The rubber gasket and seal manufacturers industry in the US plays a crucial role in countless sectors, from automotive to aerospace. These companies create essential products that provide reliable sealing solutions, vital for preventing leaks and enhancing product performance. Players in this industry range from small specialized manufacturers to large corporate entities, each producing a variety of gaskets and seals made from rubber, foam, and other materials. As focus shifts towards sustainability and advanced manufacturing techniques, innovative materials and eco-friendly processes are reshaping the landscape, promising growth and collaboration across related industries.


The investors highlighted in this list represent a mix of private equity firms and corporate investors, primarily headquartered in key cities like New York and Boston. Established between 1984 and 2005, these firms vary greatly in size, from boutique operations to large entities managing thousands of employees. In 2024, they collectively executed 80 investments, signaling a robust interest in sectors pertinent to rubber gasket and seal manufacturing, showcasing their strategic approach to capitalize on industry trends and growth opportunities.


Top 12 Rubber Gasket and Seal Manufacturers Investors in the US


1. The Riverside Company


The Riverside Company is a private equity investment firm based in New York, specializing in providing flexible capital solutions and strategic guidance to smaller middle-market businesses. Founded in 1988, Riverside has built a diverse portfolio of over 140 companies across various industries. Notable transactions include the acquisition of Selig Group, which operates in packaging and sealing solutions, and Carborundum Electrite, a manufacturer of industrial products. These acquisitions demonstrate Riverside's capability and interest in sectors that may overlap with rubber gasket and seal manufacturing, indicating their potential relevance to this industry.


2. Northstar Capital

  • Website: northstarcapital.com
  • Type: Private Equity
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Founded year: 1993
  • Headcount: 11-50
  • Number of deals in 2024: 1
  • LinkedIn: northstar-capital

Northstar Capital is an investment management firm based in Minneapolis, Minnesota, specializing in junior capital investments and equity co-investments for lower middle market companies. Founded in 1993, the firm has raised nearly $2 billion in capital and is known for providing tailored financing solutions to financial sponsors, business owners, and management teams across various industries, including healthcare and consumer goods. Notably, Northstar Capital has been involved in several transactions relevant to the rubber gasket and seal manufacturing sector, such as their investment in Precision Gasket Company in 1996, which highlights their historical engagement with this industry. Other transactions include investments in companies like Monroe Engineering and Control Devices, which may also have ties to the manufacturing of gaskets and seals, further demonstrating their relevance in this field.


3. Wynnchurch Capital, L.P.

  • Website: wynnchurch.com
  • Type: Private Equity
  • Headquarters: Rosemont, Illinois, United States (USA)
  • Founded year: 1999
  • Headcount: 11-50
  • Number of deals in 2024: 6
  • LinkedIn: wynnchurch-capital

Wynnchurch Capital, L.P. is a private equity firm based in Rosemont, Illinois, founded in 1999. The firm specializes in investments in middle-market companies across a variety of industries, including aerospace, manufacturing, and consumer goods. Wynnchurch provides capital, management expertise, and strategic guidance to help businesses navigate challenges and achieve growth. Notable transactions include the acquisition of Wolverine Advanced Materials, a company that may have relevance in the rubber and seal industry, and Mid-America Fittings, which also operates in manufacturing. Their portfolio includes companies like Anderson Metals Corp. and Drew Foam, indicating a strong presence in manufacturing sectors that could align with rubber gasket and seal production.


4. Beacon Waterproofing & Restoration


Beacon Waterproofing & Restoration, also known as Beacon Roofing Supply, Inc., is a corporate investor based in Herndon, Virginia, founded in 1928. The company specializes in supplying a wide range of building materials, including roofing, siding, insulation, and waterproofing materials. In 2024, Beacon has been active in the acquisition of several companies, including Metro Sealant & Waterproofing Supply, which directly relates to the rubber gasket and seal industry. Other notable acquisitions include Garvin Construction Products and Smalley and Company, further expanding their portfolio in construction materials. These transactions highlight Beacon's strategic focus on enhancing their offerings in the waterproofing and sealing market, making them a relevant player in the rubber gasket and seal manufacturers sector.


5. Audax Private Equity


Audax Private Equity is a private equity firm based in Boston, Massachusetts, founded in 1999. The firm specializes in investment management and capital growth, focusing on middle-market companies across various sectors. Audax employs a Buy & Build strategy, aiming to optimize the value of its portfolio companies through targeted investments and operational support. Notable transactions include the acquisition of Krayden, Inc., a company that may have relevance in the rubber and seal industry due to its distribution of specialty materials. Additionally, their acquisition of Flow Control Holdings, which provides engineered flow components, indicates their interest in sectors that may overlap with rubber gasket and seal manufacturing. These transactions highlight Audax's capability and willingness to invest in industries that could include rubber gasket and seal manufacturers.


6. Industrial Opportunity Partners, LLC


Industrial Opportunity Partners, LLC (IOP) is a private equity firm based in Evanston, Illinois, founded in 2005. The firm specializes in middle-market manufacturing and distribution businesses, providing control-equity investments and operational expertise to enhance the performance of their portfolio companies. IOP's investment strategy is focused on various manufacturing sectors, which may include rubber gasket and seal manufacturers. Notable transactions include the acquisition of Toledo Molding & Die in 2011, which operates in the manufacturing sector, and GT Technologies in 2017, both of which indicate IOP's active role in the manufacturing landscape. In 2017, they also invested in Creative Foam Corp, a company involved in foam manufacturing, which may relate to sealing applications. Their recent investment in Transcendia in 2024 further demonstrates their ongoing commitment to the manufacturing industry, making them a potentially relevant investor for rubber gasket and seal manufacturers.


7. DXP Enterprises, Inc.

  • Website: dxpe.com
  • Type: Corporate
  • Headquarters: Houston, Texas, United States (USA)
  • Founded year: 1908
  • Headcount: 1001-5000
  • Number of deals in 2024: 6
  • LinkedIn: dxp-enterprises-inc-

DXP Enterprises, Inc. is a corporate investor based in Houston, Texas, founded in 1908. The company operates as an industrial distributor, providing a diverse range of products and services across various sectors, including manufacturing, oil and gas, and renewable energy. DXP specializes in rotating equipment, supply chain management, and safety solutions, which enhance operational efficiency for businesses. Notably, in 2024, DXP completed the acquisition of Pro-Seal Service Group, a company that generated approximately $19.9 million in sales and is directly involved in the rubber gasket and seal industry. This acquisition highlights DXP's strategic interest in expanding its footprint in this market. Other acquisitions, such as Rocky Mountain Supply and Jerzy Supply, further demonstrate DXP's commitment to enhancing its industrial distribution capabilities, although they are less directly related to rubber gaskets and seals.


8. Advent


Advent International Corporation is a private equity firm founded in 1984 and based in Boston, Massachusetts. The firm specializes in buyouts and investments across various sectors, providing capital and strategic guidance to help companies achieve growth. Advent operates globally, focusing on long-term value creation for its portfolio companies. Notable transactions include the acquisition of Ammeraal Beltech, a company involved in industrial belting solutions, and Profine, which produces PVC profiles. These acquisitions highlight Advent's engagement in sectors that are closely related to industrial manufacturing, including potential overlaps with rubber gasket and seal production. Their diverse investment portfolio and strategic approach position them as a significant player in the industrial materials market.


9. RPM International Inc.


RPM International Inc. is a corporate investor based in Medina, Ohio, specializing in coatings, sealants, and building materials. Founded in 1947, the company serves a diverse customer base, including construction professionals and DIY enthusiasts, by providing high-quality products for home maintenance and improvement. RPM operates globally with a strong emphasis on sustainability and innovation. Notable transactions include the acquisition of Illbruck Sealant Systems, a high-performance sealant manufacturer based in Germany, which enhances RPM's presence in the European sealant market. Additionally, RPM acquired Willseal, further expanding its portfolio in the sealant industry. Other significant acquisitions include Prime Resins, DAP Canada Corp., and DAP Products, Inc., all of which contribute to RPM's strategy of growth and market expansion in the sealant and coatings sector.


10. Kkr

  • Website: kkr.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1976
  • Headcount: 1001-5000
  • Number of deals in 2024: 74
  • LinkedIn: kkr

KKR & Co. Inc. is a prominent investment firm based in New York, specializing in private equity, credit, infrastructure, and real estate. Founded in 1976, KKR has established itself as a leader in asset management, providing solutions to institutional and individual investors. The firm has been actively involved in various sectors, including industrials, where they have made notable acquisitions relevant to the rubber gasket and seal manufacturers industry. For instance, KKR's acquisition of Minnesota Rubber & Plastics highlights their commitment to the rubber and plastics sector. Additionally, their recent acquisition of Chase Corporation, which operates in the industrial space, further demonstrates their strategic focus on companies that may intersect with rubber gasket and seal manufacturing. KKR's investment in Flow Control Group also reflects their engagement in industrial machinery, which can be related to the manufacturing processes of rubber products. Overall, KKR's diverse portfolio and strategic investments position them as a significant player in the industrial sector, including rubber gasket and seal manufacturing.


11. Ppg

  • Website: ppg.com
  • Type: Corporate
  • Headquarters: Pittsburgh, Pennsylvania, United States (USA)
  • Founded year: 1883
  • Headcount: 10001+
  • LinkedIn: ppg-industries

PPG Industries, Inc. is a leading manufacturer based in Pittsburgh, Pennsylvania, specializing in paints, coatings, and specialty materials. Founded in 1883, the company serves a diverse range of industries, including automotive and aerospace, and is committed to sustainability and community engagement. Notably, PPG has made strategic acquisitions that enhance its portfolio in related sectors. In 2015, PPG acquired a majority interest in the sealants business of Le Joint Français, which bolstered its capabilities in the aerospace sector, a market where rubber gaskets and seals are critical components. Additionally, PPG Aerospace raised $15.5 million in 2019, further indicating its focus on expanding its aerospace-related offerings. These transactions highlight PPG's commitment to diversifying its product range and enhancing its market position in areas that intersect with rubber gasket and seal manufacturing.


12. Platinum Equity

  • Website: platinumequity.com
  • Type: Private Equity
  • Headquarters: Beverly Hills, California, United States (USA)
  • Founded year: 1995
  • Headcount: 201-500
  • Number of deals in 2024: 20
  • LinkedIn: platinum-equity

Platinum Equity is a private equity firm based in Beverly Hills, California, founded in 1995. The firm specializes in mergers, acquisitions, and operations management, focusing on investing in established companies across various industries. With a portfolio of approximately 50 companies and managing over $48 billion in assets, Platinum Equity has a significant global presence. Notable transactions include the acquisition of Enbi, a company that produces engineered products, which may encompass rubber gaskets and seals, and Pearl Engineered Solutions, which also operates in the manufacturing sector. Their acquisition of SMW Automotive, a Tier 1 supplier of automotive parts, further demonstrates their involvement in industries that may require rubber components. These transactions highlight Platinum Equity's capability and interest in sectors related to rubber gasket and seal manufacturing.



Rubber Gasket and Seal Manufacturers Insights: Key Investors in the US


InvestorHeadquarterSizeFoundedDeals 2024
The Riverside CompanyNew York, New York, United States (USA)201-500198812
Northstar CapitalMinneapolis, Minnesota, United States (USA)11-5019931
Wynnchurch Capital, L.P.Rosemont, Illinois, United States (USA)11-5019996
Beacon Waterproofing & RestorationHerndon, Virginia, United States (USA)5001-1000019289
Audax Private EquityBoston, Massachusetts, United States (USA)201-50019995
Industrial Opportunity Partners, LLCEvanston, Illinois, United States (USA)11-5020051
DXP Enterprises, Inc.Houston, Texas, United States (USA)1001-500019086
AdventBoston, Massachusetts, United States (USA)501-1000198417
RPM International Inc.Medina, Ohio, United States (USA)10001+19470
KkrNew York, New York, United States (USA)1001-5000197674
PpgPittsburgh, Pennsylvania, United States (USA)10001+18830
Platinum EquityBeverly Hills, California, United States (USA)201-500199520


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