| Business | Phone |
| C & C Market Research Inc 2300 E Lincoln Hwy, Langhorne 19047 | (215) 752-3038 |
| Data Based Insights Inc 2300 E Lincoln Hwy, Langhorne 19047 | (215) 702-8301 |
| Futures 409 Executive Dr, Langhorne 19047 | (215) 860-8080 |
| Metro Survey Svc Inc 1041 Bustleton Pike, Langhorne 19053 | (215) 322-7757 |