| Business | Phone |
| American Cancer Society 112 Sipe Ave, Hummelstown 17036 | (717) 533-1006 |
| Cancer Society 112 Sipe Ave, Hummelstown 17036 | (717) 533-1624 |
| Eastern Water Quality Assn 7 Long Lane Dr, Hummelstown 17036 | (717) 566-2135 |
| Pennsylvania Association 8501 Paxton St, Hummelstown 17036 | (717) 482-4820 |