FactoryRegistry

Manufacturing in Warren County, Ohio

As of JUL 2026, FactoryRegistry lists 201 manufacturing facilities in Warren County, Ohio, sourced from EPA, OSHA and Census records.

FACILITIES
201
CITIES
10
TOP INDUSTRY
Fabricated Metal Product Manufacturing
39 facilities

Cities

Mason (43)Franklin (34)Lebanon (29)Springboro (21)Mason (15)Lebanon (13)Franklin (12)Springboro (11)Monroe (4)Middletown (3)

Top industries

Fabricated Metal Product Manufacturing (39)Machinery Manufacturing (25)Chemical Manufacturing (20)Computer and Electronic Product Manufacturing (15)Transportation Equipment Manufacturing (14)Paper Manufacturing (13)

Facilities

Ferco Tech, LLC
Franklin, OH
ACTIVE336412EMP 20-99
Gmi Companies, INC.
Lebanon, OH
ACTIVE337211EMP 100-499
Haag-streit Usa, INC
Mason, OH
ACTIVE339112EMP 100-499
K & K Precision, INC.
Mason, OH
ACTIVE332710EMP 20-99
L3harris Cincinnati Electronics Corporation
Mason, OH
ACTIVE334511EMP 500+
Modula INC
Franklin, OH
ACTIVE333922EMP 100-499
Numalliance-north America, INC.
Lebanon, OH
ACTIVE333517EMP 20-99
Pdi Communication Systems INC
Springboro, OH
ACTIVE334220EMP 20-99
Protopack, LLC
Franklin, OH
ACTIVE322211EMP 1-19
Thaler Machine Company, LLC
Springboro, OH
ACTIVE332710EMP 100-499
Aprecia Pharmaceuticals, LLC
Mason, OH
LIKELY ACTIVE325412
Armor Metal Group
Mason, OH
LIKELY ACTIVE331521EMP 100-499
Atricure INC.
Mason, OH
LIKELY ACTIVE339112
Aws Industries, Inc.dba Tomak Precision
Lebanon, OH
LIKELY ACTIVE332710EMP 20-99
Fecon, LLC
Lebanon, OH
LIKELY ACTIVE333111
General Dynamics-ots, INC.
Springboro, OH
LIKELY ACTIVE332994
Heat Sensor Technologie LLC
Lebanon, OH
LIKELY ACTIVE332999
Hi-tek Manufacturing INC
Mason, OH
LIKELY ACTIVE332710EMP 100-499
Huhtamaki, INC.
Franklin, OH
LIKELY ACTIVE322212EMP 100-499
Rps Composites Ohio INC
Franklin, OH
LIKELY ACTIVE326122EMP 1-19
Sunstar Engineering Americas INC
Franklin, OH
LIKELY ACTIVE325520EMP 20-99
Teledyne Tekmar
Mason, OH
LIKELY ACTIVE334516EMP 100-499
0g32 Global Chain Supply Management
Mason, OH
LIKELY ACTIVE315280EMP 20-99
0g58 Strategic Sourcing
Mason, OH
LIKELY ACTIVE315280EMP 20-99
0g59 Logistics Admin
Mason, OH
LIKELY ACTIVE315280EMP 20-99
3-d Technical Services Company
Franklin, OH
LIKELY ACTIVE339999
Amc Rail LLC
Morrow, OH
LIKELY ACTIVE336510
Armor Metal Group Mason, INC.
Mason, OH
LIKELY ACTIVE332439
Ashley Ward
Mason, OH
LIKELY ACTIVE332722EMP 20-99
Atlas Roofing Shingle Plant
Franklin, OH
LIKELY ACTIVE324122EMP 100-499
Aviation Ground Equipment CORP
Franklin, OH
LIKELY ACTIVE335312
Aws Industries INC
Lebanon, OH
LIKELY ACTIVE332721
Buckeye Fabricating Company
Springboro, OH
LIKELY ACTIVE332420EMP 20-99
Carter Component Plant 537
Mason, OH
LIKELY ACTIVE321214EMP 20-99
Cartridge Brewing
Maineville, OH
LIKELY ACTIVE312120EMP 20-99
Cincinnati Branch
Mason, OH
LIKELY ACTIVE333995EMP 1-19
Companion Systems-Ohio
Lebanon, OH
LIKELY ACTIVE339950EMP 20-99
Complete Services, INC
Mason, OH
LIKELY ACTIVE337110
Compulor Systems LLC
Mason, OH
LIKELY ACTIVE334111
Container Graphics Franklin
Franklin, OH
LIKELY ACTIVE333514EMP 1-19
Crane 1 Services - Cincinnati
Franklin, OH
LIKELY ACTIVE333923EMP 20-99
Deerfield Manufacturing, Inc. d/b/a Ice Industries Deerfield
Mason, OH
LIKELY ACTIVE332119EMP 100-499
Doubleday Acquisitions, LLC
Monroe, OH
LIKELY ACTIVE322211
Dracool USA INC
Franklin, OH
LIKELY ACTIVE332410
FANUC - Central
Mason, OH
LIKELY ACTIVE333998EMP 20-99
Faurecia Exhaust Systems, Inc.
Franklin, OH
LIKELY ACTIVE336390EMP 100-499
Fecon Plant 3
Lebanon, OH
LIKELY ACTIVE333120EMP 1-19
Fecon Plant 4
Lebanon, OH
LIKELY ACTIVE333120EMP 1-19
Femto Tech INC
Franklin, OH
LIKELY ACTIVE334519
First Source of Ohio, LLC
Springboro, OH
LIKELY ACTIVE332710