Based in Downey, California · License-verified biohazard cleanup company
| Company | AD Improvements, Inc. |
|---|---|
| Location | Downey, California |
| Phone | 562-803-6134 |
| License / registration | TSW #618 (CA CDPH Trauma Scene Waste Management Practitioner) |
| Source | Official state registry, retrieved July 2026 |
Biohazard cleanup