| Business | Phone |
| Earl B Lovell & Sp Belcher 157 Chambers St # 6, New York 10007 | (212) 732-1575 |
| Tri-State Land Examiners 132 Nassau St, New York 10038 | (212) 267-0059 |
| Resolution Graphics 875 3rd Ave # 5, New York 10022 | (212) 303-2399 |
| Shareholder Surveys 55 Leroy St, New York 10014 | (212) 645-2333 |
| Surveys For Litigation 120 5th Ave, New York 10011 | (212) 633-1100 |
| M J Engineering & Land Srvyng 30 Irving Pl, New York 10003 | (212) 353-0302 |
| Manhattan Surveying 225 Broadway # 2912, New York 10007 | (212) 964-0074 |