| Business | Phone |
| National Study Of School 1699 E Woodfield Rd 406, Schaumburg 60173 | (847) 995-9080 |
| Omron Electronics Rfid Group 1920 Thoreau Dr N, Schaumburg 60173 | (847) 925-1260 |
| Practical Environmental 1305 Remington Rd, Schaumburg 60173 | (847) 519-3430 |
| Watterson Environment Inc 650 E Algonquin Rd 401, Schaumburg 60173 | (847) 925-9800 |
| Second Nature Recycling 2170 Colchester Ct, Schaumburg 60192 | (847) 608-7590 |
| National Asthma Foundation Schaumburg 60193 | (847) 352-4616 |
| Phoenix Environmental Group 2155 Stonington Ave, Schaumburg 60194 | (847) 882-4597 |