Mason Wells

Mason Wells, established in 1998, is a Wisconsin-based private equity firm focusing on mid-market investments across the Midwestern United States. It specializes in consumer, industrial, and business service sectors, with a particular interest in biotechnology, medical devices, and life sciences. The firm generates revenues ranging from $25 million to $300 million and seeks to support founders, family owners, and managers in ownership transitions, helping companies and owners achieve their potential while preserving legacy and culture. Its portfolio includes A&R Logistics, AWT Labels & Packaging, CE Power Solutions, Eddy Packing, and Aquion.

Jeff Davidson

Managing Director of Research

Jim Domach

CFO

Kaitie Gannett

Director

Michael Graves

Director

Benjamin Holbrook

Senior Managing Director

Ben Holbrook

Senior Managing Director

Drew Kneisel

Associate

Chris Markgraf

Director

Greg Myers

Senior Managing Director

Christopher Pummill

Managing Director

Tyler Reinecke

Senior Associate

Dan Shanahan

Director

Jacob Simons

Vice President

Damon Thome

Managing Director

20 past transactions

KDV Label

Acquisition in 2021
KDV Label makes all printing plates in-house. They use state-of-the-art digital technology to produce the finest plates available in the industry. Their finished product needs to be exactly as approved, and they need an in-house plate department.

RJW Transport

Acquisition in 2019
RJW Transport, Inc. is a freight transportation and logistics company based in Woodridge, Illinois, founded in 1981. It offers a comprehensive range of services, including truckload, less than truckload (LTL), intermodal, climate-controlled, dedicated, and expedited delivery options. The company also provides warehousing and logistics services, with a particular focus on LTL consolidation tailored for consumer packaged goods suppliers serving large national retailers. RJW Transport's asset-based approach in transportation and logistics ensures an efficient and effective value proposition for shippers seeking expertise in retail logistics.

Structural Concepts Corporation

Acquisition in 2018
Structural Concepts Corporation designs and manufactures temperature-controlled display cases for the food service and supermarket industries, specializing in solutions for perishables and prepared foods. Founded in 1972 and based in Muskegon, Michigan, the company offers a wide range of products, including refrigerated and non-refrigerated cases, upright door models, and modular systems. Structural Concepts focuses on innovative designs that enhance food presentation, aiming to increase sales for its customers. The company's engineering expertise drives research and development efforts, improving the performance and longevity of its products while promoting energy efficiency and reducing operating costs.

Buffalo Games

Acquisition in 2018
Buffalo Games, Inc. is a manufacturer and marketer of jigsaw puzzles, board games, card games, and party games designed for families and friends. Founded in 1986 and based in Buffalo, New York, the company distributes its products through various channels, including mass retail, online retailers, specialty stores, and craft or hobby outlets. Buffalo Games focuses on providing engaging and innovative entertainment experiences, offering a wide range of products that cater to both children and adults. Its commitment to quality and creativity has established the company as a notable player in the games and puzzles market in America.

EastPoint Sports

Acquisition in 2018
EastPoint Sports, Ltd. is a manufacturer and supplier of indoor and outdoor recreational sporting goods, headquartered in Whippany, New Jersey. Established in 2009, the company designs, imports, and markets a diverse range of products, including table games, indoor sports, and Majik games, as well as lawn games such as horseshoes, volleyball, and croquet. Additionally, EastPoint offers tailgate games like ladderball and bean bag toss, catering to various recreational activities. The company sells its products through both retail and e-commerce channels across North America, focusing on providing durable and affordable options for consumers seeking recreational entertainment.

L.B. White Company

Acquisition in 2017
L.B. White Company is a global manufacturer specializing in heating solutions tailored for the agricultural, horticultural, industrial, construction, and special event tent rental sectors. With over 65 years of experience, the company produces a diverse range of products including forced air heaters, brooders, tube heaters, handheld gas torches, convection heaters, and portable heaters. L.B. White is committed to meeting the unique heating requirements of various environments, offering custom solutions that prioritize fuel efficiency and reliability. The company's dedication to quality is reflected in its focus on providing dependable heating systems and exceptional service to its clients worldwide.

King Juice

Acquisition in 2017
King Juice is a manufacturer and marketer of the Calypso brand of lemonade drinks and a co-manufacturer of non-alcoholic beverages. Calypso, the originator of the Flavored Lemonade category, has evolved from four Lemonade blends into twenty unique Lemonade, Limeade, and Teamonade combinations over the past nineteen years.

MGS Mfg. Group

Acquisition in 2016
MGS Mfg. Group is a manufacturing solutions company specializing in injection-molded parts and related components for various markets, including healthcare, consumer goods, automotive, and electronics. The company provides a comprehensive range of services, including engineering and design-for-manufacture, mold making, and sampling and development. MGS Mfg. Group also offers value-added contract manufacturing operations and multishot technologies, which enhance the capabilities and precision of its high-quality plastic products. By catering to a diverse clientele of original equipment manufacturers and brand owners across multiple industries, the company leverages its extensive experience to deliver innovative manufacturing solutions throughout North America and Europe.

Nelipak Holdings

Acquisition in 2013
Nelipak provides healthcare packaging solutions. Nelipak® Healthcare Packaging designs, develops and manufactures custom thermoformed packaging products that provide superior protection for medical devices and pharmaceuticals. The company offers medical trays and blisters, surgical procedure trays, pharmaceutical handling trays, custom built sealing machines and other value-added services.

Aquion

Acquisition in 2013
Aquion, Inc. is a manufacturer and marketer of water treatment equipment based in Roselle, Illinois, with manufacturing operations in San Luis Obispo, California. Established in 1953, the company provides a diverse range of products for both residential and commercial water treatment markets worldwide. Its offerings include water conditioners, iron filters, carbon filters, drinking-water purifiers, ozone and ultraviolet disinfection systems, reverse osmosis systems, and acid neutralizers. Aquion serves independent water treatment dealers as well as plumbing and home improvement contractors, addressing various water quality needs across the United States, Canada, and internationally. As of early 2019, Aquion operates as a subsidiary of Pentair plc.

OpGen

Series B in 2010
OpGen, Inc. is a precision medicine company focused on developing molecular diagnostics and informatics to address infectious diseases. Headquartered in Gaithersburg, Maryland, OpGen offers a range of products designed to provide clinicians with rapid and actionable information regarding life-threatening infections, ultimately aiming to enhance patient outcomes and reduce the spread of multidrug-resistant organisms (MDROs). Its key offerings include the Acuitas AMR Gene Panel, which detects bacterial nucleic acids and genetic markers of antimicrobial resistance, and the QuickFISH and PNA FISH products for pathogen identification in blood cultures. Additionally, OpGen provides the Acuitas Lighthouse informatics system, a cloud-based platform that integrates clinical lab results with patient and hospital data to support the management of antimicrobial-resistant infections. The company collaborates with the New York State Department of Health to develop solutions for detecting and tracking such infections in healthcare settings. Established in 2001, OpGen continues to innovate in addressing the critical challenge of antibiotic resistance through its advanced molecular microbiology solutions.

Deltanoid Pharmaceuticals

Series B in 2007
Deltanoid Pharmaceuticals, Inc. is a biopharmaceutical company based in Madison, Wisconsin, dedicated to the research, development, and commercialization of therapies for various human diseases, particularly focusing on renal diseases, osteoporosis, and skin conditions. Founded in 1999, the company specializes in vitamin D analogs and related compounds, aiming to advance selected therapies through the early stages of drug development. Notable products include DP001, designed for treating secondary hyperparathyroidism in chronic kidney disease patients undergoing hemodialysis, and DP006 for acne treatment. Deltanoid seeks partnerships for the later stages of development and commercialization, and it currently has an agreement with Novadiol, Inc. to develop a vitamin D therapy. Through its innovative approach, the company aims to enhance health outcomes for patients by unlocking the potential of vitamin D receptor-targeted therapies.

OpGen

Venture Round in 2007
OpGen, Inc. is a precision medicine company focused on developing molecular diagnostics and informatics to address infectious diseases. Headquartered in Gaithersburg, Maryland, OpGen offers a range of products designed to provide clinicians with rapid and actionable information regarding life-threatening infections, ultimately aiming to enhance patient outcomes and reduce the spread of multidrug-resistant organisms (MDROs). Its key offerings include the Acuitas AMR Gene Panel, which detects bacterial nucleic acids and genetic markers of antimicrobial resistance, and the QuickFISH and PNA FISH products for pathogen identification in blood cultures. Additionally, OpGen provides the Acuitas Lighthouse informatics system, a cloud-based platform that integrates clinical lab results with patient and hospital data to support the management of antimicrobial-resistant infections. The company collaborates with the New York State Department of Health to develop solutions for detecting and tracking such infections in healthcare settings. Established in 2001, OpGen continues to innovate in addressing the critical challenge of antibiotic resistance through its advanced molecular microbiology solutions.

OpGen

Series B in 2005
OpGen, Inc. is a precision medicine company focused on developing molecular diagnostics and informatics to address infectious diseases. Headquartered in Gaithersburg, Maryland, OpGen offers a range of products designed to provide clinicians with rapid and actionable information regarding life-threatening infections, ultimately aiming to enhance patient outcomes and reduce the spread of multidrug-resistant organisms (MDROs). Its key offerings include the Acuitas AMR Gene Panel, which detects bacterial nucleic acids and genetic markers of antimicrobial resistance, and the QuickFISH and PNA FISH products for pathogen identification in blood cultures. Additionally, OpGen provides the Acuitas Lighthouse informatics system, a cloud-based platform that integrates clinical lab results with patient and hospital data to support the management of antimicrobial-resistant infections. The company collaborates with the New York State Department of Health to develop solutions for detecting and tracking such infections in healthcare settings. Established in 2001, OpGen continues to innovate in addressing the critical challenge of antibiotic resistance through its advanced molecular microbiology solutions.

Zystor

Series A in 2004
ZyStor Therapeutics, Inc. is a privately-held biotechnology company focused on developing enzyme replacement therapies for lysosomal storage diseases. The company specializes in creating innovative replacement technologies that enhance the delivery of therapeutics designed to substitute for missing lysosomal enzymes. These therapies aim to address the needs of patients suffering from genetic disorders characterized by lysosomal storage dysfunction.

Mezzia

Series C in 2004
Mezzia, Inc. specializes in developing on-demand capital spending management solutions tailored for the healthcare industry. Founded in 1999 and headquartered in Indianapolis, Indiana, the company offers a web-based system that assists healthcare organizations in managing the entire capital cycle, including planning, budgeting, spending, and reporting. Mezzia's software also integrates services for facilities asset management and capital planning, providing comprehensive support for its clients in optimizing their capital expenditures.

AnVil Informatics

Series A in 2001
AnVil, Inc., a life sciences discovery company, provides in silico drug discovery and drug development solutions. The company specializes in exploring data sets in DNA microarrays, protein microarrays, cheminformatics, screening, and clinical trial data for pharmaceutical, biotechnology, genomics, and proteomics industries. It combines data mining, statistical analysis, and visualization methods to reveal information in data sets from healthcare and health insurance clients. The company also develops algorithms and tools that support the analysis of data, disease identification, and outcome measure definitions. AnVil, Inc. was formerly known as AnVil Informatics.

HyperEdge

Series B in 2000
HyperEdge Corporation specializes in designing and marketing loop management systems and access equipment tailored for local exchange carriers. The company’s flagship product, the UNELink loop management system, automates critical processes such as assignment, provisioning, testing, turn-up, and protection of local services, thereby addressing the challenges faced in scaling DSL networks without requiring technician dispatch. Additionally, HyperEdge offers T1-based broadband access products that enhance network interfaces at the edge of the local loop. Primarily serving large and medium-sized commercial customers, HyperEdge was founded in 1992 and is headquartered in Batavia, Illinois. It operates as a subsidiary of Westell Technologies, Inc.

Gala Biotech

Venture Round in 2000
Gala Biotech, established in 1996 and located in Middleton, Wisconsin, specializes in biopharmaceutical manufacturing and molecular biology. The company, which has grown to over 40 employees, including 16 PhDs, is known for its proprietary GPEx® technology, which facilitates the rapid creation of stable, high-expressing mammalian cell lines for various gene products. Originally focused on producing pharmaceutical proteins in the milk of transgenic cows, Gala has adapted its gene insertion technology to support the increasing demand for the discovery and stable expression of therapeutic proteins. This technology plays a crucial role in helping biotech researchers overcome the challenges associated with clinical development. To enhance its capabilities, Gala has established a 43,000 square-foot facility dedicated to GPEx®-based cell line development and cGMP-compliant protein production, reinforcing its commitment to meeting the needs of its biopharmaceutical partners.
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