/Investor DB

Thompson Street Capital Partners — Full Portfolio

70 tracked investments · listed companies and verified rows first

Marmicmarmicfire.comin✓ verified

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

PKWAREpkware.comin𝕏✓ verified

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

Allied 100allied100.cominacquired by Sarnova

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

BioIVTbioivt.com

Biospecimens and other products for drug discovery and development

Co-investorsArsenal

Connecticut Electricconnecticut-electric.comin

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

Controlscancontrolscan.com𝕏Jun 2016acquired by VikingCloud (Sysnet Global Solutions)

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 Engineeringdomailleengineering.comin

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 Clinical Researchfirmaclinicalresearch.comin𝕏

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 & Steakburgersfreddys.com

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 Services Grouphealthcarelinensg.comin

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

Intellivointellivo.comin

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

Isto Biologicsistobiologics.comin

Leading orthobiologics and regenerative MedTech company

Co-investorsEscalate Capital PartnersKeensight Capital

Lumiverolumivero.comin

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

Made4Netmade4net.comin𝕏

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

Media Radarmediaradar.comSep 2014

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

OpenClinicaopenclinica.comin

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 Holdings, LLCpestcoholdings.comin

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

RecruitMilitaryrecruitmilitary.comin

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

Silverchairsilverchair.comin𝕏Aug 2022

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 Softwaretabs3.com

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

Tierpointtierpoint.comin𝕏

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

WeVideowevideo.comin𝕏

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.