| # | Company | Employees |
|---|---|---|
| 1 |
Northern Trustnortherntrust.com
Global provider of innovative wealth management, asset servicing, and investment solutions for institutions, families, and individuals through diverse technology and financial expertise. |
30,965 |
| 2 |
Morningstarmorningstar.com
Independent investment insights, data, and research for various global markets including managed products, private capital, debt securities, and comprehensive asset management services. |
12,028 |
| 3 | 5,564 | |
| 4 |
CME Groupcmegroup.com
Global derivatives marketplace offering benchmark products across asset classes through electronic trading platforms and central counterparty clearing services for diverse financial risk management. |
4,781 |
| 5 |
Topsteptopstep.com
Topstep offers funding opportunities for retail futures traders, facilitating professional growth in a safe trading environment to engage profitably |
4,146 |
| 6 | 2,773 | |
| 7 |
Balyasny Asset Management L.P.bamfunds.com
Diversified global investment firm managing over thirty-three billion dollars across equities, fixed income, commodities, multi-asset arbitrage, and systematic strategies for absolute returns. |
2,659 |
| 8 |
The Options Clearing Corporation (OCC)theocc.com
World's largest equity derivatives clearing organization providing central counterparty settlement services for options, futures, and securities lending transactions to multiple trading platforms. |
2,620 |
| 9 |
William Blairwilliamblair.com
Provides investment banking, management, and private wealth advisory services through independent, employee-owned operations and strategic global partnerships. |
2,584 |
| 10 | 2,463 | |
| 11 |
PLSpls247.com
Community-focused financial service provider offering money orders, check cashing, prepaid cards, transfers, deposits, and bill payments with transparency and affordability. |
2,400 |
| 12 |
Jump Tradingjumptrading.com
A company focused on world-class research in mathematics, physics, and computer science to innovate technologies for global financial markets and beyond |
2,067 |
| 13 |
CIBC USus.cibc.com
This company provides a range of banking services including commercial & personal banking, wealth management, and small business financial solutions They are an Equal Housing Lender and Member FDIC |
1,910 |
| 14 |
Cboe Global Marketscboe.com
A leading exchange network offering solutions for global derivatives, foreign exchange, digital assets, and securities trading, creating inclusive markets for all investors |
1,729 |
| 15 |
Beyond Financebeyondfinance.com
A fintech company helping people eliminate debt and achieve financial freedom through personalized care, education, tools, and solutions |
1,652 |
| 16 |
Enova Internationalenova.com
A financial services company offering online lending to small businesses and underserved consumers, providing over $52 billion in loans |
1,570 |
| 17 | 1,467 | |
| 18 |
The Federal Savings Bankthefederalsavingsbank.com
Privately held veteran owned bank providing customized mortgage lending solutions across all fifty states through advanced technology and personalized one-to-one customer care. |
1,328 |
| 19 |
NUNYA LLCfnaround.com
A business consulting firm that helps clients with financial needs, growth strategies, partnerships, and gaining capital/resources for startups or joint ventures |
1,258 |
| 20 |
MB Financial Bank53.com
This financial institution offers superior banking services as Fifth Third Bank Experience banking that is a step above the rest |
1,148 |
| 21 |
LaSalle Investment Managementlasalle.com
Specializes in managing real estate investments globally, serving institutional clients with expertise in equity and debt asset classes. |
1,087 |
| 22 |
Byline Bankbylinebank.com
A long-standing resident of Chicago, this company offers innovative banking products and services dedicated to helping clients succeed They prioritize transparency, personalization, and keeping promises |
1,074 |
| 23 | 958 | |
| 24 |
Guaranteed Rate Affinitygrarate.com
This company provides low-rate mortgages with top-notch customer service and a fast, simple process through a partnership between two real estate companies |
923 |
| 25 |
Mesirowmesirow.com
An employee-owned financial services firm offering personalized solutions in Global Investment Management, Capital Markets, and Advisory Services, with a focus on social good |
862 |
| 26 |
Alliant Credit Unionalliantcreditunion.org
Innovative and fully digital financial institution disrupting the banking industry, prioritizing members and digital equity with exceptional customer service |
837 |
| 27 |
National Futures Associationfutures.org
Safeguard derivatives market integrity, protect investors, ensure member compliance with regulations, support community, and innovate financial industry regulation. |
819 |
| 28 |
Chicago Trading Companychicagotrading.com
A dynamic derivatives trading firm specializing in trading various products and strategies across asset classes with a global presence |
776 |
| 29 |
Rewards Networkrewardsnetwork.com
Provides marketing, loyalty rewards programs, and capital to restaurants using card-linked offers, advanced technology, and data analytics. |
765 |
| 30 |
Northern Trust Wealth Managementnortherntrust.com
The company focuses on discussing and understanding clients' ambitions to create a tailored approach to wealth management for their future goals |
765 |
| 31 |
Enfusion (Now CWAN)enfusion.com
Provides a cloud-native platform for institutional investors, unifying portfolio management, trading, accounting, reconciliation, reporting, performance, compliance, and risk analytics. |
756 |
| 32 |
Harris & Harrisharriscollect.com
An industry leader in accounts receivable management with a focus on call center solutions, revenue recovery, and maintaining professional, compliant practices |
719 |
| 33 |
GCM Grosvenorgcmgrosvenor.com
Global alternative asset management provider with $77 billion AUM in private equity, real estate, infrastructure, credit, and absolute return strategies, serving institutional and HNW investors worldwide |
706 |
| 34 |
Hightower Advisorshightoweradvisors.com
Wealth management firm providing investment, financial, retirement planning to individuals, foundations, family offices, corporations Empowering advisors nationwide with capital solutions and support services |
659 |
| 35 |
Harley-Davidson Financial Serviceshdfsi.com
Provides financing for motorcycles, related merchandise, and insurance. Offers career opportunities with competitive benefits and a focus on customer passion. |
656 |
| 36 | 651 | |
| 37 |
BMO Wealth Management - U.S.uswealth.bmo.com
A wealth management firm providing comprehensive solutions for individuals and families, including planning, investments, banking, retirement, estate services, tax strategies, and more |
639 |
| 38 |
R.J. O'Brienrjobrien.com
Oldest independent futures brokerage and clearing firm, providing order entry technology, execution, and clearing services globally to diverse clients, with no proprietary trading. |
608 |
| 39 |
Jet Support Services, Inc. (JSSI)jetsupport.com
A leader in providing maintenance support, financial tools, and custom solutions for the business aviation industry with a focus on cost savings |
586 |
| 40 |
BDT & MSD Partnersbdtmsd.com
Merchant bank providing advisory and investment services tailored to business owners and long-term strategic investors for growth and success. |
575 |
| 41 |
Antares Capital LPantares.com
A seasoned alternative asset manager providing financing for PE-backed borrowers, focused on delivering risk-adjusted returns and long-term value for stakeholders |
573 |
| 42 |
DV Trading LLCdvtrading.co
A diversified financial services group specializing in proprietary trading, market making, brokerage, and investment advising, empowering individuals for success |
572 |
| 43 |
Northern Trust Asset Servicingnortherntrust.com
Global provider of asset servicing and related services for large and complex organizations, offering personalized guidance, technology solutions, and expertise worldwide |
570 |
| 44 |
Strongpoint Partnersstrongpointpartners.com
Tech-enabled platform providing TPA, recordkeeping, and integrated payroll/HR solutions for SMBs Emphasizes accuracy, compliance, and local expertise for retirement services |
521 |
| 45 |
NinjaTraderninjatrader.com
Industry-leading trading platform and futures broker with a flagship product offering advanced charting, market analytics, trading system development, trade simulation, and real-time data feeds |
520 |
| 46 |
Cressetcressetcapital.com
Boutique family office and wealth management firm serving CEOs, entrepreneurs, HNW individuals, and families nationwide, focused on reinventing the wealth and well-being experience |
512 |
| 47 |
Private Broker Clubprivatebrokerclub.com
Private Broker Club is a membership group for wealthy individuals in business, finance, and more, offering mutual support and exclusive opportunities for wealth-building and personal development |
484 |
| 48 |
Heitmanheitman.com
A global real estate investment management firm with $53 billion in assets under management, offering strategies for direct investments and securities |
473 |
| 49 |
Zieglerziegler.com
It is an investment bank focusing on healthcare, senior living, and education sectors, providing capital raising and advisory services. |
472 |
| 50 | 452 | |
| 51 |
OnDeckondeck.com
This company provides technology-driven access to credit for small businesses, focusing on business performance over personal credit scores |
448 |
| 52 | 447 | |
| 53 |
Fay Servicing, LLCfayservicing.com
With decades of experience, Fay Servicing provides personalized mortgage solutions to homeowners nationwide, committed to delivering meaningful customer service |
429 |
| 54 |
Performance Trust Capital Partnersperformancetrust.com
Specializes in investment banking services for community banks, providing balance sheet strategies, risk assessment, and educational support. |
421 |
| 55 |
Belvedere Trading, LLCbelvederetrading.com
Proprietary trading firm in Chicago specializing in utilizing cutting-edge technology and market experience to capitalize on marketplace inefficiencies for continued growth and success |
391 |
| 56 |
Harrison Streetharrisonst.com
Focused on alternative real assets, this firm invests in demographic-driven, needs-based sectors such as housing, healthcare, and infrastructure across global markets. |
382 |
| 57 |
Zacks Investment Researchzacks.com
Provides investment research focused on earnings estimate revisions, offering resources for individual investors and financial stability insights. |
375 |
| 58 |
Renovo Financialrenovofinancial.com
A residential real estate investment lender offering a full suite of loan programs and personalized service for rehabbing or building properties in multiple locations |
368 |
| 59 |
Zacks Research Pvt. Ltdwebmail.zacksindia.com
This company utilizes earnings estimate revisions to provide a stock rating system with a Strong Buy recommendation resulting in 28% average returns per year |
362 |
| 60 |
Thoma Bravothomabravo.com
investment firm specializing in software and technology sectors, managing assets, supporting growth, and improving operations of portfolio companies. |
339 |
| 61 | 338 | |
| 62 |
Monroe Capital LLCmonroecap.com
Premier asset management firm specializing in private credit markets, providing capital solutions and investment products to clients in the US and Canada |
338 |
| 63 |
Harris | Oakmarkharrisassoc.com
Investment management firm specializing in value investing, constructing portfolios with long-term quality companies trading below intrinsic value. |
331 |
| 64 |
Jackson National Asset Management, LLCjackson.com
A subsidiary providing investment advisory, transfer agency, fund accounting, and administration services for multi-class mutual funds, separate accounts, and variable products |
326 |
| 65 | 301 | |
| 66 |
ADM Investor Servicesadmis.com
Providing futures trade execution, market research, and customer service through a global network of brokers and subsidiaries. |
299 |
| 67 |
Wolverine Tradingwolve.com
A diversified financial institution specializing in proprietary trading, asset management, order execution services, and technology solutions across global markets |
287 |
| 68 |
Phillip Capital Inc.phillipcapital.com
Privately owned financial services company with a diverse suite of offerings including futures, equities, foreign exchange, and insurance, operating globally |
285 |
| 69 | 276 | |
| 70 |
Old Missionoldmissioncapital.com
Global market maker specializing in valuing securities and derivatives, trading trillions in financial instruments with proprietary systems, and offering tight prices to partners |
275 |
| 71 |
Geneva Tradinggenevatrading.com
A leading proprietary trading firm specializing in listed derivatives markets, known for fostering innovation and collaboration to drive immediate results |
275 |
| 72 |
Harbor Capital Advisors, Inc.harborcapital.com
Asset manager curating select active ETFs globally, partnering with boutique firms to deliver innovative, risk-adjusted investment solutions for advisors. |
273 |
| 73 |
Owningowning.com
A residential mortgage lender with licenses in multiple states, including Arizona, California, Georgia, New Jersey, and Texas Visit website for more information |
255 |
| 74 | 244 | |
| 75 |
Braintreepaypal.com
A global leader in mobile payments, providing commerce tools for merchants to accept payments in multiple currencies and methods securely |
232 |
| 76 |
zerohashzerohash.com
An embedded infrastructure platform enabling seamless integration of digital assets for fintech firms, offering trading, custody, rewards, and more |
232 |
| 77 |
TradeLink Holdings LLCtradelinkllc.com
A global firm specializing in proprietary trading, investment management, options market making, algorithmic trading, and quantitative modeling with advanced technology and strategic risk management |
230 |
| 78 |
Wintrust Bank Chicagowintrustbank.com
A community bank in Chicago offering personalized financial services to individuals, families, and small to middle market businesses with competitive products |
219 |
| 79 |
The Mather Group, LLCthemathergroup.com
Independent, fee-only registered investment advisory firm offering comprehensive financial planning services, with a fiduciary duty to always act in clients' best interest |
212 |
| 80 |
Fiducient Advisorsfiducientadvisors.com
An investment consulting firm dedicated to helping clients prosper by providing personalized, unbiased advice and practical solutions for financial success |
208 |
| 81 |
Curi Capitalcuricapital.com
Creating value through financial advice and investment solutions for individuals, families, institutions, and employers Specializing in wealth advising, family office services, asset management, and retirement plan solutions |
203 |
| 82 |
CoinFlipcoinflip.tech
A leading fintech company operating the world's largest network of cryptocurrency ATMs and offering services for buying, selling, and managing cryptocurrencies |
201 |
| 83 |
ARB Trading Grouparb-tg.com
Global proprietary trading offices in major financial hubs, offering professional infrastructure, capital, and support for traders worldwide to trade in diverse markets |
201 |
| 84 |
Ariel Investmentsarielinvestments.com
A global asset management firm founded in 1983, headquartered in Chicago with offices in New York, San Francisco, and Sydney Offers mutual funds and separate account strategies |
199 |
| 85 |
ThinkMarketsthinkmarkets.com
A provider of online trading services since 2010, offering education, technology, and guidance to traders worldwide, with a focus on financial literacy |
192 |
| 86 |
Amountfisglobal.com
Delivering comprehensive retail banking and point-of-sale solutions to enhance customer experiences through seamless omnichannel interaction and rapid digital innovation |
187 |
| 87 |
Radix Trading LLCradix-trading.com
A privately funded proprietary trading firm using research-driven strategies on major electronic markets worldwide with headquarters in Chicago Visit website for job opportunities |
181 |
| 88 |
BMO Family Officeuswealth.bmo.com
Wealth management advisory specializing in tailored solutions for single and multi-family offices, with expertise in investments, tax, estate planning, and family wealth strategies |
180 |
| 89 |
Headlands Technologies LLCheadlandstech.com
Global quantitative trading firm developing and implementing strategies in exchange-traded financial products, privately funded and not accepting outside investors |
176 |
| 90 |
Wintrust Wealth Managementwintrustwealth.com
Chicago-based wealth management firm providing financial services since 1931 to private clients and institutions, including trust and estate services, investment planning, and money management |
174 |
| 91 | 168 | |
| 92 |
Order Express, Incorderexpress.com
A retail financial services company based in Chicago, Illinois, with a Mexican heritage, offering services like money transfer, check cashing, and money orders |
166 |
| 93 |
Vitality Global
A leading health and wellness company using smart technologies to promote healthier lifestyles worldwide through personalized solutions and partnerships with insurers and employers |
164 |
| 94 |
F2 Strategyf2strategy.com
Wealthtech management consulting firm specializing in helping financial firms enhance technical capabilities for exceptional client and advisor experiences |
160 |
| 95 |
Marquette Associatesmarquetteassociates.com
Independent investment consulting firm dedicated to providing thoughtful guidance, personalized service, and fiduciary commitment to help clients reach their financial goals |
154 |
| 96 |
Zacks Investment Managementzacksim.com
A boutique wealth management firm utilizing insights from Zacks Investment Research to create the Zacks Dividend Strategy for clients |
153 |
| 97 |
A and N Mortgage Servicesanmtg.com
This company provides tailored mortgage programs at competitive rates, offering real estate guidance and striving to find the best options for clients |
151 |
| 98 |
Supernova Technologyโขsupernovacompanies.com
Cloud-based software solution automating securities-based lending, enabling advisors to deliver holistic advice and help clients achieve financial wellness Founded in 2014 in Chicago, Illinois |
151 |
| 99 |
Investment Property Exchange Services, Inc (IPX1031)ipx1031.com
Specializing in 1031 Tax Deferred Exchanges, the company offers exceptional customer service to help clients achieve their investment goals with financial security and industry expertise |
149 |
| 100 |
Aquatic Capital Managementaquatic.com
Aquatic develops high-performance systematic investment strategies with disciplined risk management, led by a collaborative team of researchers and engineers |
147 |
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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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