| # | Company | Employees |
|---|---|---|
| 1 |
Fannie Maefanniemae.com
Provides affordable mortgage credit and financing solutions to support homebuyers and renters, promoting stability and accessibility in housing markets. |
12,201 |
| 2 |
IFC - International Finance Corporationifc.org
An international organization supporting private sector development in developing countries by providing financial resources, expertise, and forging partnerships for sustainable growth |
10,688 |
| 3 | 6,112 | |
| 4 |
U.S. Securities and Exchange Commissionsec.gov
Enforces federal securities laws, regulates national stock exchanges, protects investors, maintains orderly markets, and facilitates capital formation through five specialized divisional offices. |
4,554 |
| 5 |
The Carlyle Groupcarlyle.com
Global investment firm deploying private capital across private equity, credit, and AlpInvest segments to fuel growth for companies and performance for investors. |
2,838 |
| 6 |
FINCA Internationalfinca.org
Providing responsible financial services and life-enhancing products to empower underserved communities and help end global poverty sustainably. |
1,990 |
| 7 |
Public Company Accounting Oversight Board (PCAOB)pcaobus.org
A nonprofit overseen by Congress managing audits of public companies and brokers, ensuring quality and compliance with federal securities laws |
1,099 |
| 8 |
IDB Investidbinvest.org
Multilateral bank providing financial solutions and advisory services to sustainable private sector companies for economic, social, and environmental growth in Caribbean countries. |
867 |
| 9 |
MissionSquaremissionsq.org
Provides mission-based financial services, investment products, and retirement planning technology helping public service employees and families build long-term financial security since 1972. |
808 |
| 10 | 723 | |
| 11 |
Accionaccion.org
Global nonprofit working to create a fair economy by developing digital financial solutions for underserved populations and supporting financial service providers worldwide |
720 |
| 12 |
The World Bank Group Treasury (IBRD鈥DA鈥FC)treasury.worldbank.org
Global leader in finance, focusing on sustainable development through innovative borrowing, investing, and risk management to end poverty and promote shared prosperity |
448 |
| 13 |
The Office of the Chief Financial Officer (OCFO)cfo.dc.gov
Independent agency in the Government of the District of Columbia enhancing fiscal stability, accountability, and integrity through financial operations Visit website for job opportunities |
443 |
| 14 |
IBM Promontoryibm.com
Global leader in strategy, risk management, and compliance consulting, operating as a business unit under IBM Consulting |
401 |
| 15 |
CWcwcapital.com
A vertically integrated commercial real estate finance and investment management company offering specialized services to borrowers, investors, and partners |
377 |
| 16 |
ICMA-RCmissionsq.org
Company formerly known as ICMA-RC rebranded as MissionSquare Retirement, dedicated to helping public sector workers plan for a secure financial future |
348 |
| 17 |
Capstonecapstonedc.com
Global strategy firm advising corporations, industries, and investors on navigating policy and regulatory landscapes in financial services, healthcare, TMT, and energy sectors |
337 |
| 18 |
Farmer Macfarmermac.com
A stockholder-owned government sponsored enterprise providing a secondary market for agricultural, rural housing, and rural development loans to support farmers and rural communities |
324 |
| 19 |
MPOWER Financingmpowerfinancing.com
A fast-growing fintech company providing borderless education financing for international and DACA students in North America, recognized for top industry ratings |
315 |
| 20 |
Ullico Inc.ullico.com
A labor-owned insurance and financial services holding company serving union members and employers with insurance, risk management solutions, and investments |
313 |
| 21 |
Koalafikoalafi.com
Koalafi offers flexible payment options and credit-building opportunities for non-prime US consumers through integrations with eCommerce platforms and POS systems |
271 |
| 22 |
Fundrisefundrise.com
The company bridges the gap between individuals and private markets through technology, providing access to real estate and venture capital investments |
255 |
| 23 | 251 | |
| 24 |
Verus Mortgage Capitalverusmc.com
A mortgage investor acquiring responsible non-agency mortgage loans with common sense underwriting, focusing on borrowers' ability to repay Serving credible borrowers |
187 |
| 25 |
Georgetown University Alumni & Student Federal Credit Unionguasfcu.com
Student-run credit union in Washington, DC, chartered under NCUA authority Largest of its kind in the country based on assets and membership |
172 |
| 26 |
Monex USAmonexglobal.com
A leading provider of foreign exchange, risk management, and global payment solutions with top-ranked FX trading team, serving clients worldwide |
168 |
| 27 |
Inter-American Investment Corporation (IIC)idbinvest.org
IDB Invest, formerly known as the Inter-American Investment Corporation, provides investment opportunities and financial services in the Americas Visit their website for more information |
147 |
| 28 |
Institute of International Financeiif.com
Global association for the financial industry, providing research, advocacy, and networking opportunities to support risk management, industry best practices, and regulatory policies |
136 |
| 29 |
RockCreektherockcreekgroup.com
Global investment firm leveraging innovation, data, technology for long-term value Investments in sustainable, diverse firms with strategic growth capital for energy transition companies |
130 |
| 30 |
FS Vectorfsvector.com
Strategic consulting firm specialized in financial services, offering trusted partnership at every stage of growth in a complex regulatory environment |
80 |
| 31 |
United Income from Capital Oneunitedincome.com
This company provides elegant money management solutions through innovative software and financial advisors, helping individuals achieve their retirement dreams with peace of mind |
63 |
| 32 |
Patomak Global Partnerspatomak.com
A financial services consultancy offering industry and regulatory expertise to help companies succeed in global markets with efficiency and competitiveness |
53 |
| 33 |
Asurityasurity.com
The company provides dynamic solutions for the financial services industry, offering compliance support, risk analysis, data infrastructure, and customer support |
50 |
| 34 |
Capital Asset Management Groupcapitalamg.com
This company helps clients achieve financial independence through strategic planning, unconventional advice, and sophisticated wealth management solutions |
31 |
| 35 |
Total Impact Capitaltotalimpactcapital.com
Impact investment bank mobilizing over $250 million to finance enterprises addressing social objectives while delivering sustainable solutions to global challenges |
19 |
| 36 |
Aire (FinTech)airelabs.com
A company providing credit solutions supported by Experian's expertise and resources |
15 |
| 37 |
SpringHarbor Financial Group LLCspringharborfg.com
Private investment firm in Washington, DC specializing in financing and investing in financial services and technology companies while providing strategic advisory and management services |
10 |
| 38 |
TBJ Investments, LLCtbjinvestmentsllc.com
Family office specializing in early stage investments in software, internet, mobile, cleantech, and homeland security technologies Focus on university patent commercialization |
5 |
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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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- Higher Education companies in Washington 35
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The same list elsewhere in United States
- Financial Services companies in the United States 4,247
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- Financial Services companies in San Francisco 121
- Financial Services companies in Atlanta 83
- Financial Services companies in Boston 73
- Financial Services companies in Miami 69
- Financial Services companies in Dallas 57
- Financial Services companies in Houston 54
- Financial Services companies in Los Angeles 45
- Financial Services companies in Austin 44
- Financial Services companies in Charlotte 29
- Financial Services companies in San Diego 29
- Financial Services companies in Denver 28
- Financial Services companies in Minneapolis 27