Mason Wells
Private equityMilwaukee · Growth · 22 people tracked
Investment thesis
Mason Wells is a private equity firm concentrated on the U.S. Midwest, with a track record spanning more than 25 years. It seeks to create lasting value by prioritizing people, and it partners with companies across areas such as outsourced business services, packaging materials and converting, and engineered products and services. The firm supports growth through strategic acquisitions, geographic and service-line expansion, and organic initiatives, as reflected in its portfolio of investments.
Source: firm website, verified Aug 25, 2026.
Team · 22 people
from the firm's websiteWhat they invest in
from 20 of 47 portfolio companiesAdvanced Manufacturing ×13Hardware ×6Consumer ×4New Materials ×4Construction Tech ×2IoT ×2Logistics & Supply Chain ×2Medical Devices ×2
HQs:United States×8
Investments · 47 tracked
founders shown can be your intro pathProvider of dry bulk transportation, packaging, distribution, and logistics solutions to chemical and plastic industry companies.
Accord Carton is a folding carton packaging manufacturer operating since 1940, handling design, production, and delivery of finished cartons.
Advanced ManufacturingNew Materials
Provider of residential and commercial water treatment equipment including softening, purification, and disinfection systems.
Manufacturer of identification and serialization labeling solutions for regulated applications and harsh environments.
Armis provides durable label solutions, from stock to fully customized labels, serving industries such as electronics, specialty chemicals, energy, industrial manufacturing, medical devices, and logistics.
Advanced ManufacturingLogistics & Supply ChainIngleside, US
AWT Label & Pack presents itself as a company focused on solving customer problems through innovation, with content referencing microfluidics applications.
Advanced Manufacturing
Buffalo Games makes US-manufactured jigsaw puzzles for adults, kids, and families, offering a range of piece counts, artist collections, licensed series (such as Marvel and Star Wars), and themed puzzles.
ConsumerE-commerceGaming
Calvary Industries formulates and produces blended process chemicals including industrial cleaners, conversion coatings, metalworking fluids, and waste treatment chemistries, and also blends, packages, and processes customer-owned products to specification.
Advanced ManufacturingNew Materials
Manufacturer of custom single and barrier layer polyethylene films for flexible packaging applications.
Manufacturer of thermocouple products for high-temperature aerospace, defense, and power generation environments.
Cleveland Electric Laboratories manufactures high-temperature thermocouples, industrial temperature sensors, and instrumentation for measuring extreme heat, pressure, and strain, including MgO, ceramic, platinum, and noble metal thermocouples.
Advanced ManufacturingHardwareIoT
Converter of flexible packaging products for office, pet food, consumer staple, industrial, and specialty markets.
Designer, printer, and converter of paper partyware such as napkins, plates, bowls, and cups.
Manufacturer of custom thermoformed plastic packaging and extruder of plastic sheet for food and consumer markets.
Dedicated Computing designs and manufactures certified embedded computing platforms and rack servers for original equipment manufacturers (OEMs) building mission-critical devices in fields such as medical/lab diagnostics, training, and industrial operations.
Advanced ManufacturingHardwareIoT
Co-investorsMcNally Capital
Calypso produces flavored lemonades and limeades made with real lemon bits and natural flavors, served in glass bottles.
ConsumerFoodTech
EastPoint designs home recreational games and products for consumers, including cornhole, billiards, darts, badminton, and arcade-style games.
ConsumerSports Tech
Processor of beef, pork, and poultry products including cooked, marinated, cured, and frozen meats.
Manufacturer of precision-machined components for diesel engines and fuel injection systems.
Provider of mortgage loan settlement services and mortgage fulfillment connectivity software.
Provider of T1-based broadband access equipment for last-mile telecommunications networks.
Provider of engineering, furnishment, and installation services to the telecommunications industry.
Keystone provides forensic engineering evaluations, on-site property loss inspections, and investigative reports through a nationwide network of qualified engineers, along with accredited educational sessions for claims professionals.
Construction TechInsurTech
Manufacturer and marketer of the Calypso brand of flavored lemonades and limeades.
Global supplier of injection molded plastic components, tooling, and equipment for the healthcare market.
Manufacturer of thermoformed packaging trays, clamshells, and cups for the food industry.
Nelipak designs and manufactures custom flexible and rigid healthcare packaging for medical device and pharmaceutical companies, along with services such as cleanroom manufacturing, sterilization, validation, and design/prototyping to support regulatory compliance.
Advanced ManufacturingMedical DevicesNew Materials
Business process outsourcing provider focused on accounts receivable management and collections.
Manufacturer of fluid power components, hydraulic pumps, valves, motors, and meters.
Provider of medical packaging, foodservice meal packaging, and niche food processing equipment.
Onyx Brands offers personal care and beauty products, including a gentle acetone-free nail polish remover, nail-strengthening moisturizer, and foot exfoliation treatments.
ConsumerDirect to ConsumerWellness & Fitness
Manufacturer of K-6 educational arts and crafts and fine art products, with brands including Tru-Ray and Fadeless.
IT integrator providing hardware, software, and services to healthcare, government, education, and corporate sectors.
Designer and developer of branded beauty and bath accessories for mass, drug store, and specialty beauty channels.
Co-investorsAea Investors
Manufacturer of thermoset composite molding compounds and custom molded composite parts.
Non-asset-based third-party logistics provider specializing in warehousing and multi-vendor consolidation.
Provider of outsourced electrical power engineering, testing, and maintenance services to utility and industrial clients.
Designer and manufacturer of rigid plastic packaging including blow molded containers and injection molded closures.
Provider of retail logistics for consumer packaged goods companies supplying traditional and e-commerce retailers.
RJW is a third-party logistics (3PL) provider offering warehousing, trucking, and data analytics for suppliers of Consumer-Packaged Goods (CPG), moving products from customer locations to retailer distribution and e-commerce fulfillment centers.
Logistics & Supply ChainRetail Tech
Structural Concepts designs and manufactures refrigerated and heated food display merchandisers for commercial foodservice and retail operators, including cashier-less transactional display systems.
Advanced ManufacturingHardwareRetail Tech
SWAT Environmental (Soil, Water, and Air Technologies) provides radon mitigation services for homes and workplaces, installing radon reduction systems for residential and commercial customers.
CleantechConstruction Tech
Fund performance · per public LP disclosures
as of Sep 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Mason Wells IIILPs: Teachers' Retirement System of Oklahoma | 2010 | — | 20.6% | 3.02x | 3.02x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- How many investments has Mason Wells made?
- Mason Wells has 47 tracked investments.
- What stage does Mason Wells invest at?
- Mason Wells invests at the Growth stage.
- What sectors does Mason Wells focus on?
- Mason Wells focuses on Advanced Manufacturing, Energy, Logistics & Supply Chain, New Materials.
- Where is Mason Wells located?
- Mason Wells is headquartered in Milwaukee, US.
Images
Similar investors
Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.
Eclipse is a venture firm that backs entrepreneurs building companies in the physical and essential economy — industries tied to resilience, competitiveness, and security.
NIO Capital is an investment firm focused on the transformation toward digitalization and decarbonization, targeting innovations that contribute to worldwide carbon reduction.
Africa Finance Corporation (AFC) is a pan-African development finance and infrastructure investment institution that de-risks projects, manages funds and deploys capital across the project lifecycle to close Africa's infrastructure gap.
Carat Venture Partners is a deep-tech venture capital firm that invests in and partners with startups and large brands to build sustainable industrial technologies.




























