Organization · Private Equity
Stonebridge Partners
Stonebridge Partners is an operations-oriented private investment firm based in White Plains, New York, focusing on middle-market manufacturing, service, and distribution businesses.
Overview
What Stonebridge Partners does
What Stonebridge Partners is
Stonebridge Partners is an operations-oriented private investment firm based in White Plains, New York, focusing on middle-market manufacturing, service, and distribution businesses.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Private Equity
- Founded
- Founded in 1986
- Approximate age
- About 40 years
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Stonebridge Partners elsewhere
Open the official website or a supported primary organization account.
Capability profile
Stonebridge Partners as a funder
Investment thesis
Stonebridge Partners invests in middle-market companies with a focus on operational excellence. The firm collaborates closely with management teams to support their vision and growth strategies.
Focus narrative
Stonebridge Partners invests in middle-market companies across various sectors, including manufacturing, service, and distribution. The firm emphasizes operational excellence and collaborates closely with management teams to support their vision and growth strategies.
Focus and fit
- Regions
- North America
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 78
Portfolio context
Notable current portfolio companies include: CVM Electric: A full-service electrical design and installation contractor. Architectural Polymers: Manufacturer and designer of architectural urethane and plastic formliners used in concrete construction. MetalForming, Inc.: Exclusive North American distributor and provider of services, parts, and software for European-designed metal forming equipment. North American Formworx: A company specializing in concrete formwork and shoring equipment design and rental. Paramount Mechanical Corporation: A provider of design, installation, and maintenance services for complex mechanical, HVAC, electric, and plumbing systems. Trivium Packaging: The largest manufacturer of shaped aluminum containers in the world.
Common questions
What to know about Stonebridge Partners
Upseed classifies Stonebridge Partners under the Private Equity organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.