| Business | Phone |
| A-Pi Investigations Inc Harrisburg 17101 | (717) 232-9501 |
| Answers Harrisburg 17111 | (717) 564-3752 |
| Daniel J Benny Prvt Detective 414 Rabuck Dr, Harrisburg 17112 | (717) 540-9236 |
| Dash Investigative Svc 3861 N Sarayo Cir, Harrisburg 17110 | (717) 652-6628 |
| Fugitive Recovery Agency 120 Walnut St, Harrisburg 17101 | (717) 234-4311 |
| Gittings Investigations 217 N 2nd St, Harrisburg 17101 | (717) 236-8200 |
| Joseph N Lamb Private Invstgtn 2018 Mulberry St, Harrisburg 17104 | (717) 221-1008 |
| Keystone Investigations Inc 6059 Allentown Blvd, Harrisburg 17112 | (717) 671-5930 |
| Uba Fire Inc 2373 Forest Hills Dr, Harrisburg 17112 | (717) 564-7820 |
| Security Plus Protection Inc 903 Scenery Dr, Harrisburg 17109 | (717) 571-3790 |
| S R Gochenour & Assoc 2600 N 3rd St # 2, Harrisburg 17110 | (717) 233-0402 |