| Business | Phone |
| Consorta 1475 E Woodfield Rd 400, Schaumburg 60173 | (847) 592-7800 |
| Infosys Inc 1821 Walden Office Sq 350, Schaumburg 60173 | (847) 925-9148 |
| Nsk America Corp 700 Cooper Ct B, Schaumburg 60173 | (847) 843-7664 |
| Herrmann Ultrasonics Inc 620 Estes Ave, Schaumburg 60193 | (847) 985-7344 |
| Tantec Inc 630 Estes Ave, Schaumburg 60193 | (847) 524-5506 |
| Medcom Information Systems 2117 Stonington Ave, Schaumburg 60195 | (847) 885-1553 |
| International Medsurg Cnnctn 935 N Plum Grove Rd F, Schaumburg 60173 | (847) 619-9926 |
| Kokoku Rubber 1450 American Ln 1545, Schaumburg 60173 | (847) 517-6770 |
| Thk America Inc 200 Commerce Dr, Schaumburg 60173 | (847) 310-1111 |
| Home Access Health Corp 2401 Hassell Rd 1510, Schaumburg 60194 | (847) 781-2500 |