FactoryRegistry

Manufacturing in Dauphin County, Pennsylvania

As of JUL 2026, FactoryRegistry lists 183 manufacturing facilities in Dauphin County, Pennsylvania, sourced from EPA, OSHA and Census records.

FACILITIES
183
CITIES
10
TOP INDUSTRY
Food Manufacturing
40 facilities

Cities

Harrisburg (70)Middletown (27)Hershey (11)Harrisburg (10)Millersburg (10)Middletown (8)Hummelstown (8)Steelton (6)Elizabethville (5)Hershey (4)

Top industries

Food Manufacturing (40)Fabricated Metal Product Manufacturing (27)Computer and Electronic Product Manufacturing (17)Machinery Manufacturing (15)Wood Product Manufacturing (12)Miscellaneous Manufacturing (11)

Facilities

Advanced Conversion Technology INC
Middletown, PA
ACTIVE334417EMP 100-499
Plouse Machine Shop, INC.
Highspire, PA
ACTIVE332710EMP 20-99
Swab Wagon Company
Elizabethville, PA
ACTIVE336211EMP 20-99
Alvord-polk, INC.
Millersburg, PA
LIKELY ACTIVE333511EMP 20-99
Dauphin Precision Tool LLC
Millersburg, PA
LIKELY ACTIVE333511EMP 20-99
Hershey Creamery Company
Harrisburg, PA
LIKELY ACTIVE311520
Librandis Mach Shop
Middletown, PA
LIKELY ACTIVE332813
Mountain Ridge Metals INC
Millersburg, PA
LIKELY ACTIVE331318EMP 100-499
Te Connectivity Corporation
Harrisburg, PA
LIKELY ACTIVE334417
Thermo Fisher Scientific
Millersburg, PA
LIKELY ACTIVE326111EMP 500+
Zeager Bros INC
Middletown, PA
LIKELY ACTIVE321999
106 Facn - Middletown
Middletown, PA
LIKELY ACTIVE334417EMP 20-99
128 Facn - Middletown
Middletown, PA
LIKELY ACTIVE334417EMP 100-499
140 Facn - Middletown
Middletown, PA
LIKELY ACTIVE334417EMP 100-499
Accurate Products & Services INC
Hummelstown, PA
LIKELY ACTIVE332710
Advanced Composite Products, INC.
Harrisburg, PA
LIKELY ACTIVE326199
Advanced Scientifics, INC
Millersburg, PA
LIKELY ACTIVE326111
All Fabrications INC
Harrisburg, PA
LIKELY ACTIVE339991
American Carpet of Harrisburg INC.
Hummelstown, PA
LIKELY ACTIVE321918
Atlas Defense Co, LLC
Hummelstown, PA
LIKELY ACTIVE332994
Avatar Advanced Technologies CORP
Grantville, PA
LIKELY ACTIVE336412
Bedrock Semiconductor INC.
Hummelstown, PA
LIKELY ACTIVE334413
Cairn Surgical Resources, LLC
Hummelstown, PA
LIKELY ACTIVE339113
Cameron Street Administration
Harrisburg, PA
LIKELY ACTIVE311520EMP 20-99
Cameron Street Cabinet Shop
Harrisburg, PA
LIKELY ACTIVE311520EMP 1-19
Cameron Street Mfg
Harrisburg, PA
LIKELY ACTIVE311520EMP 100-499
Classic Rock Fabrication, LLC - Harrisburg
Harrisburg, PA
LIKELY ACTIVE327991EMP 20-99
Cleveland-Cliffs Steelton LLC
Steelton, PA
LIKELY ACTIVE331110EMP 500+
coin division
Harrisburg, PA
LIKELY ACTIVE322230EMP 20-99
Customer Service Group Harrisburg Repair Center
Harrisburg, PA
LIKELY ACTIVE333991EMP 20-99
Dayton Parts - Harrisburg
Harrisburg, PA
LIKELY ACTIVE332613EMP 100-499
Dayton Parts - Stanley Springs
Harrisburg, PA
LIKELY ACTIVE332613EMP 1-19
Displays and Graphics, Incorporated
Harrisburg, PA
LIKELY ACTIVE339950
Dura-Bond Pipe LLC
Steelton, PA
LIKELY ACTIVE331210EMP 100-499
Elizabethville
Elizabethville, PA
LIKELY ACTIVE332321EMP 100-499
Fresh Express
Harrisburg, PA
LIKELY ACTIVE311991EMP 100-499
Gray Water Ops LLC
Harrisburg, PA
LIKELY ACTIVE332999
Harrisburg Branch
Middletown, PA
LIKELY ACTIVE311520EMP 1-19
Harrisburg IDEMIA
Harrisburg, PA
LIKELY ACTIVE326199EMP 1-19
Harrisburg IDEMIA Civil Identity
Harrisburg, PA
LIKELY ACTIVE326199EMP 1-19
Harrisburg Pa
Harrisburg, PA
LIKELY ACTIVE312112EMP 100-499
Hershey Company (the)
Hershey, PA
LIKELY ACTIVE311351
Hersheys Salty Snacks Plymouth
Hershey, PA
LIKELY ACTIVE311919EMP 100-499
Hydroworx International, INC.
Middletown, PA
LIKELY ACTIVE339920
HydroWorx Main Office
Middletown, PA
LIKELY ACTIVE339920EMP 20-99
Impact Access, INC.
Harrisburg, PA
LIKELY ACTIVE332710
Ingredients - Cheese - Hummelstown PA
Hummelstown, PA
LIKELY ACTIVE311513EMP 20-99
Irvin H Geiger Associates INC
Harrisburg, PA
LIKELY ACTIVE333996
Iwi US INC
Middletown, PA
LIKELY ACTIVE332994
Jemic Shielding Technology, CO.
Harrisburg, PA
LIKELY ACTIVE337215