Summer Street
Private equityOrchard Park Β· Growth Β· 1 people tracked
Also known as Summer Street Capital Partners, Llc
Find your way into Summer Street
Investment thesis
Summer Street invests equity capital alongside committed leaders, ensuring key managers hold meaningful equity stakes in the business. Its capital typically supports buyout transactions, growth financing, recapitalizations, family transitions, and corporate divestitures. Beyond capital, the firm positions itself as a hands-on partner, offering operational resources such as organizational development, customer satisfaction improvement, lean manufacturing, and executive coaching. Portfolio companies also gain access to the firm's networks of industry experts, thought leaders, talent recruiters, and potential target customers, helping them pursue ambitious growth goals across the United States and Canada.
Source: firm website, verified Sep 15, 2026.
Team Β· 1 people
from the firm's websiteWhat they invest in
from 16 of 20 portfolio companiesAdvanced Manufacturing Γ9Circular Economy Γ7Hardware Γ7Cleantech Γ6Logistics & Supply Chain Γ4Consumer Γ3Healthtech Γ3Energy Γ2
HQs:United StatesΓ14
Investments Β· 20 tracked
founders shown can be your intro pathInterstate Waste Services (IWS) provides solid waste collection, hauling, transfer, recycling, and landfill/disposal services for commercial and municipal customers across the New York City boroughs, New Jersey, Pennsylvania, and lower New York State.
Circular EconomyCleantechEnergyLogistics & Supply ChainTeaneck, US
Mike DiBella(Founder & CEO)Jack Perko(Executive Officer)inBrian Giambagno(Executive Officer)inJamie Gollotto(President)inThomas Farinaro(Executive Vice President of Operations)Michael Kinnard(Chief Financial Officer)in
Action Environmental Services is a commercial waste hauler providing garbage collection, dumpster rental, recycling, and disposal services to businesses, construction firms, and institutions across New York City's five boroughs.
Circular EconomyCleantechLogistics & Supply ChainNew York City, US
Apple Valley Waste is a waste management and recycling company that serves residential, commercial, and industrial customers across multiple states in the United States.
Circular EconomyCleantechLogistics & Supply ChainWest Virginia, US
Carolina Skiff manufactures recreational boats designed for fishing and family use, with 27 models featuring durable fiberglass construction and shallow-draft capabilities.
Advanced ManufacturingConsumerHardware
Coastal Waste provides solid waste collection, disposal, and recycling services for homeowners, haulers, and developers.
Circular EconomyCleantech
Brendon Pantano(Founder & CEO)in
Provides medical waste disposal services and products, including containers for sharps, regulated medical waste, universal waste, and unused medications, plus mail-back kits.
Circular EconomyHealthtech
Frontier Waste Solutions operates waste collection and recycling services for municipalities across Texas, including refuse, yard waste, and recyclables.
Circular EconomyCleantechLogistics & Supply ChainDallas, US
John Gustafson(Founder, President & CEO)in
Graphic Controls (now part of Nissha Medical Technologies) manufactures precision printed and consumable products for industrial monitoring and medical applications, including data recording systems for drilling and exploration.
Advanced ManufacturingHardwareMedical DevicesNew MaterialsBuffalo, US
Halco Lighting Technologies manufactures energy-efficient lighting products including lamps, ballasts, and fixtures for the electrical industry.
Advanced ManufacturingEnergyHardware
Wamesit Lanes is a 45,000-square-foot family entertainment center in Massachusetts featuring 36 bowling lanes, laser tag, arcade games, mini-golf, and an on-site restaurant.
Advanced ManufacturingConsumerGamingHardwareSports TechTewksbury, US
Latham Pool manufactures fiberglass swimming pools for residential use, including the Astoria series featuring built-in spas and customizable finishes.
Advanced ManufacturingConsumerHardwarePropTech
Oak Ridge Waste & Recycling provides commercial waste services, residential garbage pickup, rolloff dumpster rental, and transfer station services to residents and businesses.
Circular EconomyCleantech
Praxis Companies manufactures acrylic and fiberglass bathtub and shower units for residential, assisted living, designer showroom, and commercial markets.
Advanced ManufacturingConstruction Tech
Other
Tracked investments with no reachable website or further public details β typically companies that wound down, renamed, or were absorbed.
Curtis Bay Medical Waste ServicesDwellworksICE (Innovative Concepts in Entertainment)Websitetestlink
Fund performance Β· per public LP disclosures Β· 3
as of Mar 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Summer Street Capital III, LPLPs: Empire State Development β New York Ventures | 2012 | β | β | 1.49x | 1.41x |
| Summer Street Capital NYS Fund III, LPLPs: Empire State Development β New York Ventures | 2012 | β | β | 2.23x | 2.22x |
| Summer Street Capital NYS Fund II, LPLPs: Empire State Development β New York Ventures | 2006 | β | β | 0.66x | 0.65x |
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 Summer Street made?
- Summer Street has 20 tracked investments.
- What stage does Summer Street invest at?
- Summer Street invests at the Growth stage.
- What sectors does Summer Street focus on?
- Summer Street focuses on Advanced Manufacturing, Circular Economy.
- Where is Summer Street located?
- Summer Street is headquartered in Orchard Park, US.
- Does Summer Street lead rounds?
- Yes, Summer Street leads investment rounds.
Similar investors
Honda Innovations is Honda's global corporate venturing and open innovation arm, operating the Honda Xcelerator Ventures program to partner with, co-develop and invest in startups building the carbon-neutral future of mobility.
Giant Ventures is a venture capital firm investing in technology that transforms civilization's foundational systems across sectors including AI, energy, materials, industry, work, finance, biology and healthcare.
Emerald Technology Ventures is a venture capital investor focused on complex, cutting-edge technologies, supporting entrepreneurs at the frontier of scientific and industrial innovation.
ArcTern Ventures is a venture capital firm investing in entrepreneurs building technology solutions to climate change and sustainability challenges.
Eni Next is the corporate venture capital arm of Eni, the integrated energy company, investing in early-stage startups and follow-on rounds to integrate corporate research with open innovation.