Watermill Group

Watermill Group is a private equity firm based in Boston, Massachusetts, established in 1978. The firm specializes in investing in the manufacturing, business services, and distribution sectors, focusing on companies within the aerospace, automotive, building products and services, industrial distribution, metals and fabrication, packaging, chemicals, rubber, and plastics industries across the United States, Canada, Mexico, and the United Kingdom. With over three decades of experience, Watermill aims to help companies realize their full potential by applying strategic insights and management expertise to drive transformation and growth. The firm is committed to acquiring, operating, and improving businesses through a tailored approach to each investment.

Robert Ackerman

Senior Partner

Sarah Bowen

Director of Marketing

Timothy C. Eburne

Partner Emeritus

Michael Fuller

Principal and CFO

Richard Hall

Associate

Julia Karol

President and COO

Steven E. Karol

Managing Partner and Founder

Olga Levin

Director of Finance

Dale Okonow

Senior Partner

Scott Oudheusden

Principal

Benjamin Procter

Senior Partner

Cristina Rubbo

Director of Finance

Anabelle Skalleberg

Principal

Tracy Streckenbach

Partner

Peter R. d’Entremont

Director of Research

19 past transactions

Weston Forest

Acquisition in 2021
Weston Forest is one of North America’s full-service distributors and remanufacturers of wholesale softwood lumber, hardwood lumber & specialty panel products. Based in Toronto, Ontario, we specialize in ISPM 15 heat-treated lumber, industrial pallet lumber, concrete form plywood, FSC lumber & MSR lumber, and are one of the largest distributors of forest products to the Construction industry in Canada, supplying the growing Infrastructure, Road and Bridge, and High Rise sectors

Enbi

Acquisition in 2019
Enbi is a manufacturer of engineered products that specializes in providing precision rollers and related components for various industries, including digital printing, office equipment, ATMs, and cash handling systems. The company focuses on delivering high-quality solutions that are critical for end-product performance, offering products such as paper transport, fusing, and image transfer rollers. In addition to rollers, Enbi produces insulation, gaskets, and sealing technologies suitable for complex applications, emphasizing innovation and cost-effectiveness in its global operations. The company's commitment to precision and quality makes it a key supplier for original equipment manufacturers across multiple sectors.

Magenta Therapeutics

Series C in 2018
Magenta is focused on improving the patient experience in transplant medicine, with the goal of bringing this lifesaving procedure to more patients. Over the past 50 years, stem cell transplantation has been used in more than 1M patients worldwide. It is currently the only treatment with the potential to cure some of the most devastating hematologic cancers and autoimmune diseases. Despite the increased use and clinical advancements over the past several decades, stem cell transplant remains a high-risk last-resort therapeutic option due to the toxicity and potential long-term side effects.

Cooper & Turner

Acquisition in 2017
Cooper & Turner, founded in 1912 and based in Sheffield, United Kingdom, specializes in the manufacturing and distribution of industrial fasteners. The company produces a variety of high-strength, large-diameter fastener systems, including bolts, nuts, and hardened washers, primarily for use in steel structures, bridges, and sectors such as construction, renewable energy, rail, and tunneling. Its product range features flange bolts, cup square bolts, socket caps, socket buttons, and socket shoulder screws, among other components, catering to the diverse needs of its industrial clients.

Experi-Metal

Acquisition in 2016
Experi-Metal, Inc. (EMI) is a leading provider of highly engineered, metalformed prototypes, sub-assemblies, full Body-In-White (BIW) assemblies and bridge production in the automotive, aerospace, defense and alternative energy industries. Since 1959, customers have relied on EMI’s attention to excellence and dedication to continuous improvement. As advances in technology progress, EMI’s standards for quality, performance and safety enable its customers to remain on the leading edge.

Quality Metalcraft

Acquisition in 2015
Founded in 1964, Quality Metalcraft, Inc. (QMC) is a premium, niche provider of highly engineered, metal formed assemblies serving a wide range of transportation industries, including automotive, aerospace and defense, heavy trucking and construction equipment. The company specializes in advanced prototyping, in-house tooling, low-to-medium volume production, and factory assist services. Based in Livonia, Michigan, QMC is a highly technical organization with an adaptable, flexible manufacturing footprint.

Tenere

Acquisition in 2012
Tenere design for manufacturing engineers will recommend, and can help you with, minimal to major design changes that will make your product

Superior Tube Company

Acquisition in 2012
Superior Tube Company is an engineering company that manufactures small diameter precision tubes.

C&M Corporation

Acquisition in 2008
C&M Corporation designs and manufactures cables, cable assemblies, and coil cords to meet custom specifications. C&M Corporation is a vertically integrated manufacturer of custom cable, coil cords and cable assemblies. As a worldwide, RoHS compliant cable and cable assembly manufacturer of advanced power and signal transmission cable solutions, C&M employs the most current processes for lean manufacturing and cycle time reduction to deliver superior cost-competitive cables and cable assemblies faster than anyone else in the industry.

Latrobe Specialty Metals

Acquisition in 2006
Latrobe Specialty Metals engages in the development, production, and marketing of specialty metals and alloys.Latrobe Specialty Metals distributes austenitic, precipitation hardened, duplex, and martensitic stainless steel round bar, as well as various nickels.
Manufacturer of consumer and professional imaging media and medical diagnostic films. The company offers custom coating services for medical, optical, electronics, display, specialty packaging, energy, and filtration industries. It also offers polyester film, bi-axially oriented polypropylene, polycarbonate film, metalized film, and coated paper. The company serves medical, optical display components, electronics, security, anti-reflection, membrane casting, photographic, inkjet media, graphics, thermal media, defense, and automotive industries.

Vertex Distribution

Acquisition in 2005
Vertex Distribution, Inc. is a master distributor of industrial fasteners, specializing in corrosion-resistant and specialty alloy fasteners, rivets, and hose clamps. The company offers a diverse range of products, including machine and sheet metal screws, nuts, bolts, washers, and various items made from materials such as stainless steel, brass, aluminum, and silicon bronze. Its products serve multiple end markets, including industrial supply, water and wastewater management, general manufacturing, power generation, marine, and oil and gas. Founded in 1882 and headquartered in Attleboro, Massachusetts, Vertex operates distribution centers and sales offices across the United States, including locations in Illinois, California, Texas, North Carolina, Ohio, Florida, and Georgia. In December 2005, the company changed its name from Vertex Fasteners, Inc. and currently operates as a subsidiary of HWC Wire & Cable Company.

Preferred Compounding

Acquisition in 2002
Preferred Compounding Corporation specializes in the manufacture and supply of rubber compounds for various industries, including automotive, construction, power generation, and roll goods. The company produces a diverse range of rubber compounds, including butyl rubber, EPDM, chlorosulfonated polyethylene, fluoroelastomers, and various synthetic rubbers. Founded in 1973 and based in Copley, Ohio, Preferred Compounding operates multiple compounding facilities across the United States and in Mexico. The company was previously known as Preferred Rubber Compounding Corp. and adopted its current name in April 2010. As of July 2019, it operates as a subsidiary of HEXPOL AB. Preferred Compounding is also associated with Wingate Partners, which focuses on enhancing the operational performance of its portfolio companies.

Synquiry Technologies

Series A in 2000
Synquiry Technologies provides core software that manages complex content and data for business-to-business E-commerce.
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