| # | Company | Employees |
|---|---|---|
| 1 |
Y Combinatorycombinator.com
Leading startup accelerator investing in thousands of companies, providing community, products, and programs to support founders throughout their journey. |
8,865 |
| 2 |
The Heico Companies LLCheicocompanies.com
A privately held company with 74 separate acquisitions in manufacturing, construction, and industrial services, focused on growth and success |
4,427 |
| 3 |
500 Global500.co
Global venture capital firm investing early in fast-growing technology companies worldwide, with a focus on unlocking long-term value and driving economic growth |
2,719 |
| 4 |
Techstarstechstars.com
An active pre-seed investor funding thousands of startups annually, Techstars operates accelerators, funds, and networks to support global entrepreneurship with high success rates |
2,635 |
| 5 |
Conscience VCconscience.vc
Early-stage firm investing in science to empower humanity through innovative projects and initiatives |
2,000 |
| 6 |
Private Equity Insiderpe-insider.com
The company provides business networking, insights on private equity trends, investor opportunities, and timely debates for the global investment community |
1,617 |
| 7 |
PitchBookpitchbook.com
PitchBook provides comprehensive data, research, and insights for the global capital markets through their innovative suite of products and databases |
1,550 |
| 8 |
HarbourVest Partnersharbourvest.com
An independent global private markets firm with over 40 years of experience managing $117 billion in assets, offering diverse investment opportunities worldwide |
1,443 |
| 9 |
H.I.G. Capitalhig.com
A global private investment firm managing $60 billion in equity capital, investing in small to mid-sized businesses with growth potential worldwide |
1,438 |
| 10 | 1,387 | |
| 11 |
Plug and Playplugandplaytechcenter.com
global platform connecting startups, corporations, investors across multiple industries to foster innovation, investment, and collaboration worldwide. |
1,311 |
| 12 |
Hustle Fundhustlefund.vc
Funds very early-stage founders and teaches professionals startup investing through Angel Squad, aligning with investment strategies. |
1,197 |
| 13 |
Andreessen Horowitza16z.com
Venture capital firm investing in seed to late-stage technology companies across various sectors, providing access to expertise and resources for business growth |
993 |
| 14 |
Standish Management, LLCstandishmanagement.com
Specialized fund administration services for private equity funds, offering consulting and technology solutions to accelerate fund launches and scale operations efficiently |
927 |
| 15 |
Global Women in VCwomen-vc.com
Community connecting over 6,000 women investors across 3,500 venture funds worldwide to collaborate and create opportunities. |
773 |
| 16 |
Hudson Advisors L.P.hudson-advisors.com
Global asset manager specializing in real estate, credit, equity, loan servicing, due diligence, financial reporting, risk management, and corporate restructuring. |
640 |
| 17 |
Insight Partnersinsightpartners.com
A global software investor funding high-growth tech companies, providing expertise from investment to IPO, with over $80B in assets |
637 |
| 18 |
Kairos HQkairoshq.com
A portfolio of healthcare and financial services brands solving tough problems to simplify and make life more affordable for the generation |
597 |
| 19 |
Summit Partnerssummitpartners.com
Global investment firm focusing on growth equity, fixed income, and public equity across technology, healthcare, and diverse growth sectors. |
588 |
| 20 |
GV (Google Ventures)gv.com
Investment firm supporting innovative startups across AI, life sciences, software, and frontier tech with funding, expertise, and industry connections. |
579 |
| 21 | 564 | |
| 22 |
IDG Capitalidgcapital.com
A pioneering investment institution with global perspective, IDG Capital has funded numerous successful companies and holds strategic partnerships worldwide |
555 |
| 23 |
LvlUp Ventureslvlup.vc
Early-stage fund supporting startups with market validation, NextUp accelerator-venture studio, investor pitch decks, and fundraising assistance for going-to-market success |
554 |
| 24 |
Lightspeedlsvp.com
A multi-stage venture capital firm investing in disruptive innovations across Enterprise, Consumer, Health, and Fintech sectors globally with a $18B managed platform |
545 |
| 25 | 529 | |
| 26 |
Alumni Venturesav.vc
Provides individual investors access to diversified venture capital portfolios and deal-by-deal investments with low minimums and strong performance. |
528 |
| 27 |
HSGsequoiacap.com
Investment firm supporting founders in TMT, healthcare, and consumer sectors, leveraging extensive experience and community to build companies. |
519 |
| 28 |
Unreasonableunreasonablegroup.com
An international company supporting growth-stage entrepreneurs, connecting investors with exclusive deals, and partnering to address global issues through profit-driven solutions |
519 |
| 29 |
TRG - The Resource Grouptrgworld.com
An investment holding company specializing in business process outsourcing and technology, with a focus on generating positive returns and utilizing big data for advancements |
504 |
| 30 |
MassChallengemasschallenge.org
A global organization supporting entrepreneurs to innovate and drive sustainable change, with headquarters in the United States and eight international locations |
504 |
| 31 |
Private Family Office
A family office specializing in direct and fund investing, capital raise advisory, and providing consumer-focused solutions for underresearched medical conditions |
501 |
| 32 |
Angel Investor
Angel investment in startups that makes a difference. Focus on providing financial backing to emerging companies with potential for significant impact. |
463 |
| 33 |
NextGen Venture Partnersnextgenvp.com
invests in seed stage companies and growth stage companies with significant revenue, leveraging a network of venture partners for accelerated growth. |
458 |
| 34 |
Emmis Corporationemmis.com
A media company that owns radio stations, magazines, and technology entities, focusing on innovation, excellence, and a supportive team culture |
449 |
| 35 |
Investor
This company provides information and resources for investors or individuals interested in investing |
441 |
| 36 |
Bessemer Venture Partnersbvp.com
Investment firm supporting entrepreneurs and startups across enterprise, consumer, and healthcare sectors with funding and strategic guidance worldwide. |
433 |
| 37 | 429 | |
| 38 |
Adams Street Partnersadamsstreetpartners.com
Global investment manager specializing in private markets with diverse strategies, extensive experience, and offices across multiple continents. |
419 |
| 39 |
General Catalystgeneralcatalyst.com
Global investment firm partners with ambitious entrepreneurs, driving innovation and growth through applied AI and long-term support from seed to maturity. |
409 |
| 40 |
Allied Mindsalliedminds.com
Early-stage investor in technology and life sciences, originating from US federally funded labs and universities, focusing on breakthrough science in connectivity, space, and medical devices |
400 |
| 41 | 395 | |
| 42 |
Verizon Venturesverizon.com
Investing in innovative startups that are solving technological challenges for Verizon's customers, while providing access to resources for business advancement |
393 |
| 43 |
Shore Capital Partnersshorecp.com
Investment firm focusing on lower middle market companies in healthcare, food, business services, industrial, and real estate sectors. |
378 |
| 44 |
South Park Commonssouthparkcommons.com
Community of technologists and builders helping each other explore and learn, and funding companies emerging from members' explorations. |
357 |
| 45 |
Sequoia Capitalsequoiacap.com
Sequoia partners with visionary founders to build enduring businesses, providing hands-on help from idea to IPO with expertise from legendary founders |
344 |
| 46 |
Golden Seedsgoldenseeds.com
An investment firm supporting women entrepreneurs by providing funding, guidance, and leadership in the angel investment sector since 2005 |
342 |
| 47 |
Capital Factorycapitalfactory.com
Central hub for entrepreneurs in Texas, connecting them with resources, investors, employees, mentors, and customers through meetups, classes, and coworking |
331 |
| 48 | 321 | |
| 49 |
Notable Capitalnotablecap.com
Notable Capital is a US-based venture capital firm investing in early-to-growth-stage companies in cloud infrastructure and business/consumer applications worldwide |
314 |
| 50 |
Benchmarkbenchmark.com
Early-stage venture capital firm in San Francisco and Woodside investing in and supporting startups in various tech sectors, with a hands-on approach to every entrepreneur |
301 |
| 51 |
Accel-KKRaccel-kkr.com
Technology-focused investment firm with $19 billion in capital commitments, specializing in software and IT enabled businesses through strategic partnerships and value-building investments in middle-market companies |
301 |
| 52 | 290 | |
| 53 |
DCM Venturesdcm.com
A venture capital firm with over $4 billion invested in 300+ technology companies in the US and Asia, providing operational guidance and global resources |
283 |
| 54 |
VU Venture Partnersvuventurepartners.com
Multi-stage venture capital fund investing in a variety of sectors including consumer, enterprise, fintech, healthcare, and proptech |
280 |
| 55 |
Stripesstripes.co
A growth equity firm in NYC, investing in branded consumer and software companies to fuel the next generation of iconic businesses |
271 |
| 56 |
Carlyle AlpInvestcarlylealpinvest.com
Global private equity investor managing primary fund commitments, secondary investments, and co-investments for institutional investors worldwide through customized portfolios |
270 |
| 57 |
Keiretsu Forumkeiretsuforum.com
Global investment community for accredited private equity investors, VC's, and institutional investors Focus on diverse and high-quality investment opportunities with social and charitable involvement |
267 |
| 58 |
Headlineheadline.com
A global venture capital firm investing across geographies and leading rounds at every stage, focused on supporting winning founders for global success |
266 |
| 59 | 258 | |
| 60 |
ff Venture Capitalffvc.com
investment in early-stage technology and technology-enabled companies with focus on enterprise software, industrial automation, fintech, and sustainable transformation |
254 |
| 61 |
Battery Venturesbattery.com
Invests globally in cutting-edge software, IT infrastructure, consumer internet, mobile services, and industrial technology companies at various growth stages. |
252 |
| 62 |
Canaancanaan.com
Early stage venture capital firm investing in technology, healthcare, fintech, consumer tech, enterprise, frontier tech, and life sciences startups. |
252 |
| 63 |
Redesign Healthredesignhealth.com
Innovative healthcare company developing technologies and tools to lower barriers and impact millions of lives across various aspects of the healthcare ecosystem |
251 |
| 64 |
777 Partners777part.com
Alternative investment platform in Miami focusing on financial services, with investments in insurance, finance, litigation, lending, media, entertainment, and aviation Partnering with industry veterans for long-term value |
249 |
| 65 |
Gryphon Investorsgryphon-inv.com
A private equity firm in San Francisco helps middle-market companies grow profitably by partnering with experienced management and providing resources and expertise |
242 |
| 66 |
Roark Capitalroarkcapital.com
Private equity firm investing in consumer and business service companies, specializing in franchise and multi-location business models. |
240 |
| 67 |
New Enterprise Associates (NEA)nea.com
Global venture capital firm investing in technology and healthcare companies across all stages, supporting entrepreneurs worldwide with significant assets. |
239 |
| 68 |
Kleiner Perkinskleinerperkins.com
Venture capital firm with a history of investing in innovative technology and life sciences companies, supporting founders with bold ideas |
239 |
| 69 |
Norwestnorwest.com
Investment firm supporting entrepreneurs with capital, expertise, and resources across consumer, enterprise, and healthcare sectors globally. |
238 |
| 70 | 235 | |
| 71 |
FJ Labsfjlabs.com
Venture fund in New York City, invests in ambitious founders solving big problems, stage-agnostic, headquartered in New York. |
229 |
| 72 |
Building Industry Partnersbuildingip.com
A private equity firm focused on the US building industry, building exceptional businesses, generating strong returns, and supporting broad-based employee ownership |
229 |
| 73 |
American Securitiesamerican-securities.com
A US private equity firm with $26 billion under management, investing in leading North American companies and aiming to generate superior returns |
228 |
| 74 |
Khosla Ventureskhoslaventures.com
Invests in early-stage, impactful companies across AI, climate, enterprise, consumer, fintech, digital health, medtech, diagnostics, therapeutics, and frontier technology sectors. |
224 |
| 75 | 224 | |
| 76 |
First Round Capitalfirstround.com
Venture capital firm assisting founders at earliest stages through recruitment support, sales training, and foundational guidance to achieve extreme product-market fit. |
219 |
| 77 |
Everywhere Ventureseverywhere.vc
An international pre-seed fund supported by 500 industry experts and entrepreneurs, investing in early-stage startups |
216 |
| 78 |
Sciencescience-inc.com
The company invests in, develops, and advises innovative businesses focused on solving everyday modern living problems, nurturing ideas and injecting new talent and innovation |
215 |
| 79 |
gener8torgener8tor.com
A platform connecting startup founders, musicians, artists, investors, universities, and corporations through accelerators, corporate programming, conferences, and fellowships |
206 |
| 80 |
Highland Capital Partnershcp.com
venture capital firm investing over 3 billion dollars in more than 270 technology companies prioritizing entrepreneurs and innovation |
202 |
| 81 |
Francisco Partnersfranciscopartners.com
A global investment firm specializing in partnering with technology companies, leveraging sectoral knowledge and operational expertise to maximize potential |
201 |
| 82 | 200 | |
| 83 |
Sapphire Venturessapphireventures.com
Global venture capital firm with $11B+ in AUM, investing in visionary teams and funds to scale companies, resulting in public listings and acquisitions |
198 |
| 84 | 198 | |
| 85 |
NuFund Venture Groupnufund.com
A leading early-stage investor group with diverse backgrounds, fostering a culture of excellence, innovation, and fun for over 20 years |
193 |
| 86 | 188 | |
| 87 |
Band of Angelsbandangels.com
Silicon Valley's oldest seed funding organization. Formal group of executives investing time and money into new, cutting edge, startup companies. |
184 |
| 88 |
Acquisition.comacquisition.com
Partner with companies to recruit talent, define growth initiatives, and implement proven strategies to triple revenue and scale businesses. |
184 |
| 89 |
Entrepreneurs Roundtable Acceleratoreranyc.com
A leading NYC technology accelerator and VC fund, investing in 330+ startups globally Alumni have raised $2B+ and exceed $10B market value |
182 |
| 90 |
Frazier Healthcare Partnersfrazierhealthcare.com
A leading healthcare venture capital provider investing in over 200 companies, specializing in growth buyouts and life sciences innovation across US, Canada, and Europe |
181 |
| 91 |
Founders, Inc.f.inc
A platform where builders transition into founders by providing resources and support for entrepreneurial endeavors |
181 |
| 92 |
Prospect Capital Managementprospectcap.com
An alternative asset manager with $118 billion in assets, specializing in real estate private equity, middle-market buyouts, direct lending, and structured credit investments Led by experienced professionals |
180 |
| 93 |
The Councilthecouncil.co
The company invests in founders revolutionizing industries with top-tier fintech, transparent healthcare, and efficient tools for legacy industries |
177 |
| 94 |
Instant Systems, Inc.instantsys.com
Co-investment model accelerating growth by building global teams and disruptive software products with shared risks and rewards approach. |
175 |
| 95 |
Nexus Venture Partnersnexusvp.com
Supports founders building product-first companies. Invests in US enterprise software and Indian digitally-enabled businesses from inception to Series A. |
173 |
| 96 | 173 | |
| 97 |
Reefreefcp.com
Specializing in private credit and equity transactions in real estate and related assets, focusing on capital preservation through disciplined investments |
172 |
| 98 |
LLR Partnersllrpartners.com
investment firm specializing in software and tech-enabled companies, providing capital, strategic guidance, and sector expertise for growth |
172 |
| 99 |
FFL Partnersfflpartners.com
Invests in high-quality middle-market companies within healthcare and tech-enabled services using a proprietary sourcing and value creation strategy with over $6 billion capital commitments. |
170 |
| 100 |
FTV Capitalftvcapital.com
investment firm focusing on high-growth companies in fintech, software, enterprise, and healthcare technology, supporting management teams with expertise and resources |
168 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
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