| Business | Phone |
| Advisor Enterprises 390 Manor Rd, Staten Island 10314 | (718) 556-7772 |
| Agelire Investigations 495 Jewett Ave, Staten Island 10302 | (718) 876-0499 |
| Attorney's Aide Investigation 138 William Ave, Staten Island 10308 | (718) 317-0100 |
| Bishops Services Inc 11 Thayer Pl, Staten Island 10306 | (718) 980-9731 |
| Carmine Bianco Investigations 86 Annadale Rd, Staten Island 10312 | (718) 984-5343 |
| Citywide Investigations Inc 390 Manor Rd, Staten Island 10314 | (718) 981-1443 |
| Confidential Research 6735 Amboy Rd, Staten Island 10309 | (718) 966-8196 |
| Defense Unlimited Inc 90 Fillmore St, Staten Island 10301 | (718) 442-4800 |
| East Coast Detectives Ltd 37 New Dorp Plz, Staten Island 10306 | (718) 668-1250 |
| Eastern Investigational Svc 39 Cannon Blvd, Staten Island 10306 | (718) 351-0700 |
| Equitable Claims & Svc Bureau 68 Cortelyou Ave, Staten Island 10312 | (718) 356-9100 |
| Fci Intl Investigations 263 Wood Ave, Staten Island 10307 | (718) 966-1616 |
| General Claims Investigation 245 N Gannon Ave, Staten Island 10314 | (718) 983-6565 |
| Grp Security Svc Inc 96 Valdemar Ave, Staten Island 10309 | (718) 227-2513 |
| International Case Examiners 506 Richmond Ter # 4, Staten Island 10301 | (718) 442-7180 |
| Investigate Resources Inc 387 Tennyson Dr, Staten Island 10312 | (212) 571-2500 |
| James W Pryor & Assoc Inc 79 Whitewood Ave, Staten Island 10310 | (718) 442-1361 |
| Joseph Maida Private Invstgtns 21 Boynton St, Staten Island 10309 | (718) 984-2583 |
| Krystal Investigation & Scrty 100 Buffalo St, Staten Island 10306 | (718) 667-7629 |
| Marin Investigative Svc 37 Pitney Ave, Staten Island 10309 | (718) 608-1455 |
| Pinpoint Investigations 88 New Dorp Plz # 108a, Staten Island 10306 | (718) 987-7711 |
| Ray Wood Investigations Inc 54 Yucca Dr, Staten Island 10312 | (718) 967-8273 |
| Rcm Investigations 118 Gladwin St, Staten Island 10309 | (718) 948-2133 |
| Security One Investigation 4491 Amboy Rd, Staten Island 10312 | (718) 317-9100 |
| Sleuth Investigation Univ 200 Industrial Loop, Staten Island 10309 | (718) 966-0148 |
| Special Investigative Svc 255 Pelton Ave, Staten Island 10310 | (718) 448-4378 |
| Special Investigative Svc 6 Walden Ave, Staten Island 10306 | (718) 351-3564 |
| World Wide Probe Inc 10 Bancroft Ave, Staten Island 10306 | (718) 980-7045 |
| Worldwide Investigations Inc 159 New Dorp Plz, Staten Island 10306 | (718) 351-6032 |