Tonka Bay Equity Partners

Tonka Bay Equity Partners LLC is a private equity firm located in Minnetonka, Minnesota, established in 1998. The firm specializes in management buyouts, recapitalizations, mergers, acquisitions, and growth capital investments, focusing on lower middle market companies. It primarily targets small to medium-sized firms in highly-engineered niche manufacturing, business services, and value-added distribution sectors within the United States. Tonka Bay Equity Partners typically invests between $4 million and $10 million in companies that have an EBITDA ranging from $2 million to $10 million and annual revenues between $20 million and $50 million, with enterprise values up to $30 million. The firm does not engage in startup or turnaround situations and excludes investments in financial institutions, real estate companies, and retail industries. It provides various forms of junior capital and often seeks a majority stake in its portfolio companies, aiming to take a board seat to actively participate in their growth and development.

Craig Bunker

Senior Associate

Shawn Cappello

Director

Zach Huston

Director

Kam Kielhorn

Director

Jane King

CFO

Peter Kooman

Partner

Cary Musech

Founder and Managing Partner

Shane Slominski

Partner

Steve Soderling

Partner

Vince Thao

Associate

10 past transactions

Lightmart

Private Equity Round in 2025
LightMart, established in 1998 and based in Lake Zurich, Illinois, is a leading provider of commercial and industrial lighting products. The company specializes in a wide range of offerings, including light poles, commercial light fixtures, outdoor and roadway lighting, outdoor sports lighting, as well as brackets, adapters, bulbs, and ballasts. By providing a diverse selection of high-quality lighting solutions, LightMart caters to the specific needs of its customers, ensuring they can find the appropriate products for various applications.

Image Audiovisuals

Private Equity Round in 2024
Image Audiovisuals is a provider of comprehensive event services, specializing in audiovisual production for both live and virtual events. The company offers a wide range of services including audiovisual live event production, multimedia production, and systems integration for commercial and residential clients. Additionally, they facilitate hotel partnerships, manage virtual and hybrid meetings, and provide custom event set design and scenic production. Their expertise extends to conference recording, streaming services, and the development of virtual experience platforms. By focusing on effective event management and customer support, Image Audiovisuals aims to alleviate planning stress for clients while enhancing the overall event experience. Inquiries can be made through online applications or phone calls.

Corporate Technologies

Acquisition in 2023
Corporate Technologies is an Information Technology solutions firm.

Standard Locknut

Acquisition in 2022
Standard Locknut, LLC is a manufacturer of precision machined components primarily serving the automotive, aerospace and defense, heavy equipment, railroad, and gear manufacturing industries. Established in 1949 and located in Westfield, Indiana, the company specializes in producing a variety of products, including locknuts, adapter sleeves, lockplates, withdraw assemblies, lockwashers, pillow blocks, and seals. In addition to these items, Standard Locknut offers services such as contract precision machining and OEM development, as well as engineering and design support. The company also manufactures bearing housings and accessories tailored for the industrial bearing market, focusing on both standard and custom solutions. Standard Locknut operates as a subsidiary of Industrial Group Holdings, LLC.

Professional

Private Equity Round in 2021
Professional is a provider of first and third-party accounts receivable management services.

Orange Tree

Private Equity Round in 2021
Orange Tree Employment Screening is a leading provider of background screening and drug testing services with over 27 years of experience. The company specializes in technology-driven screening solutions that help businesses verify candidates' details efficiently and accurately. With a focus on building compliant screening programs and fostering long-term partnerships, Orange Tree aims to simplify the hiring process for its clients. Its user-friendly client and candidate portals, along with robust integrations, enhance candidate engagement and enable companies to fill open positions quickly.

NPI/Medical

Venture Round in 2015
NPI/Medical (www.npi-med.com) is a world class provider of New Product Introduction (NPI) capabilities. From prototype to production, they help accelerate speed-to-market. Operating from their 66,000 square-foot facility in Ansonia, CT, the Company’s capabilities include quick turn manufacturing for short runs, production injection molding for high volume programs, a full service tool room, and multiple clean rooms. NPI/Medical is also recognized for its expertise in medical clean room assembly, packaging and Liquid Silicone Rubber (LSR) capabilities.

United Skin Specialists

Private Equity Round in 2015
United Skin Specialists LLC (USS) offers practice management services specifically tailored for established dermatology offices. The company aims to support dermatology practices in enhancing their patient-focused services while fostering a positive work environment for healthcare providers and their staff. By providing a collaborative and customized approach to practice management, USS enables dermatology practitioners to maintain clinical independence and autonomy. The organization leverages economies of scale, industry expertise, and centralized administration to enhance operational efficiency and service delivery. Headquartered in the greater Minneapolis area, USS is committed to empowering dermatology practices to thrive in a competitive healthcare landscape.

Sierra Corporation

Private Equity Round in 2015
Sierra Corporation is a leading provider of custom industrial coatings in the United States and Canada. Sierra is a mid-sized company with the technical capabilities of the largest in our industry. This allows us to deliver cutting-edge technology with detailed and personal service. With over 40 years of business working with all types of coatings, we have some of the most experienced chemists and technicians in the industry. Manufactured in the Midwest, Sierra's coatings are distributed throughout the nation and shipped world-wide.

NuSource Financial

Acquisition in 2015
NuSource Financial has been providing innovative ATM and Security Solutions to Financial Institutions since 1999. Today their team of over 80 dedicated employees delivers world class services and products to over 600 financial institutions across a 19 state region. Their core values of integrity, a sense of urgency and teamwork are at the heart of everything they do. They truly care about their customers and take pride in developing lasting partnerships that enhance the customer experience. They listen closely to your needs and have developed innovative “go-to” market solutions that meet your specific requirements. At NuSource, their company culture is based on working in a positive team environment with a communal goal of enhancing the customer experience. They reward their team for finding ways to do so.
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