Sumco Phoenix CORP

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
L3harris Cincinnati Electronics Corporation	Mason	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	● ACTIVE	5.5 KM
HSHeat Sensor Technologie LLC	Lebanon	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	8.8 KM
Velocity Concept Development Group LLC	Mason	All Other Plastics Product Manufacturing 326199	● ACTIVE	7.4 KM
ALAutomate365, LLC	Monroe	Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use 334512	▲ REPORTED CLOSED	14.3 KM
KIKnick Interface LLC	Milford	Other Electronic Component Manufacturing 334419	◐ LIKELY ACTIVE	21.5 KM

Every listed plant in Warren 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 AIR, AIRS/AFS, BR, EIS, ICIS, NPDES, OH-CORE, RCRAINFO, TRIS · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen OCT 2019 · last seen OCT 2019
• EPA Facility Registry ServiceEXISTENCE
  Record 110000392423 · first seen JUN 2017 · last seen JUN 2017

IN WARREN COUNTY1 other plant shares this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 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: SUMCO PHOENIX CORP · OCT 2026

Street address

EPA: 537 GRANDIN RD · OCT 2026

City

EPA: MAINEVILLE · OCT 2026

State

EPA: OH · OCT 2026

County (FIPS code)

EPA: 39165 · OCT 2026

Coordinates

EPA: 39.34639,-84.2292 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026