| Business | Phone |
| Auth Data Systems 1 Monarch Pl # 2001, Springfield 1144 | (413) 737-0605 |
| C2c Systems 1 Federal St # 101-R, Springfield 1105 | (413) 739-8575 |
| Eisner Information Solutions 1242 Main St # 301, Springfield 1103 | (413) 827-9600 |
| Prologic Inc 425 Union St, Springfield 1105 | (413) 746-0670 |
| Workflow Solutions 47 Elwood Dr, Springfield 1108 | (413) 732-7321 |