Top Railroads Private Equity Funds

PennSpring Capital

1 Closed Deal via Axial 10 Total Closed Deals Actively Sourcing Deals

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Investment OverviewPennSpring Capital is actively seeking acquisitions of lower-middle-market businesses where founders are looking for a trusted partner to ensure long-term continuity, professionalize operations, and support the next stage of growth. We move quickly, close reliably, and customize structures to meet seller goals.We have a strong track record across compliance-oriented software, environmental services, B2B services, and niche recurring-revenue businesses.Target CriteriaIndustry Focus (any of the following):Environmental services (asbestos, mold,…

Recent Transactions

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• Aug 2023 Acquired EHC
• Aug 2023 Acquired Yapstone
• Aug 2023 Acquired Circle
• Aug 2023 Acquired total traffic service

Colville Capital

1 Closed Deal via Axial 3 Total Closed Deals Actively Sourcing Deals

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For the past 20 years, we have partnered with management teams to build businesses that are fierce competitors in their markets, great places to work and contributive to their communities.We are a community of strategic advisors and investors dedicated to the long-term growth of independently owned industrial companies.- Horizon-Free Investments: Our capital is our own, allowing us to make decisions in the best interest of our companies.- Integrity First, Active Engagement: We are committed to active engagement and integrity, enabling us to align with management and provide insights, capital,…

Recent Transactions

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• Mar 2025 Acquired Confidential Company
• Jul 2013 Invested in Kurz Electric Solutions, Inc.
• Sep 2006 Acquired Motion & Flow Control Products

The Sterling Group

1 Closed Deal via Axial 35 Total Closed Deals

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Founded in 1982, The Sterling Group is a private equity investment firm defined by its focused expertise, depth of experience, operational strategy, and approach to partnering with management.Focused expertiseWe specialize in what we know best: acquiring and increasing the value of middle-market operating businesses in the fields of basic manufacturing, industrial services, and distribution.Depth of experienceOur Partners have a combined 90 years at Sterling. Their business experience encompasses management, operations, public accounting, commercial and investment banking, and securities…

Recent Transactions

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• Dec 2024 Acquired Confidential Company
• Oct 2010 Acquired Propex Inc
• Oct 2010 Acquired Purina Mills
• Oct 2010 Acquired Quicken Loans Inc.

Alvarez & Marsal Securities

1 Closed Deal via Axial 12 Total Closed Deals

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Alvarez & Marsal Capital (“AMC”) is a multi-strategy private equity investment firm with over $3 billion in assets under management across four funds and three investment strategies. Our firm is led by a highly experienced investment team, which is augmented by our strategic association with Alvarez & Marsal (“A&M”), one of the largest operationally focused advisory firms in the world. AMC combines a focus on middle-market private equity investing, with deep operational expertise, industry knowledge, and global corporate relationships of A&M, making us an attractive partner to…

Recent Transactions

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• Aug 2023 Invested in Allied Universal
• Aug 2023 Invested in Carton Pack
• Aug 2023 Invested in Ayesa
• Aug 2023 Invested in AirLife

Ninth Street Capital Partners

1 Closed Deal via Axial 9 Total Closed Deals

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Ninth Street Capital Partners is a private investment partnership that specializes in acquiring, developing and managing established businesses. With a focus on executing deals with the highest degree of integrity, we make long-term controlling investments in growth-oriented, privately held businesses with revenues ranging from $5 to $50 million. Our flexible approach allows us to tailor our investments to help entrepreneurs and business owners achieve their personal and financial goals.

Recent Transactions

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• Sep 2019 Acquired Undislosed
• Jun 2015 Invested in Premium Inspection & Testing
• Mar 2014 Invested in Kitchen Cabinet Distributors
• May 2013 Acquired SCADA Source, LLC

Soundcore Capital Partners

1 Closed Deal via Axial 5 Total Closed Deals

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Our strategy is to partner with exceptional management teams and create long-term value for our investors through a combination of operational improvements, internal growth initiatives, and strategic acquisitions. We are particularly interested in businesses whose management team members and / or selling shareholders wish to have a meaningful ownership stake in the newly acquired enterprise.

Recent Transactions

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• May 2019 Acquired American Restoration
• Oct 2018 Acquired InfraStripe
• Feb 2017 Acquired Sweeping Corporation of America, Inc.
• Sep 2016 Acquired PumpMan, LLC

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Gemini Investors

136 Total Closed Deals Actively Sourcing Deals

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Founded in 1993, Gemini Investors is a Massachusetts-based private equity firm that provides capital and strategic resources to lower middle market companies. Since its inception, we have invested approximately $1 Billion in more than 185 companies throughout the U.S., typically investing $3 – $8 million per transaction in either control or minority positions. Gemini offers a flexible investment approach. We provide a wide range of financing structures, which include subordinated debt with warrants, preferred stock, and common equity. We have extensive experience leading transactions, as…

Recent Transactions

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• Sep 2025 Acquired Party Reflections
• May 2025 Acquired Honey Smoked Fish
• May 2025 Acquired Gold Coast Baking Company
• Feb 2025 Acquired Spectro-UV

LNC Partners

69 Total Closed Deals Actively Sourcing Deals

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LNC Partners is a relationship-driven private equity firm based in Arlington, Virginia, focused on investing in lower middle-market companies across the United States. Founded in 2012, the firm manages over $1 billion in capital and frequently serves as the first institutional partner to founder- and management-led businesses.LNC provides customized and flexible capital solutions that can combine equity and debt, enabling the firm to structure investments that align with the needs of each business and management team. LNC’s flexible approach allows it to invest in either control or minority…

Recent Transactions

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• May 2026 Acquired Confidential Company
• Dec 2025 Invested in Bennie Health, Inc.
• Nov 2025 Acquired General Insurance Agency
• Oct 2025 Acquired Nevarez Insurance

Gen Cap America

57 Total Closed Deals Actively Sourcing Deals

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Gen Cap America (GCA) is a private equity firm headquartered in Nashville, Tennessee that specializes in leveraged buyouts of privately held lower-middle market businesses. Investment Criteria: Revenue: $5M - $100MEBITDA: $1.5M - $10M Geography: United States & CanadaTransaction Types: Family SuccessionManagement BuyoutDivisional Spin-offRecapitalizationsMost transactions are management buyouts or buyouts of one or multiple retiring owners. GCA target investments typically have a long history of successful operations and cash flow, and quality managers who wish to be part of the…

Recent Transactions

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• Feb 2022 Acquired Aquasol Corporation
• Sep 2021 Invested in Lab Products, Inc.
• Jan 2021 Acquired Frontier Packaging, Inc.
• Sep 2020 Acquired TFM Services, LLC

Graham Partners

46 Total Closed Deals Actively Sourcing Deals

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Graham Partners is a private investment firm focused on investing in businesses with proprietary technologies, advanced manufacturing know-how, innovative product development capabilities, and strong growth potential. Graham Partners targets companies with EBITDA between $5 million and $50 million, and will invest in smaller companies to the extent they complement one or more of its other holdings. Since the firm's founding in 1988, Graham Partners has closed over sixty acquisitions, joint ventures, financings, and divestitures. The committed capital raised since inception through the Graham…

Recent Transactions

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• Sep 2023 Acquired Barcoding
• Sep 2023 Acquired Commercial Bakeries Corp.
• Aug 2023 Acquired TAOGLAS
• Mar 2023 Acquired Rhythmlink

Clearview Capital

45 Total Closed Deals Actively Sourcing Deals

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We are a private investment firm specializing in control and non-control investments of North American companies with operating profits of $4 - $20 million.Since the firm’s founding in 1999 by Jim Andersen, Calvin Neider and Pete Doolittle, Clearview has single-mindedly remained dedicated to investing in and supporting the development of lower middle market companies. Working collaboratively with our portfolio company management teams, we provide targeted strategic and operational assistance, as well as capital, to fuel organic and acquisition growth initiatives.Since inception, the…

Recent Transactions

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• Jan 2025 Acquired Loss Prevention Services
• Dec 2023 Acquired AdCellerant
• May 2023 Acquired Inventive
• Apr 2023 Acquired Capitol Services

Hammond Kennedy Whitney & Company

44 Total Closed Deals Actively Sourcing Deals

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HKW is evolving with clarity and purpose, while honoring the vision of the firm’s founders and our 100 plus year history. We focus on specific sectors in which we can utilize our skills and perspective, leveraging technology as part of a data-driven methodology to power our “Four Pillar” structure. HKW has developed processes that support our strategy to find, create, and sustain value in our companies while trusting and appreciating that our approach is what sets us apart.

Recent Transactions

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• Jan 2023 Acquired CMIT Solutions
• Dec 2022 Acquired dominKnow
• Sep 2022 Acquired Golden Country Oriental Food
• Mar 2022 Invested in Draup

Stonehenge Partners

42 Total Closed Deals Actively Sourcing Deals

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Stonehenge Partners ("Stonehenge" or the "Firm") is a middle-market private equity firm with a highly successful 25+ year track record. The Firm directs the investment activities for approximately $1 billion in capital commitments. Stonehenge's investment professionals have extensive experience executing a broad range of transactions including:Management and leveraged buyoutsAcquisitionsRecapitalizationsGrowth capital investmentsStonehenge Partners has the flexibility to invest in a variety of structures including common equity, preferred equity and subordinated debt (or combinations…

Recent Transactions

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• Jun 2019 Invested in Carolina Restaurant Group, Inc.
• Apr 2019 Invested in Weil Foot & Ankle Institute
• Jan 2019 Acquired PPM Technologies
• Sep 2018 Acquired EMX Industries, Inc.

Rockwood Equity Partners

41 Total Closed Deals Actively Sourcing Deals

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Rockwood Equity Partners:B2B manufacturing, service providers, distribution in industrials and regulated industries (e.g., healthcare, aerospace & defense, environmental, waste, rail, water, others)Transaction types: First institutional capital partner, majority, minority, growth, independent sponsor and operator partners, management buyout, corporate divestitureTarget company size: $10-$75 million in revenues and $2-$7 million EBITDA, add-ons of any size.Private equity investment firm for lower middle market companies, with a track record spanning 25+ years.Approach:Focused on growing…

Recent Transactions

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• Dec 2025 Acquired Wright's Hydroseeding
• Dec 2025 Acquired Utility Locating Services in Ohio
• Nov 2025 Acquired Sealer Equipment Business serving Medical and Pharmaceutical
• Sep 2024 Acquired SafeSite

The Brydon Group

38 Total Closed Deals Actively Sourcing Deals

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The Brydon Group is a veteran-led $500M+ private equity fund focused on acquiring recurring revenue small businesses with $1-$5M EBITDA. To date we've closed 39 transactions. We are an ideal solution for owners looking to transition their legacy to the next generation of small business owner as we bring in one of our industry-focused entrepreneurs-in-residence as CEO.We have a focus on software and B2B, government, & healthcare services.Investor team consists of Alex Mears (two decades in large cap private equity at Blackstone and Carlyle and five years in Special…

Recent Transactions

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• Jan 2026 Acquired Confidential Company
• Dec 2025 Acquired Confidential Company
• Dec 2025 Acquired Confidential Company
• Dec 2025 Acquired Confidential Company

Garnett Station Partners

35 Total Closed Deals Actively Sourcing Deals

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Garnett Station Partners was founded in 2013 by Matt Perelman and Alex Sloane, two entrepreneur-investors who grew up together, attended school together, and built the firm together. Today, GSP is a New York–based principal investment firm managing approximately $4.5 billion in assets, investing in growing businesses at attractive entry points across sectors including food and beverage, health and wellness, automotive, and business services. GSP's origins trace to the founders' first year of business school, when they acquired 23 struggling Burger King franchises in Henderson, North…

Recent Transactions

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• Dec 2025 Acquired Skybound Service Partners
• Dec 2025 Acquired True North Fleet Services
• Dec 2025 Acquired Honey Baked Ham
• Dec 2025 Acquired Tavern in the Square

Industrial Opportunity Partners

35 Total Closed Deals Actively Sourcing Deals

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Industrial Opportunity Partners, LLC ("IOP"), based in Evanston, IL, is a private equity investment firm. With $910 million of committed capital since its inception, IOP is focused on acquiring and managing middle-market manufacturing and value-added distribution businesses. Utilizing its operations-focused approach and dedicated Board of Operating Principals, IOP has a track record of stabilizing, growing and enhancing the value of its acquired businesses having invested in over 20 platform companies.

Recent Transactions

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• May 2024 Acquired Transcendia
• May 2024 Acquired Forte Opening Solutions
• May 2023 Acquired HARVEST FOOD GROUP
• Apr 2022 Acquired VIAFLEX

Argosy PE Investments, LLC

32 Total Closed Deals Actively Sourcing Deals

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Founded in 1990, Argosy Capital invests entrepreneurial capital with experienced business partners in two asset classes, lower middle market operating companies and real estate. Our focus is on creating value with our business partners by investing in inefficient markets where creativity, hard work and disciplined risk taking can generate exceptional returns for the benefit of all stakeholders. As partners with our investors, co-investors, operating company management teams and real estate operating partners, we are dedicated to creating value by building upon the strengths of the people,…

Recent Transactions

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• Aug 2023 Acquired Barco Products
• May 2023 Acquired Diverse Logistics & Distribution, Inc.
• Apr 2023 Acquired Burco, Inc.
• Nov 2022 Acquired Best Warehousing & Transportation, Inc.

Highview Capital

30 Total Closed Deals Actively Sourcing Deals

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Highview Capital is a family-office backed private equity fund in Los Angeles with an evergreen fund structure (patient capital with ability to hold longer) and flexible, opportunistic investment mandate that has deployed nearly $700mm of equity capital through 2024.We look for companies poised to undergo a transformation. We drive value through a strategic and operational approach coupled with patient capital and an extremely flexible mandate.We invest in middle market businesses that are facing a critical inflection point and are ready for transformation, whether that is executing…

Recent Transactions

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• Sep 2023 Acquired Lamm Food Service
• Aug 2023 Invested in Safety Marking
• Jun 2023 Invested in B&R Auto
• Sep 2022 Acquired Armstrong’s Restoration

Northern Lakes Capital

27 Total Closed Deals Actively Sourcing Deals

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Northern Lakes Capital makes control equity investments in leading family owned private companies with revenues typically ranging from $15 million to $150 million and earnings before interest, taxes, depreciation, and amortization (EBITDA) between $3 million and $20 million. We will look at smaller companies as add-on acquisitions.

Recent Transactions

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• Apr 2026 Acquired Gary O’Brien Property Services
• Apr 2026 Acquired Collins Brothers Towing of St. Cloud
• Mar 2026 Acquired True Access Security
• Jan 2026 Acquired Cones & Barrells