| Business | Phone |
| Costanza & Assoc 127 Egerton Rd, Langhorne 19047 | (215) 752-5115 |
| Digital Data Systems Inc 1539 Carlene Ct, Langhorne 19047 | (215) 860-5283 |
| Dynamic Performance Inc 355 Bridgetown Pike, Langhorne 19053 | (215) 396-9390 |
| Tim White 66 Oakwynne Ter, Langhorne 19047 | (215) 750-3565 |
| Information Research Dev Systs 1603 Carlene Ct, Langhorne 19047 | (215) 860-9007 |
| Integrated Data Solutions Inc 3000 Cabot Blvd W # 3001, Langhorne 19047 | (215) 750-7600 |
| Jobecca Technology Group Llc 970 Durham Rd, Langhorne 19047 | (215) 891-9501 |