Grumen Manufacturing Inc.
Grumen Manufacturing Inc.

Gluing shop, Mechanical Assembly shop Illinois, USA, Job Shop / Contract Manufacturer

  • High Performance Gaskets And Seals
  • Quality That Is On The Cutting Edge
  • One Source For All Your Gaskets And Seals


With our diversity in materials and processes, we serve a variety of industries utilizing quality standards.  Driven by a desire to fulfill our customer's needs, we continue to emphasize innovative technologies with the most efficient methods of processing. As a result, we provide gaskets and seals of the highest and most consistent quality.  

We are certified to ISO 9001-2008.


Die-Cut, Lathe-Cut, Guillotine-Cut, Spliced, Molded and Extruded



A Partial List of material includes:  Rubber, Plastic, TPEs, Felt, Fibre, Cork, Graphite, Leather, most Non-Metallic Gasket Material, Adhesive backed, Laminated, FDA, NSF, MIL Spec., High-Temp., Metal Reinforced and Fabric Reinforced. 

For a more complete list of materials please visit our website.



Automatic Lathes, Die Cutting Presses 1 to 75 Tons, Guillotine Cutters, Slitters, OD Grinders, Bonding & Splicing Equipment



ISO 9001-2008 Certified.  We have a Certified Quality Control System and Two Complete Computer Measuring Systems. We offer extensive Material Knowledge and Expertise. 

Material Certifications, PPAPs and IMDS input are available upon request.  


  • Flange Gaskets
  • Washers
  • Component Parts
  • Seals
  • Gaskets


  • ISO 9001 :2008

Grumen Manufacturing Inc., Get quotes online for manufacturing services at from machine shops, fabricators, job shops and contract manufacturers. connects buyers and suppliers when the buyer has a need and the supplier has the right expertise and capacity. analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience.

Overall Rating Averages    (Total Ratings Received: 16 , Unique Customers: 15)

Grumen Manufacturing Inc. Grumen Manufacturing Inc.
Reviews Project Rating Quality Responsiveness Delivery
  • #769367
  • 2015-08-20
Great company to work with, Job was delivered on time without hassle. Will continue to work with Grumen Mfg, prices are very reasonable.
John E.
  • #627111
  • 2014-03-12
excellent supplier ! really good service and quality!
Jean-Francois C.
  • #674932
  • 2014-03-12
excellent supplier ! really good service and quality!
Jean-Francois C.
  • #527547
  • 2012-01-24
Great company to work with. I would highly recommend them.
Tou Y.
  • #560853
  • 2011-10-11
It was a simple part but good communication and delivery.
Leon G.
  • #623889
  • 2011-09-13
Nicely made.
Jane O.
  • #569676
  • 2010-08-30
Excellent parts, on-time delivery.
Ken B.
  • #553789
  • 2010-07-26
Great Company! Will continue to work with them.
Robert K.
  • #527768
  • 2010-06-22
Good quality product at an excellent price.
Andrei B.
  • #559154
  • 2010-06-14
Great turnaround on a hot job. Definitely use again. Thanks.
Brian M.
  • #554343
  • 2010-05-06
Quick responses, professional communication, and great product. These guys provided consulting, quick feedback and a great rubber gasket. On-time delivery. A delight to work with.
David S.
  • #536733
  • 2010-02-15
Good price, on time delivery. Reponsive to concerns and questions. Already gave them more work! Great Job!
Natasha B.
  • #408830
  • 2009-12-03
Nice staff too
Mike S.
  • #504901
  • 2009-08-28
Would definitly use again
William (Andy) M.
  • #482634
  • 2009-01-25
Grumen went above and beyond my expectations. Will work with them again.
Tom Z.
  • #415591
  • 2007-10-11
Great company, easy to work with and very responsive. Look forward to do more business with them in the future.
Daniel F.
  • Gurnee, Illinois
  • USA 60031