# MASTER BLOCK INC

> EPA TRI Facility `8533WMSTRB1262W` · EL MIRAGE, AZ · Active

## Address
- 12620 W BUTLER DR
- EL MIRAGE, AZ 85335
- County: MARICOPA

## Mailing
- MASTER BLOCK INC
- PHOENIX, AZ 85019

## Source
- EPA TRI Form R: https://www.epa.gov/toxics-release-inventory-tri-program/find-facility-tri-reports
- Envirofacts: https://www.epa.gov/enviro/facts-services-where-information-find-it