Free Demo     Our Data     Sample Profile     User Reviews     Compare Versions     Subscription Pricing     IndustrySelect Blog     Contact Us

Top 10 Manufacturing Companies in Pennsylvania

Posted by IndustrySelect on Monday, June 6, 2022

A ladle of molten iron is poured into a Basic Oxygen Process (BOP) furnace at U. S. Steel's Granite City Works,

A ladle of molten iron is poured into a Basic Oxygen Process (BOP) furnace at U. S. Steel's Granite City Works, where it will be transformed into liquid steel. U.S. Steel's Mon Valley Works is Pennsylvania's ninth-largest manufacturing company based on number of employees. (Image courtesy of US Steel Corp)

For those looking to do business with Pennsylvania manufacturers, it helps to have a solid grasp of the state’s manufacturing climate, particularly in these fast-changing times.

Today we’re focusing on some key insights on Pennsylvania’s manufacturing sector and providing a look at the state’s top companies.

Key Facts on Pennsylvania Manufacturing Companies

According to industrial data provider MNI, Pennsylvania is currently home to 14,475 manufacturers employing 760,875 workers.

MNI reports there are 54,142 executive contacts among Pennsylvania’s industrial companies, including 8,432 presidents, 4,720 owners and partners; 4,986 vice-presidents and 5,900 sales, marketing and purchasing executives.

Looking to do business with Pennsylvania manufacturers? Reach Pennsylvania's 14,000+ manufacturing companies and 54,000 executives with IndustrySelect, the industrial database from MNI. Click here to learn more. 

3% percent of Pennsylvania’s manufacturing companies are women-owned, according to MNI. This is slightly ahead of the U.S. as a whole, with 2% of manufacturers owned by women.

Other facts to know about Pennsylvania manufacturers, based on advanced criteria available to IndustrySelect subscribers:

• 8% are publicly owned companies
• 13% import raw materials
• 26% distribute their products internationally

Food processing ranks as the state’s largest industrial sector by number of jobs, employing 90,556. Industrial machinery ranks second, with 87,647 workers, while third-ranked fabricated metals accounts for 81,287. Other top industries in Pennsylvania include chemicals; plastics/rubber and electronics.

Philadelphia is the state’s largest industrial city home to 682 manufacturers and 34,911 workers. Pittsburg is a close second with 624 factories employing 32,203. Other top cities in Pennsylvania include:

York (21,717 jobs)
Lancaster (15,046 jobs)
Erie (14,928 jobs)
Allentown (13,432)
Reading (10,031 jobs)

Pennsylvania’s top manufacturers are representative of the state’s robust and varied industrial economy, home to key players in the defense, pharmaceutical and steel industries. Next, we’ll take a look at the state’s largest companies, measured by number of employees on site.

List of the 10 Largest Manufacturers in Pennsylvania

CompanyEmployeesCityState
Merck & Co., Inc.9,500West PointPA
East Penn Mfg. Co.7,000Lyon StationPA
Boeing Defense, Space & Security5,200Ridley ParkPA
Air Products & Chemicals, Inc.3,500AllentownPA
Endo Pharmaceuticals, Inc.3,500MalvernPA
Westinghouse Electric Co., LLC3,400Cranberry TownshipPA
SEI Investments Co.3,300OaksPA
Sanofi Pasteur, Inc.3,000SwiftwaterPA
SAP America, Inc.3,000Newtown SquarePA
U. S. Steel Corp., Mon Valley Works2,800West MifflinPA
Allan Myers, Inc.2,000WorcesterPA

About the 10 Largest Manufacturers in Pennsylvania

1. Merck & Co., Inc. (West Point, PA)

Pharmaceutical giant Merck & Co.’s sprawling West Point, PA plant is home to 9,500 employees – the company’s largest manufacturing site. Workers and researchers there make and test pharmaceuticals, vaccines and biological products.

2. East Penn Mfg. Co. (Lyon Station, PA)

East Penn Mfg Co. is the second-largest manufacturing company in the state of Pennsylvania. This family-owned company employs 7,000 at its Lyon Station facility where it produces all types of batteries and related accessories for the automotive, marine, commercial and industrial markets.

3. Boeing Defense, Space and Security (Ridley Park, PA)

This massive Boeing campus in Ridley Park employs 5,200 workers, making it the state’s third-largest industrial facility. The company produces helicopters at this three million square foot facility, including the Chinook, Sea Knight, V-22 Osprey, and R A H Comanche.

4. Siemens Healthineers, Siemens Medical Solutions USA, Inc. (Malvern, PA)

5,000 employees work at this Siemens facility in Malvern where they develop healthcare information software.

5. Air Products & Chemicals, Inc. (Allentown, PA)

Air Products & Chemicals produces industrial gases, equipment and intermediate chemicals and operates internationally, with facilities in 50 countries and employing 17,000 worldwide. 3,500 work at the Allentown site, which serves as the company’s headquarters.

6. Endo Pharmaceuticals, Inc. (Malvern, PA)

This Malvern site serves as Endo Pharmaceutical’s U.S. headquarters, home to 3,500. Endo Pharmaceuticals produces a wide range of pharmaceuticals, including Percocet®; Percodan and Lidoderm.

7. Westinghouse Electric Co., LLC (Cranberry Township)

Coming in at seventh place is Westinghouse Electric’s Cranberry Township plant, where their 3,400 employees produce instrumentation and control systems for nuclear power plants.

Westinghouse prides itself on its innovation and dedication to leading the nuclear industry.

8. Sanofi Pasteur (Swiftwater, PA)

Sanofi Pasteur is the vaccine wing of pharmaceutical giant Sanofi, home to 3,000 employees. The company produces vaccines and biological products at this 350,000 square foot plant, including influenza vaccines.

Like many other vaccine makers, the company is active in pursuing vaccines, test and treatments for the COVID-19 virus.

9. U. S. Steel Corp., Mon Valley Works (West Mifflin)

A major steelmaking operation, this U.S. Steel site in the Pittsburgh suburb of West Mifflin employs 2,800. In 2019, the company announce it would be investing one billion dollars in the facility to construct a new casting and rolling operation, expected to be up and running by 2022.

U.S. Steel is among the nation’s oldest manufacturers, established in 1901 with Andrew Carnegie and J.P. Morgan among its founders. The Mon Valley Works site was founded in 1937.

10. Allan Myers, Inc. (Worcester, PA)

Allan Myers is a major construction industry supplier, providing construction aggregates, including stone, limestone, and asphalt mixtures.

Established in 1939, Allan Meyers, Inc. started out as a father- and-son team who sold six of their dairy cows during the Great Depression to fund the down payment on their first piece of equipment: a 1939 Ford dump truck.

Today, 2,000 employees report to work at its Worcester facility.

Looking to Reach Pennsylvania Manufacturers?

For those looking to do business with industrial companies, IndustrySelect’s database of 400,000 U.S. manufacturers is a top resource for both developing and researching sales leads in the manufacturing sector.

An IndustrySelect subscription can put you on a first-name basis with Pennsylvania’s 17,000 industrial companies and 52,000 executives. Subscribers can select up to 30 data points on any manufacturing company in the U.S. to help identify or pre-qualify leads. Company profiles also include the contact information for hard-to-find executive decision-makers. Try a free demo today! Or, click here to learn more about our Pennsylvania database. 

Are you a supplier looking to increase your visibility among buyers in the industrial world? Learn more about our marketing solutions.

Editor's Note: This article was original published in July 2020. It is updated annually to reflect new statistics and trends. 

Get Your 600
FREE Leads from
IndustrySelect!
Reach U.S. manufacturers, suppliers, and industrial service providers with
B2B company data
IndustrySelect
Researched firsthand by real people for unparalleled accuracy and detail, trusted by over 40,000 professionals at small businesses to Fortune 500 companies
IndustrySelect is the Industrial Database
Sales • Marketing • Recruiting • Research
Check  Identify prospects by location, industry, size
Check  View complete company profiles
Check  Executive contact data with direct emails
Check  Get instant counts, build unlimited lists
Check  Export profiles to your CRM
Check  Locate top executives by name & title
Check  Collaborate with your sales team
Check  See parent company and family tree
Check  Discover a company's key competitors
Check  Uncover hidden prospects with Intent Data
Check  Clone your best customers Customer Match
Check  Pricing levels for all budgets
Check  Use on your PC, Mac, tablet, or smartphone
Get your 600 FREE leads now!
© 2022 MNI     License Agreement     Terms of Use     Legal Information     Privacy Policy     Do Not Sell My Personal Information     Help Us Fight Data Theft