| Business | Phone |
| Allstar Medical Waste Svc 5303 Ballman Ave, Baltimore 21225 | (410) 789-8959 |
| American Waste Management 700 Kane St, Baltimore 21224 | (410) 276-7400 |
| Antaeus Group 3051 Washington Blvd, Baltimore 21230 | (443) 524-0225 |
| Stericycle Inc 5800 Chemical Rd, Baltimore 21226 | (410) 354-3688 |