/Investor DB

Heartwood — Full Portfolio

67 tracked investments · listed companies and verified rows first

Amlon Groupamlongroup.comin✓ verified

Amlon Group provides waste and materials management solutions including recycling, reclamation, and repurposing of industrial byproducts to help customers reach sustainability objectives.

Circular EconomyCleantechNew Materials

Aftermarket Performance Groupaftermarketperformancegroup.com

Aftermarket Performance Group operates a vertically-integrated portfolio of automotive aftermarket companies combining wholesale distribution, e-commerce platforms, and manufacturing.

Advanced ManufacturingE-commerceMobility & Transportation

Allentown Inc.allentowninc.comin𝕏

Allentown designs and manufactures laboratory equipment for washing and drying animal cages, racks, bottles, and related research facility supplies.

Advanced ManufacturingBiotechHardwareHealthtechAllentown, US

Michael A. Coiro Sr.

Americanamericanleather.com𝕏

American Leather manufactures accent chairs and furniture available in various leather and fabric options for residential living spaces.

Advanced ManufacturingCircular EconomyConsumerDirect to ConsumerDallas, US

Co-investorsPrelude Ventures

Artisant Laneartisantlane.comin

Artisant Lane designs and manufactures curated high-end custom furniture for residential and contract markets, operating a portfolio of distinct furniture brands with US manufacturing facilities.

Advanced ManufacturingConsumerE-commerce

Brian Golden(CEO)inWalt Hammond(COO)inJulio Wong(CHRO)inRussell Towner(President, LEE Industries)Dan Campbell(President, BenchMade Modern)inJustin Emig(CTO)in

benchmadebenchmademodern.com𝕏

BenchMade Modern manufactures custom upholstered furniture, including sofas and other pieces, with an emphasis on handcrafted quality and design.

ConsumerDirect to Consumer

Co-investorsGeekdom

BluWavebluwave.netinFeb 2017

BluWave operates a platform that connects private equity firms and their portfolio companies with vetted third-party service providers, independent consultants, interim executives, AI advisors, and senior advisors, typically within 24 hours.

AI & Machine LearningB2B MarketplacesFintechBrentwood, US

Sean E. Mooney(Chief Executive Officer)in

Co-investorsHighmount

Breen Color Concentrates, LLCchromacolors.comin𝕏

Chroma Color is a plastics color compounding company that develops and manufactures color concentrates and masterbatches for engineered thermoplastics used across various industrial applications.

Advanced ManufacturingNew MaterialsAsheboro, US

Joe Herres(Chief Executive Officer)inGary Buckland(Vice President of Operations)Peter Gallagher(Vice President, Sales & Marketing)in

Co-investorsArsenal

Brooklinebrooklinefurniture.com

Brookline Furniture manufactures custom guest room and public space furniture for hospitality clients worldwide, emphasizing quality craftsmanship and on-time delivery over a 35+ year operating history.

Advanced ManufacturingHardwareBrookline, US

Bush Brothers Provision Co.bush-brothers.cominDec 2023

Bush Brothers is a family-run provision company that supplies custom-aged, trimmed beef, lamb, veal, pork, poultry, and other proteins to fine restaurants, five-star hotels, and clubs.

FoodTech

ChromaScapechromascape.comin

ChromaScape manufactures colorants and additives for the plastics industry and other applications, operating multiple production and distribution facilities across the United States.

Advanced ManufacturingNew MaterialsTwinsburg, US

JOSEPH MAJEWSKI(CEO AND PRESIDENT)

BoardMICHAEL D. MODAK(MANAGER)ROBERT TUCKER(MANAGER)inMARK LANGER(MANAGER)EDWIN TAN(MANAGER)in

CMI Limited, Co.cmilc.comin

CMI provides cut-off and containment solutions using sheet piling for remediation projects at contaminated sites, including EPA and SUPERFUND projects in the U.S. and internationally.

Advanced ManufacturingCleantechClimate TechConstruction TechNew Materials

Derby Fabricating Solutions, LLCderbyfab.com

Derby manufactures and ships precision parts at scale, serving automotive and industrial customers with IATF 16949-certified quality systems.

Advanced ManufacturingHardwareNew MaterialsLouisville, US

Fintube, LLCetechheatrecovery.comin𝕏

E-Tech Heat Recovery Systems designs and manufactures custom, engineered-to-order economizers, condensing economizers, waste-heat boilers, heaters, and heat-exchanger components that let industrial, institutional, and utility customers capture and reuse waste heat.

Advanced ManufacturingCleantechEnergyHardwareTulsa, US

Flavorsealflavorseal.comin

Flavorseal manufactures food packaging supplies including flexible packaging films, netting, seasoning transfer products, and accessories for the food service and processing industries.

Advanced ManufacturingFoodTechNew Materials

Fletcher Business Groupfletcher-terry.com𝕏

Fletcher Business Group is a global manufacturer of cutting, joining, and automation equipment and consumables serving picture framing, sign and graphics, woodworking, and related industries.

Advanced ManufacturingHardwareEast Berlin, US

Fred S. FletcherSamuel MonceO.M. Pike

FTSpeedftspeed.com𝕏

FTSpeed sells automotive performance parts and provides expert advice for autosports enthusiasts, including daily drivers, autocrossers, and HPDE competitors.

ConsumerE-commerceMobility & TransportationRetail Tech

Gcipeawardsgcipeawards.com

GCI PE Awards runs an awards program recognizing private equity firms and executives in the middle market, including the "Top 50 PE Firms in the Middle Market" recognition.

FintechMedia & Entertainment

Gcipublishinggcipublishing.com

GCI Publishing operates a content-driven network and digital publications serving the financial industry, including private equity firms, venture capital investors, and investment banks.

FintechMedia & Entertainment

High Bar Brandshighbarbrands.comin

BettsHD manufactures mud flap hangers, metal and poly fenders, mounting brackets, and replacement parts engineered for road conditions.

Advanced ManufacturingConsumerHardwareMobility & TransportationRetail TechCambridge, US

Co-investorsSentinel Capital Partners

Imprimus Label & Packagingimprimus.com

Imprimus manufactures expanded content labels (ECLs) and booklet labels for consumer product packaging, enabling brands to display advertising, branding, and regulatory information across multiple panels.

Advanced ManufacturingNew MaterialsGardena, US

Linen Holdings, LLCharborlinen.comin

1Concier (formerly Harbor Linen, formed from the merger of Riegel Linen, T-Y Group, and Harbor Linen) is a wholesale supplier of commercial linens and terry products serving hotels, resorts, casinos, healthcare facilities, commercial laundries, and cruise lines.

B2B MarketplacesE-commerceRetail Tech

Littlestarplasticslittlestarplastics.com𝕏
Lone Star Beef Processors, LPlonestarbeef.net

A beef supplier offering lean trimmings, specialty cuts, and Black Angus beef products.

Advanced ManufacturingFoodTechSan Angelo, US

M&Q Holdings, LLCmqholdings.com

M&Q Holdings develops custom engineered materials and flexible packaging solutions, including complex film extrusion, value-added labels, and integrated packing and supply chain services.

Advanced ManufacturingLogistics & Supply ChainNew MaterialsLimerick, US

MicroCaremicrocare.comin𝕏Aug 2025

MicroCare formulates specialized cleaning, coating, and lubricating fluids for electronics manufacturing, medical device production, fiber optic installation, aerospace and defense, semiconductor fabrication, and healthcare facilities.

Advanced ManufacturingHardwareHealthtechMedical Devices

Co-investorsBlue Sea Capital

Minimizerminimizer.comin𝕏

Minimizer manufactures custom-fit floor mats for semi-trucks and commercial vehicles across multiple brands and models.

Advanced ManufacturingHardwareLogistics & Supply ChainMobility & Transportation

Mqplasticsmqplastics.com

M&Q Packaging manufactures specialized plastic films and bags, including vacuum bagging films for composites, sterilization films for medical/dental applications, solvent recovery liners, and modified atmosphere packaging (MAP) films for fresh produce.

Advanced ManufacturingHardwareHealthtechMedical DevicesNew Materials

NativeSeed Groupnativeseedgroup.cominMar 2023

NativeSeed Group is a network of regionally-focused native seed companies that supplies seeds and erosion control solutions for ecological restoration, reclamation, and agricultural projects across North America.

AgTechClimate TechImpact & Social GoodWinters, US

Outlookgroupoutlookgroup.comin

Outlook Group is a single-source printing and packaging provider offering labels, flexible packaging, folding cartons, and integrated packaging solutions with a focus on sustainable options.

Advanced ManufacturingCircular EconomyNeenah, US

Premierpremier-mfg.comin𝕏

Premier Manufacturing designs and produces pintle hitch couplings for towing applications, offering a range of models rated for light-duty through heavy-duty gross trailer weights up to 150,000 lbs.

Advanced ManufacturingHardwareLogistics & Supply ChainMobility & Transportation

Bill Blacklawin

Co-investorsAres

RallySportrallysportdirect.com𝕏

RallySport Direct is an e-commerce retailer of automotive parts and accessories for import car enthusiasts, particularly focused on Subaru, Honda, and Toyota models.

ConsumerE-commerceRetail TechSports Tech

Jeff(COO)Jonathan(Director of Operations)

RDCrdcoatings.comin

RDC Coatings (formerly R&D Coatings) formulates and manufactures custom energy-cured coatings, including UV, Excimer UV, electron-beam, and water-based finishes, for manufacturers applying coatings to wood, furniture, and other substrates.

Advanced ManufacturingNew Materials

Co-investorsHivemind Capital LLCLiveOak VenturesOnigiri Capital

Roll Rite, LLCrollrite.comin𝕏

Rollrite designs and manufactures covering solutions for transportation fleets to enhance operator and pedestrian safety while improving productivity.

Advanced ManufacturingAgTechConstruction TechHardwareIoTLogistics & Supply ChainMobility & TransportationGladwin, US

Royal Productsroyalproducts.cominSep 2024

Royal manufactures precision collet chucks for CNC machining and lathe work, including the QG Combo Chuck that combines outer diameter, inner diameter, and 5C collet chuck capabilities in a single unit for manufacturing shops.

Advanced ManufacturingHardware

Simmssimmsmachinery.com𝕏

Simms Machinery sells AMP underpinner (backnailer) joining machines and related equipment used to assemble door casing and moulding, serving the millwork and furniture industries.

Advanced ManufacturingHardwareEast Berlin, US

Gordon Simms(Founder)Dan Simms(President)

Somafinasomafina.comin

Somafina partners with nutraceutical brands to develop and manufacture custom supplement formulations using specialized formulators, flavor chemists, and production engineering.

Advanced ManufacturingFoodTechHealthtechWellness & Fitness

Spectexspectex.comin

Sur-Seal provides custom product manufacturing services including die-cutting, laminating, extrusion, molding, and precision cutting for OEMs and manufacturers across industries such as avionics, agriculture, defense, and solar energy.

Advanced ManufacturingEnterprise SoftwareHardwareNew MaterialsCincinnati, US

Stagestage3motorsports.com

Stage 3 Motorsports operates a comprehensive online and mail-order catalog of aftermarket performance parts for Ford, Toyota, and Ram trucks, backed by real test vehicles and in-house installation expertise.

ConsumerE-commerceMobility & TransportationRetail TechPhoenix, US

SubiSpeedsubispeed.com𝕏

SubiSpeed is a retailer specializing in automotive parts and accessories for Subaru vehicles.

ConsumerE-commerceMobility & TransportationRetail Tech

Super-Sodsupersod.comin

A supplier of drought-tolerant grass sod for residential lawns that requires less water and maintenance than traditional varieties.

AgTechConstruction TechConsumerE-commerce

Co-investorsKainos

Sur-Sealsur-seal.comin

Cohesive Components provides sealing and insulation solutions for engineering projects, including gasketing, acoustics, and materials testing services.

Advanced ManufacturingEnterprise SoftwareNew MaterialsSector AgnosticCharlotte, US

Twitchell Technical Products, LLCtwitchellcorp.comin

Twitchell Technical Products manufactures woven textiles and fabrics, including its flagship Textilene® PVC-coated polyester fabric, for use across multiple industries.

Advanced ManufacturingNew MaterialsDothan, US

UW Solutionsuwsolutions.comin

UW Solutions (Universal Woods) makes performance surface products across four brands, including dye sublimation photo panels and blanks (ChromaLuxe, Unisub), custom industrial coatings (RDC Coatings), and engineered industrial flooring panels (ResinDek) for applications such as personalized products and warehouse automation.

Advanced ManufacturingNew Materials

VITALSpacevitalspace.com

VITALSpace manufactures prefabricated, modular structures and parts using domestic steel for industries requiring secure, damage-resistant, mission-critical buildings.

Advanced ManufacturingConstruction TechHardware

Weaver Leather, LLCweaverleather.com

Weaver Brands manufactures and sells leather and nylon products for equine, livestock, pet, arborist, and tool gear markets, combining handcrafted quality with customer service.

Advanced ManufacturingConsumerE-commerceNew MaterialsFryburg, US

Harry A. Weaver(Founder)

Other

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

AecelectricalAllstateelectricalAmes Group, LLCBeaumontelectricCmcmillingDayton Parts, LLCEpsplasticlumberFramewareincGreenvillecolorantsInterbayelectricLeeindustriesLmrplasticsMantleindustriesMidtennturfMuellercustomcutNorlee GroupParagon Southwest Medical WasteParkway Products, LLCRegencyelectricTrucktechdistributingWesternshield

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.