| # | Company | Employees |
|---|---|---|
| 1 |
Kline Hill Partnersklinehill.com
Private equity secondary market investor acquiring limited partnership interests in buyout and venture funds, as well as direct company interests on a secondary basis |
72 |
| 2 |
Oak HC/FToakhcft.com
Investing in healthcare and fintech companies, providing strategic resources and expertise to support growth and industry transformation. |
56 |
| 3 |
Greenbriar Equity Groupgreenbriarequity.com
Specializing in private equity investments, this firm has over 20 years of experience collaborating with middle market businesses in specific sectors |
51 |
| 4 |
Atlantic-Pacific Capitalapcap.com
Global organization specializing in capital raising and distribution for alternative asset managers, with expertise in private equity, real estate, and secondary advisory |
42 |
| 5 |
Spencer Trask & Co.spencertraskco.com
An advanced technology development firm that discovers innovative ideas and helps entrepreneurs build world-changing ventures in various industries |
41 |
| 6 |
Clearview Capital, L.P.clearviewcap.com
Private investment firm investing in North American companies with profits of $4-20 million, providing strategic guidance, operational assistance, and capital for growth |
38 |
| 7 |
Southfield Capitalsouthfieldcapital.com
Private equity firm investing in growing North American companies in the lower middle market with $4-15 million EBITDA, strong leadership, and attractive growth and profitability trends |
38 |
| 8 |
Avesi Partnersavesipartners.com
Private equity group empowering lower-middle market businesses in Healthcare Services, Technology, and Business Services with expertise, resources, and capital for long-term success |
35 |
| 9 |
Sterling Investment Partnerssterlinglp.com
Middle market private equity firm investing in companies with strong growth potential, supporting management teams in accelerating growth and building operational capabilities in targeted sectors |
30 |
| 10 |
Sageview Capitalsageviewcapital.com
Private investment firm partnering with innovative software and tech businesses, leveraging experience and networks to scale companies successfully. |
29 |
| 11 |
Activant Capitalactivantcapital.com
Global investment firm partnering with high-growth companies transforming commerce worldwide |
26 |
| 12 |
Forward Consumer Partnersforwardconsumerpartners.com
Private equity firm investing in growing consumer brands, providing resources and collaboration to help brands reach their potential |
21 |
| 13 |
Decisive Pointdecisivepoint.com
Venture capital firm investing in deep-tech innovations across security, health, energy, and infrastructure, supporting those solving tomorrow's challenges with strategic capital and expertise |
20 |
| 14 |
ECP Growthecpgrowth.com
A private investment firm in Connecticut and Europe, focusing on high-potential consumer products and services companies for strategic investment alliances and sustainable value creation |
20 |
| 15 |
BNM Capital Managementbnm.vc
Investment firm based in NY & CT providing strategic capital to talented teams building disruptive companies Focus on pre-seed through Series A |
7 |
| 16 |
Elm Street Ventureselmvc.com
Seed and early stage venture fund based in Connecticut, focused on catalyzing company formation using intellectual property from Yale and other institutions |
7 |
| 17 |
typotypoideas.com
An investment company that focuses on private equity, venture capital, and real estate opportunities to achieve diversification and growth |
6 |
| 18 |
Victoria Capital Investmentsvictoriacapinvestments.com
An asset investment group specializing in venture capital investing, small business creation/management, aiming to incite opportunity through connection and communication |
6 |
| 19 |
Platform Venturesplatformventures.com
A venture capital firm that partners early to build enduring businesses with expertise in technology, consumer products, financial services, and media |
5 |
| 20 |
Cloquet Capital Partners, LLCcloquetcapital.com
An early and growth stage venture capital firm targeting technology companies in the Greater NYC Metro area with well-identified market opportunities |
5 |
| 21 |
Centripetal Capital Partnerscentricap.com
Venture capital firm investing in revenue-generating companies with proven business models and experienced teams, offering $2-7 million in growth capital |
5 |
| 22 |
WorldQuant Venturesworldquantventures.com
Leading early-stage investment firm focused on disruptive technology companies, with a strong emphasis on data and finance Over 50 investments made |
4 |
| 23 |
R3 Venture Partnersr3vp.com
Early-stage venture capital fund investing in post-Seed to Series A rounds, with active involvement in management of targeted companies |
4 |
| 24 |
Axios Holdingsaxiosholdings.com
Private equity firm investing in market-leading businesses, providing capital, resources, and strategic leadership, focusing on lower middle market companies in various industries |
4 |
| 25 |
LaunchCapitallaunchcapital.com
Seed funding firm supporting diverse industries with a focus on milestone-driven, innovative, and capital-efficient startups, providing mentorship and syndication with local investors |
3 |
| 26 |
BurkeCapital
This company makes investments in high-growth, innovative startups and later-stage companies to support their development and success |
3 |
| 27 |
G. Scott Capital Partners, LLCscottcap.com
Private investment firm focusing on companies with potential for growth, providing capital, resources, and expertise to enhance operations, expand markets, and achieve significant value |
3 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 24, 2026.
More company lists in Connecticut
- The largest companies in Connecticut 1,107
- Financial services firms in Connecticut 132
- Financial Services companies in Connecticut 77
- Hospitals and Health Care companies in Connecticut 76
- Critical infrastructure operators in Connecticut 61
- Investment Management companies in Connecticut 60
- Venture capital and private equity firms in Connecticut 59
- Manufacturers in Connecticut 49
- Retail chains in Connecticut 48
- Healthcare providers in Connecticut 48
- Education providers in Connecticut 44
- Higher Education companies in Connecticut 43
- IT Services and IT Consulting companies in Connecticut 43
- Insurance companies in Connecticut 41
- Aerospace and defence companies in Connecticut 39
- SaaS companies in Connecticut 38
- Primary and Secondary Education companies in Connecticut 34
- Publicly traded companies in Connecticut 34
- Contract manufacturers in Connecticut 33
- Energy companies in Connecticut 29
- Manufacturing companies in Connecticut 28
- Aviation and Aerospace Component Manufacturing companies in Connecticut 27
- Software Development companies in Connecticut 27
- IT services companies in Connecticut 26
The same list elsewhere in United States
- Venture Capital and Private Equity Principals companies in the United States 1,803
- Venture Capital and Private Equity Principals companies in California 645
- Venture Capital and Private Equity Principals companies in New York State 365
- Venture Capital and Private Equity Principals companies in Texas 109
- Venture Capital and Private Equity Principals companies in Massachusetts 107
- Venture Capital and Private Equity Principals companies in Florida 79
- Venture Capital and Private Equity Principals companies in Illinois 63
- Venture Capital and Private Equity Principals companies in Virginia 31
- Venture Capital and Private Equity Principals companies in Washington State 28
- Venture Capital and Private Equity Principals companies in Colorado 27
- Venture Capital and Private Equity Principals companies in Georgia 27
- Venture Capital and Private Equity Principals companies in Pennsylvania 27
- Venture Capital and Private Equity Principals companies in New York 341
- Venture Capital and Private Equity Principals companies in San Francisco 242
- Venture Capital and Private Equity Principals companies in Palo Alto 82
- Venture Capital and Private Equity Principals companies in Boston 72
- Venture Capital and Private Equity Principals companies in Menlo Park 67
- Venture Capital and Private Equity Principals companies in Los Angeles 63
- Venture Capital and Private Equity Principals companies in Austin 60
- Venture Capital and Private Equity Principals companies in Chicago 54
- Venture Capital and Private Equity Principals companies in Miami 28