"Providing Precision Seals For Over 65 Years"

“Quality Beyond Expectations”

“Stein Seal is your natural first choice for precision custom sealing solutions”

-Phil Stein



Stein’s precision machining expertise coupled with quality controls built into every step of the process means that our products not only meet, but also exceed the most stringent industry and military standards.

For over 65 years the Stein Seal Company has manufactured, repaired, overhauled and redesigned seals and sealing systems for industrial, aerospace and other applications. 

In Stein’s test lab, we can accurately simulate the extreme limits of operating conditions, which allows us to accurately predict and verify performance under the most rigorous operating conditions.


Pennsylvania, USA

Stein Seal Industrial Division
(Outside Philadelphia)
Yucatan, Mexico

Seal and Metal Products
of Latin America
Czech Republic
Stein Seal Czech s.r.o.
Since 1955, Stein Seal Company has been a leading provider of custom designed seals and precision components for use in a wide variety of aerospace, marine and industrial applications.

Careers – “We are Growing!”

Working at Stein

Stein Seal knows it is the knowledge, expertise and effort of our employees that allows us to maintain our position as the premier supplier of seals and specialty machined components. Therefore we make every effort to offer a superior range of benefits along with providing a workplace environment complete with the newest in machinery, technology and educational opportunities.

Our location, just northwest of Philadelphia PA, provides the best in both suburban and metropolitan living with excellent housing, school systems and a wide variety of cultural opportunities.

We welcome your examination of the career opportunities we currently have available, and to contact us with your job qualifications. Stein Seal is an Equal Opportunity Employer.


  • Pension Plan – 100% Company Paid
  • 401 (k) Retirement Savings Plan
  • Comprehensive Medical Coverage Including
    • Vision
    • Prescription
  • Dental Plan
  • Extensive Insurance Coverage For
    • Life
    • Short-Term Disability
    • Long-Term Disability
  • Tuition Refund Programs
  • Credit Union Participation
  • Generous Paid Vacations and 9 Paid Holidays Annually
  • Competitive Salaries

Send inquires to HireMe@steinseal.com

View Current Positions

“We are GROWING”

CNC Machine Maintenance Technician

CNC Machine Maintenance Technician If you are a CNC Machine Mechanic and looking to grow in your field, Stein Seal Company has a newly available position for you.  We are a growing manufacturer of precision mechanical seals used in aircraft engines, generators, pumps,...

Maintenance Technician

Maintenance Technician Stein Seal, located in Kulpsville, PA has an opening for an experienced maintenance mechanic. The maintenance mechanic performs a variety of maintenance duties throughout the facility including, but not limited to, equipment repairs,...

Inspector – Dimensional

Inspector – Dimensional Must have experience in first piece, in-process, and final dimensional inspection of machined parts.  This position requires the ability to use measuring instruments such as a micrometer, calipers, depth...

Competitive Excellence Engineer

Competitive Excellence Engineer Stein Seal is a growing manufacturing company which is seeking a skilled Competitive Excellence Engineer responsible for design, development and documentation of manufacturing processes. The ideal candidate should have a degree in...

Production Workers – Carbon Seal

Production Workers – Carbon Seal Stein Seal Company located in Kulpsville PA is a growing manufacturer of precision mechanical seals used in aircraft engines, generators, pumps, and other precision devises is looking to hire mechanically inclined individuals skilled...

Shipping & Receiving Associate

Shipping & Receiving Associate Stein Seal is seeking a motivated individual to join our Shipping & Receiving Team.  As a part of our team, you will oversee and document the receiving of packages, parcels and supplies, and store items in the appropriate staging...

CNC Machinist – Manufacturing

CNC Machinist - Manufacturing Are you serious about your trade?  What's the future prospect for your career & company?  If these issues matter to you, current and long-term projected growth has created openings for experienced machinists.  Our growth has resulted...

Engineering Test Lab Mechanic 2nd Shift

Engineering Test Lab Mechanic 2nd Shift  Hours: 8 p.m. until 6:30 a.m. 5 days a week.   Responsibilities: Test rig assembly and set up prior to test. Operation of test rig during testing. Collection of required data during test. Maintaining the calibration of...


+1 215-256-0201


Stein Seal Company
P.O. Box 316
1500 Industrial Blvd.
Kulpsville, PA 19443-0316 U.S.A.


Email: YourTeam@SteinSeal.com