| 24-7 Brightstar Health Care | Map It! | | Wheaton , IL 60187 | (630) 260-5302 |
| Public Health and Safety, Data Communications Service and Repair | |
| 24-7 Brightstar Health Care | Map It! | 402 East Roosevelt Road | Wheaton , IL 60187 | (630) 260-5300 |
| Public Health and Safety, Data Communications Service and Repair | |
| 29 West Inc | Map It! | 29W110 Butterfield Road # 306 | Warrenville , IL 60555 | (630) 836-2990 |
| Shoe Stores, Data Communications Service and Repair | |
| A North Suburban Naprapathic Health Care | Map It! | 405 Lake Cook Road | Deerfield , IL 60015 | (847) 480-7246 |
| Public Health and Safety, Data Communications Service and Repair | |
| A S and K Mercury Health Care Communications | Map It! | 233 South Wacker Drive | Chicago , IL 60606 | (312) 993-1511 |
| Public Health and Safety, Data Communications Service and Repair | |
| A T&T Illinois Voice | Map It! | | Minooka , IL 60447 | (800) 244-4444 |
| Long Distance Phone Services, Local Phone Services, Data Communications Equipment and Systems | |
| Able Home Health LLC | Map It! | 1946 Daimler Road | Rockford , IL 61112 | (815) 399-2600 |
| Home Health Care, Nurses, Home Health Care Nurses, Public Health and Safety, Data Communications Service and Repair | |
| Abortion Assistance Division of National Health Care Services | Map It! | 7501 North University Street | Peoria , IL 61614 | (309) 691-9073 |
| Public Health and Safety, Data Communications Service and Repair | |
| Accent Health Care | Map It! | 522 W Orange Street | Hoopeston , IL 60942 | (217) 283-4090 |
| Oxygen Equipment Rental, Respiratory Therapy Equipment and Supplies, Oxygen Equipment and Supplies, Public Health and Safety, Data Communications Service and Repair | |
| Advance Communication | Map It! | 2900 Dekalb Avenue | Sycamore , IL 60178 | (815) 756-7900 |
| Wireless Communications, Wireless Data Services, Cell Phone Services, Cell Phone Equipment and Supplies, Cell Phone Dealers | |
| Advanced Home Health Care Provider Corporation | Map It! | 600 Spring Hill Ring Road | Dundee , IL 60118 | (847) 551-9801 |
| Home Health Care, Home Health Care Nurses, Health Care Providers, Public Health and Safety, Data Communications Service and Repair | |
| Advanced Professional Health Care | Map It! | 6425 N Hamlin Avenue | Lincolnwood , IL 60712 | (847) 763-0205 |
| Medical Services, Clinics and Medical Centers, Public Health and Safety, Data Communications Service and Repair | |
| Adventist Health Care at Home | Map It! | | Hinsdale , IL 60521 | (630) 856-6900 |
| Public Health and Safety, Data Communications Service and Repair | |
| Advocat Health Care | Map It! | 525 Congress Parkway | Crystal Lake , IL 60014 | (815) 455-5133 |
| Public Health and Safety, Data Communications Service and Repair | |
| Advocate Health Care | Map It! | 2400 North Sheffield Avenue | Chicago , IL 60614 | (773) 880-9197 |
| Public Health and Safety, Data Communications Service and Repair | |
| Advocate Health Care | Map It! | 4901 West 79th Street Floor 2 | Burbank , IL 60459 | (708) 499-1546 |
| Public Health and Safety, Data Communications Service and Repair | |
| Advocate Health Care Palos HTS | Map It! | 2545 South King Drive | Chicago , IL 60616 | (708) 425-9000 |
| Clinics and Medical Centers, Public Health and Safety, Data Communications Service and Repair | |
| Advocate Home Health Care | Map It! | 4725 North Western Avenue | Chicago , IL 60625 | (773) 549-4663 |
| Home Health Care, Home Health Care Nurses, Public Health and Safety, Data Communications Service and Repair | |
| Advocate Home Health Care Advocate Physician Referral | Map It! | | Chicago , IL 60601 | (800) 323-8622 |
| Physicians and Surgeons, Home Health Care, Home Health Care Nurses, Public Health and Safety, Data Communications Service and Repair | |
| Aerial Communications | Map It! | 8410 W Bryn Mawr Avenue # 1100 | Chicago , IL 60631 | (773) 399-4200 |
| Data Processing Services, Communications Services | |
| AGS Communications | Map It! | 148 Walnut Street | Hinckley , IL 60520 | (815) 286-7878 |
| Phone Equipment and Systems Dealers, Phone Equipment and Systems Service and Repair, Phone Equipment and Systems Parts and Supplies | |
| Allegiance Health Care Telecomm | Map It! | 200 Ridge Avenue | Evanston , IL 60202 | (847) 866-7719 |
| Data Communications Equipment and Systems, Phone Communications Services Residential | |
| Allied Tele-Com | Map It! | 5465 Grand Avenue 100 | Gurnee , IL 60031 | (847) 249-2027 |
| Telecommunications Services, Data Communications Equipment and Systems, Phone Equipment and Systems Dealers | email |
| Alpha Home Health Care | Map It! | 930 North York Road | Hinsdale , IL 60521 | (630) 323-0906 |
| Home Health Care, Home Health Care Nurses, Public Health and Safety, Data Communications Service and Repair | |
| Americall Communications Company Inc | Map It! | 447 North Walnut Street | Springfield , IL 62702 | (309) 688-5200 |
| Phone Equipment and Systems Dealers, Phone Equipment and Systems Service and Repair | |
