Top Industrial Gases Private Equity Funds

Kainos Capital

22 Total Closed Deals Actively Sourcing Deals

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Kainos Capital, a middle market private equity firm focused on the food and consumer sector, was recently formed by Andrew Rosen, Robert Sperry and Sarah Ashmore Bradley. The Kainos Partners have invested and collaborated together in the food and consumer space over the past 20 years and their deep industry knowledge is complimented by an experienced team of investment professionals.The Kainos Team has extensive investment and operating experience in the industry, having invested more than $2 billion of equity in more than 52 transactions in the food and consumer sector with a total…

Recent Transactions

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• Aug 2023 Acquired Good2Grow
• Feb 2023 Invested in CellCore
• Jan 2023 Acquired Evriholder
• Aug 2021 Acquired Muenster Milling Company

Artemis Capital Partners

22 Total Closed Deals Actively Sourcing Deals

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Artemis is a highly specialized private equity firm focused on partnering with differentiated Industrial Tech companies that contribute to a healthier, safer, and more productive world. Focusing exclusively on manufacturers of highly engineered products with mission-critical applications, Artemis' vision is to buy and build deeply impactful Industrial Tech businesses that enhance global health, security, and productivity.These products enable some of the most important technologies to serve the most pressing human demands: Diagnostic lab equipment enabling health &…

Recent Transactions

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• Nov 2025 Acquired Antenna Associates, Inc.
• Sep 2025 Acquired Millrock Technology
• Mar 2025 Acquired Athena AI
• Jan 2025 Acquired Richland Glass

GreyLion

19 Total Closed Deals Actively Sourcing Deals

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GreyLion focuses on investing in high-growth businesses in the lower middle market. We seek to partner with existing owners and management teams across the Industrial, Healthcare, Software and Services sectors to deliver capital in tailored and flexible minority and control structures. GreyLion invests $25-$125 million of capital per investment, primarily within the United States. We currently manage private equity funds with aggregate commitments of $1.9 billion.

Recent Transactions

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• Jul 2024 Acquired Birdseye Security
• Aug 2022 Acquired 360 Training
• Aug 2022 Acquired Trifecta Collective
• Aug 2021 Acquired Norwood Sawmills

Speyside Equity

18 Total Closed Deals Actively Sourcing Deals

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Speyside Equity brings an operationally intensive approach to investing in manufacturing and distribution businesses with a value-added component. We prefer situations where there are opportunities to focus on transformational improvement opportunities that result in sustainable EBITDA margin expansion and long‐term value creation.Financial Attributes Revenue: Up to $500 million Creative Structuring SolutionsBusiness Profile HQ in North America or Western Europe Defensible Market Position Mature Industries: performance materials, building products, food ingredients, metals, plastics,…

Recent Transactions

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• Nov 2021 Acquired Metcan Industrial Corp
• May 2021 Acquired Howell Gear
• Jun 2019 Acquired Weatherly Corp
• Jun 2019 Acquired Hazleton Corp

Hamilton Robinson Capital Partners

18 Total Closed Deals Actively Sourcing Deals

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We acquire companies that have a dominant position in their niche sub-sectors of B2B services, distribution, highly engineered manufacturing, and industrial/operational technology. We focus on companies or corporate carve-outs based in the US or Canada.We target companies that benefit from many of the leading trends impacting industrial markets including productivity enhancing technology solutions, factory automation, robotics, the Industrial Internet of Things (IIOT), advanced manufacturing and the increasing importance of B2B services.

Recent Transactions

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• Dec 2022 Acquired Sani-Matic
• Dec 2021 Acquired WorkforceQA
• Dec 2021 Acquired Signal Control Products
• Mar 2021 Acquired Zone 4

Peak Rock Capital

17 Total Closed Deals Actively Sourcing Deals

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We make equity and debt investments in companies in North America and Europe. Peak Rock’s equity investment platform focuses on opportunities where it can support senior management to drive rapid growth and profit improvement, with expertise in corporate carve-outs and partnering with families and founders seeking first-time institutional capital. Peak Rock’s credit platform focuses on providing bespoke primary financings and making investments in secondary loans for corporate debt and commercial real estate. Peak Rock’s principals have deep expertise in complex situations and…

Recent Transactions

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• Apr 2019 Acquired Turkey Hill
• Oct 2018 Acquired Pretzels, Inc.
• Oct 2018 Acquired Louisiana Fish Fry Products
• Sep 2018 Acquired TNT Crust

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Hadley Capital

15 Total Closed Deals Actively Sourcing Deals

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We work with founders/owners, families and management teams in need of ownership transition, management succession, and / or growth support. We primarily focus on companies with revenue between $5 million and $80 million, and a cash flow between $1 million and $10 million. We consider a wide range of industries and look for companies with potential to build on past successes and open to new ideas.

Recent Transactions

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• Sep 2014 Acquired Brushy Mountain Bee Farm
• Sep 2013 Acquired Centare
• Dec 2012 Acquired Bluff Manufacturing
• Sep 2012 Acquired W.C. Rouse

Blue Sage Capital

15 Total Closed Deals Actively Sourcing Deals

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Blue Sage Capital is an Austin, Texas-based private equity firm that has been investing in profitable, growing, lower middle-market companies since 2002. Blue Sage currently has over $400 million of assets under management and seeks to partner with founders, families, and management teams as the first round of institutional capital for businesses that enjoy leadership positions in niche manufacturing, environmental solutions, or specialty services industries. Blue Sage typically invests $20 million to $40 million in control buyout investments and recapitalizations of companies with $20…

Recent Transactions

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• Apr 2023 Invested in NexGen Financial
• Jan 2023 Invested in Clearly Clean
• Jul 2022 Invested in Baker Manufacturing Company LLC
• Apr 2021 Acquired Purpose Legal

Third Century Management, LLC

14 Total Closed Deals Actively Sourcing Deals

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Third Century Investment Associates, LP ("TCIA") manages private equity capital for significant investments in small businesses. We invest actively in partnership with operating companies and carefully selected management teams located in the United States. Our team targets proven businesses in specialized sectors where we work to become advantaged investors through existing or acquired expertise. We are a disciplined, process-driven partnership, focused on long-term fundamentals. Our mission is to build sustainable business value, earn a superior return and develop a best-in-class reputation…

Recent Transactions

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• Apr 2026 Acquired Mobile IV Medics
• Sep 2025 Acquired BlackJet Marketing
• Jul 2025 Acquired Local Web Leads
• Oct 2024 Acquired Mobile RN Management

Ironbridge Equity Partners

12 Total Closed Deals Actively Sourcing Deals

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Ironbridge is a Toronto-based private equity firm with more than $750 million of assets under management focused exclusively on investing in companies in the Canadian lower middle-market. We focus on traditional industry businesses in the manufacturing, distribution, consumer products and services, and business products and services spaces. We have completed over 55 transactions since 2005 and are currently deploying from our $383M Fund IV. We are looking for new platform acquisitions in Canada fitting the following parameters:Lower middle-market focus:• Deal Sizes generally between $25 and…

Recent Transactions

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• Oct 2018 Invested in Canada Metal (Pacific) Limited
• Dec 2017 Invested in Midland Appliance
• Jun 2017 Invested in Avena Foods
• Jun 2017 Invested in Brooklin Concrete Products

Banyan Capital Partners

11 Total Closed Deals Actively Sourcing Deals

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We are a Canadian based private equity firm that makes control equity investments in mid-sized private and public companies throughout North America. We provide full or partial liquidity to existing owners or partner with owners seeking capital for organic or acquisition-driven growth. With over 50 years of private equity, investment banking and operating experience collectively, we have developed a strong franchise. Our success is based on our experience, relationships and our reputation for honesty, respect and integrity. Since inception, Banyan has acquired equity interests in 20…

Recent Transactions

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• Dec 2021 Acquired Innovative Surface Solutions
• Sep 2017 Acquired Rack Attack
• Jun 2014 Acquired Newcrete
• Sep 2013 Acquired MIP Inc.

Sole Source Capital

11 Total Closed Deals Actively Sourcing Deals

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Founded in 2016 by David Fredston, Sole Source Capital is a private equity firm that thematically invests in fragmented, high-growth industrial subsectors. Sole Source seeks founder-owned businesses or corporate carve-outs that will benefit from the team’s operating and M&A capabilities. The Firm has a strong operating heritage that enables it to execute a buy-and-build strategy with significant downside protection. The Firm is headquartered in Dallas, Texas with an additional office in Santa Monica, California.

Recent Transactions

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• Sep 2024 Acquired GrayMar Environmental Services, Inc.
• Aug 2023 Invested in Cantium
• Feb 2023 Acquired Lee Fish
• Oct 2022 Acquired Westwood Laboratories

Keswick Partners

10 Total Closed Deals Actively Sourcing Deals

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Keswick Partners is a Lower-Middle Market PE firm armed with a $100M fund that invests in niche manufacturers, value-added distributors, and specialty service providers doing $2-$6M in annual EBITDA. Our Managing Partners have over 90 years of collective investing experience and have executed over 135 transactions in their shared careers. We presently have four active investments in our portfolio, but are looking to expand our operating footprint. We invest in rollovers, buyouts, carve outs, and more, but have developed a specialty in facilitating intra-family handoffs and employee…

Recent Transactions

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• Jun 2025 Acquired Thomas Wilson Contracting
• Jun 2025 Acquired Meeker Holding Company
• Apr 2025 Acquired Seal Brothers
• Dec 2024 Acquired Confidential Company

Astara Capital Partners

7 Total Closed Deals Actively Sourcing Deals

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Astara Capital Partners is a private equity firm founded in 2020, headquartered in New York City, and investing out of a $312M fund. The firm specializes in value-oriented investing and special situations, focusing on middle-market companies across various industries such as manufacturing, building products, environmental infrastructure, tech-enabled services, and food & beverage.Astara Capital Partners is known for its integrated team of experienced investors and operators, boasting over 100 years of cumulative experience. The firm aims to provide both capital and operational expertise…

Recent Transactions

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• Nov 2024 Acquired Unified Service Partners
• Feb 2024 Acquired Ally Building Solutions
• Jan 2023 Acquired Wyandot Snacks
• Nov 2022 Acquired Del-Air

American Pacific Group

7 Total Closed Deals Actively Sourcing Deals

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American Pacific Group is a San Francisco-based private equity firm targeting control equity investments in lower-middle-market companies, typically with EBITDA from $0 to $40 million. We focus on complex businesses and transactions across technology, consumer, business services, industrial, and healthcare. We are growth-oriented investors, and together with our in-house operating partners, seek to implement our proprietary value creation model to drive sustainable growth in our portfolio companies. 

Recent Transactions

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• Aug 2022 Acquired Concisys
• Dec 2021 Acquired Gym Launch & Prestige Labs
• Nov 2021 Acquired Fellers
• Mar 2021 Acquired Aesop

Tecum Capital Partners

6 Total Closed Deals Actively Sourcing Deals

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Tecum Equity is an operationally oriented growth investment firm focused on supporting family and founder owned businesses within the precision manufacturing, high value-added distribution, and nondiscretionary B2B service sectors. We target industrial end markets where we can leverage our past operational and investment experience. We seek to support first time ownership transitions where our resources and experiences can augment the existing team’s culture and capabilities. Since 2006, our team has invested over $1B of growth capital and served as leaders and advisors to over 100…

Recent Transactions

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• Aug 2025 Acquired A&D Manufacturing Company
• Jun 2025 Acquired Industrial Supply Company
• Aug 2024 Acquired Kadon Precision Machining
• Oct 2023 Acquired Basement Waterproofing Company

Valedor Partners, LLC

6 Total Closed Deals Actively Sourcing Deals

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We are passionate about improving the value and performance of your business. We've started companies, managed operations, made acquisitions, sold businesses, and learned plenty of valuable lessons along the way. Whether you are looking for a partner to help you grow your business, or someone to step in so you can take a step back, give us a call. We invest in businesses to help them grow, and hold for the long-term. Since we don’t raise blind pooled funds, we can seek out co-investors that have capital, experience, and expertise in your industry. Plus, with no arbitrary timelines to exit…

Recent Transactions

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• May 2024 Acquired Q360 Group
• Feb 2022 Acquired Allcat Claims
• Oct 2019 Invested in Orchard on the Brazos
• Jan 2017 Invested in White Oak Music Hall

Lincoln Road Global Management

6 Total Closed Deals Actively Sourcing Deals

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Lincoln Road Global Management, LLC (“Lincoln Road”) is a private equity firm focused on investing in market leading businesses. Our goal with every investment is to work in close collaboration with management, stakeholders, and operating partners in order to help these businesses achieve operational excellence and unlock the next phase of growth. As a result, we position our companies to enjoy long-term success well into the future.

Recent Transactions

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• Oct 2023 Acquired Silversand Services
• Oct 2023 Acquired SLI Landscaping
• Mar 2023 Acquired Zodega
• Jul 2021 Acquired Brothers Paving & Concrete Corporation

Gemspring Capital

2 Total Closed Deals Actively Sourcing Deals

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With $350 million of committed capital under management, Gemspring Capital is a private equity firm specializing in lower middle market companies. We provide flexible capital and partner with talented management teams to propel companies to grow and achieve their full potential. At Gemspring, we take a hands-on approach to investing and commit operating and strategic resources to help drive revenue growth and operating efficiencies at each of our portfolio companies. We take smart risks with capital investment and often pursue transformational add-on acquisitions. The goal for each…

Recent Transactions

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• Jun 2017 Acquired Therma
• Dec 2016 Acquired United Group Programs

Wellspring Capital Management

35 Total Closed Deals

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WELLSPRING CAPITAL MANAGEMENT, founded in 1995, is a middle-market private equity firm that has approximately $3 billion of private equity capital under management. The firm’s objective is to bring partnership, experience and value creation to each investment. By teaming up with strong management, Wellspring is able to unlock underlying value and pursue new growth opportunities through strategic initiatives, operating improvements and add-on acquisitions. The firm functions as a strategic rather than tactical partner, providing management teams with top-line support, M&A experience and…

Recent Transactions

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• Oct 2016 Acquired Hoffmaster Group
• Nov 2015 Acquired Bellwether Behavioral Health
• Aug 2015 Acquired Ampac Holdings, LLC
• Oct 2014 Acquired Qualitor