/Investor DB

Summer Street

Private equity

Orchard Park · Growth · 8 people tracked

Also known as Summer Street Capital Partners, Llc

Find your way into Summer Street

Sign up to see every warm intro you have to Summer Street

  • Paths you didn't know you had: your email and LinkedIn already hold routes to the Summer Street team. We find them for you
  • 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
  • Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

✨ Fox Verdict
Sign up to see your fit

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 29, 2026.

Stage
Growth
HQ
Orchard Park, US
Leads rounds
Leads
Instruments
Equity
AUM
$134.1M
Tracked investments
20

Team · 8 people

from the firm's website

What they invest in

from 16 of 20 portfolio companies

Advanced Manufacturing ×9Circular Economy ×7Hardware ×7Cleantech ×6Logistics & Supply Chain ×4Consumer ×3Healthtech ×3Energy ×2

HQs:United States×14

Investments · 20 tracked

founders shown can be your intro path
Interstate Waste Servicesinterstatewaste.comin𝕏✓ verified

Interstate 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

Co-investorsIronwood CapitalLittlejohn

Action Cartingactioncarting.comin𝕏

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

Co-investorsIronwood Capital

Apple Valley Wasteapplevalleywaste.comin

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 Skiffcarolinaskiff.com𝕏

Carolina Skiff manufactures recreational boats designed for fishing and family use, with 27 models featuring durable fiberglass construction and shallow-draft capabilities.

Advanced ManufacturingConsumerHardware

Co-investorsRand Capital

Coastal Wastecoastalwasteinc.comin

Coastal Waste provides solid waste collection, disposal, and recycling services for homeowners, haulers, and developers.

Circular EconomyCleantech

Brendon Pantano(Founder & CEO)in

Curtisbaymwscurtisbaymws.com

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 Solutionsfrontierwaste.comin

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

Co-investorsConcentric

Graphic Controlsgraphiccontrols.comin

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 Lightinghalcolighting.comin𝕏

Halco Lighting Technologies manufactures energy-efficient lighting products including lamps, ballasts, and fixtures for the electrical industry.

Advanced ManufacturingEnergyHardware

Icegameicegame.com

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

IRA Greeniragreen.com𝕏

Ira Green manufactures and distributes military uniform items, decorations, medals, insignia, and tactical products for armed forces worldwide.

Advanced ManufacturingDefense TechE-commerceProvidence, US

Latham Pool Productslathampool.comin

Latham Pool manufactures fiberglass swimming pools for residential use, including the Astoria series featuring built-in spas and customizable finishes.

Advanced ManufacturingConsumerHardwarePropTech

Co-investorsLittlejohn

Multisorbmultisorb.comin

Multisorb develops and manufactures moisture and oxygen control solutions, including desiccants and oxygen absorbers, for packaging applications in healthcare, pharmaceutical, industrial, and military sectors.

Advanced ManufacturingHardwareHealthtechNew Materials

Oak Ridge Wasteoakridgewaste.comin𝕏

Oak Ridge Waste & Recycling provides commercial waste services, residential garbage pickup, rolloff dumpster rental, and transfer station services to residents and businesses.

Circular EconomyCleantech

Co-investorsLittlejohn

Praxis Companiespraxiscompanies.com

Praxis Companies manufactures acrylic and fiberglass bathtub and shower units for residential, assisted living, designer showroom, and commercial markets.

Advanced ManufacturingConstruction Tech

Reichertreichert.comin

Reichert manufactures diagnostic devices for eye care, including tonometers, refraction systems, and acuity charts used by ophthalmologists, optometrists, and veterinary professionals.

Advanced ManufacturingHardwareHealthtechMedical DevicesBuffalo, US

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Curtis Bay Medical Waste ServicesDwellworksICE (Innovative Concepts in Entertainment)Websitetestlink

Fund performance · per public LP disclosures · 3

as of Mar 2025
FundVintageCommittedNet IRRTVPIDPI
Summer Street Capital III, LPLPs: Empire State Development – New York Ventures2012——1.49x1.41x
Summer Street Capital NYS Fund III, LPLPs: Empire State Development – New York Ventures2012——2.23x2.22x
Summer Street Capital NYS Fund II, LPLPs: Empire State Development – New York Ventures2006——0.66x0.65x

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.
Who does Summer Street co-invest with?
Summer Street most often shares deals with Ironwood Capital, Littlejohn, Graycliff Partners, among 4 tracked co-investors.

Similar investors

Featured in lists