Bay State Milling - Tolleson

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
OOOats Overnight	Phoenix	Breakfast Cereal Manufacturing 311230	◐ LIKELY ACTIVE	26.4 KM
Thrival LLC	Scottsdale	Nonchocolate Confectionery Manufacturing 311340	● ACTIVE	29.7 KM

Every listed plant in Maricopa County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AZURITE, EIS, ICIS, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

• OSHA injury and illness reportsOPERATING
  Record 162643 · first seen DEC 2025 · last seen DEC 2025
• EPA Facility Registry ServiceEXISTENCE
  Record 110038026132 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASBAY STATE MILLING CO

IN MARICOPA COUNTY3 other plants share this one’s industry (Grain and Oilseed Milling, NAICS 3112); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: BAY STATE MILLING CO · JUL 2026

Street address

EPA: 421 S 99TH AVE · JUL 2026

City

EPA: TOLLESON · JUL 2026

State

EPA: AZ · JUL 2026

County (FIPS code)

EPA: 04013 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 33.443602240844,-112.272340366763 · JUL 2026 · ON THIS PAGE

EPA: 33.44217,-112.2724 · JUL 2026

Employees (band)

OSHA: 20-99 · DEC 2025