Thompson Street Capital Partners — Full Portfolio
70 tracked investments · listed companies and verified rows first
Marmicfire is a fire and safety systems provider offering inspection, maintenance, installation, and training services for fire protection and safety equipment including extinguishers, sprinklers, alarms, suppression systems, surveillance, and access control.
Construction TechEnterprise SoftwareHealthtech
Co-investorsHGGC
PKWARE provides a data security platform that helps organizations discover, classify, and protect sensitive information across endpoints, servers, databases, cloud environments, and mainframes.
AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareMilwaukee, US
Phil KatzSpencer Kupferman(Chief Executive Officer)in
Co-investorsTA Associates
Cardio Partners is a national distributor of automated external defibrillators (AEDs) and emergency preparedness solutions, offering AED sales, maintenance, CPR training, and program management services for businesses and organizations.
Enterprise SoftwareHardwareHealthtechMedical Devices
Co-investorsMidwest Mezzanine FundsRidgemont Equity
Connecticut Electric supplies electrical products and services to residential and commercial customers with a focus on economical and rapid delivery.
Advanced ManufacturingConstruction TechEnergyHardwareConnecticut, US
Co-investorsMidwest Mezzanine Funds
VikingCloud provides cybersecurity and compliance solutions designed to protect businesses and their locations.
AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSaaSAlpharetta, US
Joan Herbig(Executive Officer, Director)John Fasano(Executive Officer)in
BoardSean Banks(Director)inTom Roberts(Director)Mark Johnson(Director)inMark Godschalk(Director)
Co-investorsEscalate Capital PartnersTTV Capital
Domaille Engineering manufactures ultra-precision fiber optic polishing equipment and fixtures for telecommunications manufacturers, featuring proprietary technology that reduces polishing time and extends tool life.
Advanced ManufacturingDeep TechHardware
Co-investorsStellus Capital Management
Firma is a contract research organization that supports clinical trials with decentralized trial capabilities, biometric monitoring, and in-home patient visits.
BiotechDigital HealthHealthtechMedical Devices
Co-investorsNorthlane Capital Partners
Freddy's Frozen Custard & Steakburgers operates a fast-casual restaurant chain serving made-to-order steakburgers and frozen custard.
B2B MarketplacesConsumerFoodTechWichita, US
Bill Simon(Co-founder)inRandy Simon(Co-founder)Scott Redler(Co-founder)
Healthcare Linen NSG provides rental linen and patient apparel services to hospitals, including bed linens, patient gowns, towels, and cleaning products, with all items processed in-house through their facilities.
HealthtechLogistics & Supply ChainNew York, US
Joseph LaPorta(CEO)in
Co-investorsSterling GroupSeaport Capital
Intellivo provides health plan subrogation services for employers and health plans, helping recover costs and protect plans while maintaining member experience.
AI & Machine LearningEnterprise SoftwareFintechHealthtechInsurTechSaaS
Co-investorsSandbox Industries
Leading orthobiologics and regenerative MedTech company
Co-investorsEscalate Capital PartnersKeensight Capital
Lumivero provides the DecisionTools Suite, an integrated collection of programs for risk analysis and decision-making under uncertainty that integrates with Microsoft Excel.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaS
Gareth Morrison(Chief Executive Officer)
Co-investorsTA Associates
Made4Net provides omnichannel fulfillment software that unifies inventory management and order execution across retail channels, warehouses, and digital storefronts.
Cloud ComputingE-commerceEnterprise SoftwareLogistics & Supply ChainRetail TechSaaS
Duff Davidson(Chief Executive Officer)inLonny Avital(Senior EVP for Special Projects)inJean David Benkimoun(CTO & GM – EMEA & APAC)inChipper Farley(President of 3PL Solutions)inAmit Levy(EVP of Sales and Strategy)inChitra Mohamed(EVP of Finance)in
Co-investorsIngka Investments
MediaRadar provides advertising intelligence covering competitive media spend, campaigns, and creative strategies across digital and traditional channels in North America.
AdTechData & InfrastructureMarketing TechNew York, US
Todd Krizelman(Executive Officer, Director)Jesse Keller(Executive Officer, Director)
BoardScott Friend(Director)inWeston Gaddy(Director)
Co-investorsBain Capital VenturesBain CapitalFounder CollectiveFrontier Growth
OpenClinica eConsent is a digital consent platform for clinical trials that enables participants to review and electronically sign informed consent forms using media-rich content on any device.
BiotechDigital HealthEnterprise SoftwareHealthtechMedical DevicesSaaS
Joe Keremian(Founder)in
PestCo is a holding company that acquires and operates a portfolio of pest control companies across the United States, providing residential and commercial pest control services.
B2B MarketplacesConsumer
RecruitMilitary connects employers with transitioning service members, veterans, and military spouses through hiring events, recruitment marketing, and hiring technology.
B2B MarketplacesEnterprise SoftwareFuture of WorkGovTechHR TechMarketplacesSaaS
Tim Bestin
Co-investorsFour Rivers Group
Silverchair provides software and services for scholarly publishers, including the Silverchair Platform for content management and the ScholarOne Manuscripts product for manuscript management.
Data & InfrastructureEnterprise SoftwareMedia & EntertainmentSaaSCharlottesville, US
Will(CEO)
Tabs3 is a legal and business technology platform that integrates with a vetted network of partners to support billing, compliance, document control, payments, payroll, and practice operations for law firms.
Enterprise SoftwareFintechLegalTechSaaS
TierPoint operates state-of-the-art data centers across the United States focused on energy-efficient operations and sustainable business practices.
Cloud ComputingCybersecurityData & InfrastructureEnergyEnterprise SoftwareDallas, US
Jerry Kent(Chairman and CEO)in
Co-investorsCharterhouse Strategic PartnersRedBird Capital PartnersTA Associates
WeVideo is an interactive video learning platform that enables students and professionals to create, edit, and collaborate using video content.
AI & Machine LearningCreator EconomyEdTechMedia & EntertainmentSaaSOslo, NO
Rob Sparks(Chief Strategy Officer)in
Co-investorsKeiretsu Forum
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Absolute BiotechAlliedAllyantAlpaca AudiologyAnalytical Lab GroupAssembly & Test WorldwideATISBarcodesIncBcc Software LlcBCM OneBroadcast ElectronicsBubbakoo’s BurritosComplus Data Innovations IncCustom Wheel House LlcData Dimensions LlcDCL Medical LaboratoriesDDC SolutionsExpress Oil Change & Service CenterFocusVisionGlobal Software IncGovSpendGreen MountainGreen Mountain Technology LlcGurobi Optimization LlcInfinity Behavioral Health ServicesIracore InternationalIron DataKarpelKeleLTP Home Services GroupNational Arbitration & MediationOption 1 Healthcare SolutionsPulse Veterinary Technologies LlcReceivables Management PartnersRevenue Management SolutionsSabai GlobalSavillex CorporationStayLock StorageTacoma Electric SupplyThe Payment GroupThermonTransnetyx IncUniversal Air FilterVaddioVector LaboratoriesVetio Animal HealthWaddington North AmericaZymeFlow Decon Technology
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.



































