightning Property Svc Llc 9371 Torrent Row, Columbia 21045 | (410) 997-3358 |