FactoryRegistry

Manufacturing in Seneca County, Ohio

As of JUL 2026, FactoryRegistry lists 69 manufacturing facilities in Seneca County, Ohio, sourced from EPA, OSHA and Census records.

FACILITIES
69
CITIES
10
TOP INDUSTRY
Plastics and Rubber Products Manufacturing
11 facilities

Cities

Fostoria (22)Tiffin (22)Fostoria (9)Tiffin (8)Bettsville (2)Republic (1)Attica (1)Alvada (1)Old Fort (1)Bloomville (1)

Top industries

Plastics and Rubber Products Manufacturing (11)Transportation Equipment Manufacturing (10)Fabricated Metal Product Manufacturing (10)Nonmetallic Mineral Product Manufacturing (7)Machinery Manufacturing (7)Chemical Manufacturing (6)

Facilities

National Machinery LLC
Tiffin, OH
ACTIVE333517EMP 100-499
Palfinger Usa, LLC
Tiffin, OH
ACTIVE336211EMP 100-499
American Fine Sinter
Tiffin, OH
LIKELY ACTIVE336310EMP 100-499
Arnold Machine INC
Tiffin, OH
LIKELY ACTIVE333249EMP 20-99
M & B Asphalt CO INC
Tiffin, OH
LIKELY ACTIVE324121EMP 20-99
National Electrical Carbon Products, INC
Fostoria, OH
LIKELY ACTIVE335991
Taiho Corporation of America
Tiffin, OH
LIKELY ACTIVE336310EMP 100-499
Tiffin Scenic Studios, INC.
Tiffin, OH
LIKELY ACTIVE314121EMP 20-99
Aviation MFG
Fostoria, OH
LIKELY ACTIVE333517EMP 20-99
Ballreich Foods, LLC
Tiffin, OH
LIKELY ACTIVE311919EMP 20-99
Caliber Machine LTD
Tiffin, OH
LIKELY ACTIVE332322
Callies
Fostoria, OH
LIKELY ACTIVE336310EMP 100-499
CCP Newco, LLC
Tiffin, OH
LIKELY ACTIVE326199EMP 100-499
Custom Glass Solutions
Fostoria, OH
LIKELY ACTIVE327215EMP 100-499
Custom Glass Solutions Fostoria, LLC
Fostoria, OH
LIKELY ACTIVE327215
Custom Machine Inc
Tiffin, OH
LIKELY ACTIVE332710EMP 1-19
Filmtec Fabrications, LLC
Fostoria, OH
LIKELY ACTIVE333519EMP 20-99
Inland Tarp & Liner LLC
Fostoria, OH
LIKELY ACTIVE314910
ITL Fostoria
Fostoria, OH
LIKELY ACTIVE314910EMP 20-99
Jeb Modern Machines, Limited
Republic, OH
LIKELY ACTIVE332710
Mennex Processing & Packing
Fostoria, OH
LIKELY ACTIVE311824EMP 20-99
National Electric Carbon Products, Inc.
Fostoria, OH
LIKELY ACTIVE335991EMP 100-499
NSI Crankshaft
Fostoria, OH
LIKELY ACTIVE336310EMP 20-99
Poet Biorefining - Fostoria
Fostoria, OH
LIKELY ACTIVE325193EMP 20-99
Quick Tab II Inc
Tiffin, OH
LIKELY ACTIVE323111EMP 20-99
Scm INC.
New Riegel, OH
LIKELY ACTIVE332710
Seneca Manufacturing LLC
Tiffin, OH
LIKELY ACTIVE332710
Tiffin
Tiffin, OH
LIKELY ACTIVE311411EMP 100-499
Tiffin - A608
Tiffin, OH
LIKELY ACTIVE333243EMP 100-499
Tiffin OH Soltech
Tiffin, OH
LIKELY ACTIVE327993EMP 20-99
Toledo Molding & Die Tiffin Plant
Tiffin, OH
LIKELY ACTIVE336390EMP 100-499
Webster Industries - Tiffin
Tiffin, OH
LIKELY ACTIVE333922EMP 100-499
Alpha Coatings INC
Fostoria, OH
UNVERIFIED336390
Alpha Coatings INC.
Fostoria, OH
UNVERIFIED325510
Alpha Coatings, INC.
Fostoria, OH
UNVERIFIED326199
Autolite (0374010117)
Fostoria, OH
UNVERIFIED336320
B J Pallet
Tiffin, OH
UNVERIFIED321920
Boc Gases
Fostoria, OH
UNVERIFIED325120
Buecomp, INC.
Bloomville, OH
UNVERIFIED326199
Callies Performance Products, INC.
Fostoria, OH
UNVERIFIED336399
Carmeuse Lime Maple Grove Operations
Bettsville, OH
UNVERIFIED327410
Centrex Plastics, LLC
Tiffin, OH
UNVERIFIED326199
Church & Dwight Co., INC.
Old Fort, OH
UNVERIFIED325180
Crystal Traditions of Tiffin, INC.
Tiffin, OH
UNVERIFIED327212
Dorel Home Furnishings, INC.
Tiffin, OH
UNVERIFIED337122
Garsite Progress LLC
Alvada, OH
UNVERIFIED336413
Inland Tarp and Liner, LLC
Fostoria, OH
UNVERIFIED339999
Innovation Plastics LLC
Fostoria, OH
UNVERIFIED326199
Kohart Recycling of Fostoria
Fostoria, OH
UNVERIFIED331314
Laminate Technologies, INC.
Tiffin, OH
UNVERIFIED321214