| # | 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 |
Health Care Service Corporationhcsc.com
Provides health coverage for employers, individuals, and families, including Medicare and Medicaid plans, plus related health care products and services. |
21,090 |
| 3 |
HUB Internationalhubinternational.com
Advises businesses and individuals on insurance, risk management, employee benefits, retirement, and wealth management with tailored solutions. |
16,129 |
| 4 |
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 |
| 5 | 11,608 | |
| 6 |
Bankers Lifecareersatbankerslife.com
The company provides insurance and investment solutions for middle-income Americans near or in retirement, with a focus on health and financial security |
11,377 |
| 7 |
CNA Insurancecna.com
Provides commercial property and casualty insurance products and services for businesses and professionals across the U.S., Canada, and Europe. |
7,473 |
| 8 |
Kemperkemper.com
Specialized insurer offering affordable personalized insurance solutions for individuals, families, and businesses through Auto and Life brands, serving over 49 million policies |
7,027 |
| 9 | 5,564 | |
| 10 |
Combined, a Chubb Benefits Companycombinedinsurance.com
Provider of supplemental accident, health, and life insurance products focused on affordable, clear, and easy-to-understand coverage for families. |
5,177 |
| 11 |
Bank of the Westbmo.com
Bank of the West, now part of the BMO Family, offers banking products and services through BMO Harris Bank NA Member FDIC |
4,892 |
| 12 |
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 |
| 13 |
Ryan Specialtyryanspecialty.com
International specialty insurance firm providing underwriting, product development, administration, risk management, and wholesale brokerage services for brokers and carriers. |
4,562 |
| 14 |
RT Specialtyrtspecialty.com
A leading wholesale distributor of specialty insurance products, providing expert risk modeling, market access, and claims advocacy for clients |
3,206 |
| 15 |
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 |
| 16 |
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 |
| 17 |
William Blairwilliamblair.com
Provides investment banking, management, and private wealth advisory services through independent, employee-owned operations and strategic global partnerships. |
2,584 |
| 18 | 2,463 | |
| 19 |
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 |
| 20 |
Sikichsikich.com
A global professional services company specializing in technology solutions, delivering transformative digital strategies and financial services to various clients worldwide |
2,335 |
| 21 |
Jump Tradingjumptrading.com
Trading firm active across asset classes and time zones. They build systems that move global markets with AI and machine learning at the core. |
2,111 |
| 22 |
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 |
| 23 |
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 |
| 24 |
Lincoln Internationallincolninternational.com
Advisory services for mergers, acquisitions, capital markets, valuations, and fairness opinions to private equity firms and companies worldwide. |
1,633 |
| 25 |
Enova Internationalenova.com
A financial services company offering online lending to small businesses and underserved consumers, providing over $52 billion in loans |
1,570 |
| 26 | 1,484 | |
| 27 |
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 |
| 28 | 1,275 | |
| 29 |
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 |
| 30 |
LaSalle Investment Managementlasalle.com
Specializes in managing real estate investments globally, serving institutional clients with expertise in equity and debt asset classes. |
1,087 |
| 31 |
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 |
| 32 | 997 | |
| 33 |
Northern Trust Asset Managementntam.northerntrust.com
Global manager providing capital markets research, portfolio construction, and risk management to deliver targeted outcomes for investors through innovative and efficient investment solutions. |
928 |
| 34 |
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 |
| 35 |
First Midwest Bankoldnational.com
A merged bank holding company with $46 billion in assets, ranking among the top 35 in the US, maintaining a community banking heritage |
898 |
| 36 |
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 |
| 37 |
Alliant Credit Unionalliantcreditunion.org
Innovative and fully digital financial institution disrupting the banking industry, prioritizing members and digital equity with exceptional customer service |
837 |
| 38 |
National Futures Associationfutures.org
Safeguard derivatives market integrity, protect investors, ensure member compliance with regulations, support community, and innovate financial industry regulation. |
819 |
| 39 |
Ryan Specialty Underwriting Managersryanspecialty.com
RSG Underwriting Managers provides commercial insurance solutions through 21 MGUs for over 80 lines of business in unique market niches |
809 |
| 40 |
GN Bankgnbank.net
Community-focused savings and loan association empowering Black residents with access to mortgage loans and quality housing for educational and employment opportunities |
781 |
| 41 |
Chicago Trading Companychicagotrading.com
A dynamic derivatives trading firm specializing in trading various products and strategies across asset classes with a global presence |
776 |
| 42 |
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 |
| 43 |
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 |
| 44 |
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 |
| 45 |
Independence Pet Groupindependencepetgroup.com
A leading provider of pet insurance and adoption software in North America, dedicated to strengthening the bond between pets and their owners |
706 |
| 46 |
Federal Home Loan Bank of Chicagofhlbc.com
Partner with members in Illinois and Wisconsin to provide competitively priced funding, investment returns, and community support activities. |
661 |
| 47 |
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 |
| 48 |
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 |
| 49 |
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 |
| 50 |
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 |
| 51 |
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 |
| 52 |
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 |
| 53 |
DV Trading LLCdvtrading.co
A diversified financial services group specializing in proprietary trading, market making, brokerage, and investment advising, empowering individuals for success |
572 |
| 54 |
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 |
| 55 |
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 |
| 56 |
Heitmanheitman.com
A global real estate investment management firm with $53 billion in assets under management, offering strategies for direct investments and securities |
473 |
| 57 |
Zieglerziegler.com
It is an investment bank focusing on healthcare, senior living, and education sectors, providing capital raising and advisory services. |
472 |
| 58 |
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 |
| 59 |
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 |
| 60 |
Harris | Oakmarkharrisassoc.com
Investment management firm specializing in value investing, constructing portfolios with long-term quality companies trading below intrinsic value. |
331 |
| 61 |
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 |
| 62 |
Phillip Capital Inc.phillipcapital.com
Formed in 2010, this company is a Futures Commission Merchant and Broker-Dealer, offering comprehensive financial services including futures, forex, equities, and fixed income. |
320 |
| 63 |
ADM Investor Servicesadmis.com
Providing futures trade execution, market research, and customer service through a global network of brokers and subsidiaries. |
299 |
| 64 |
Wolverine Tradingwolve.com
Diversified financial institution specializing in proprietary trading, asset management, order execution services, and technology solutions. A market leader in derivatives valuation, trading, and value-added order execution. |
291 |
| 65 |
KPMG Corporate Finance LLCcorporatefinance.kpmg.us
Global network of investment banking professionals providing mergers & acquisitions, financing, restructuring, and capital advisory services to clients worldwide Visit website for more information |
285 |
| 66 |
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 |
| 67 |
Geneva Tradinggenevatrading.com
A leading proprietary trading firm specializing in listed derivatives markets, known for fostering innovation and collaboration to drive immediate results |
275 |
| 68 |
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 |
| 69 |
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 |
| 70 |
Gelber Group LLCgelbergroup.com
A global proprietary trading firm based in Chicago, specializing in various asset classes and driven by trading innovation and technological advancements |
222 |
| 71 |
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 |
| 72 |
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 |
| 73 |
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 |
| 74 |
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 |
| 75 |
HDI Global Insurance Companyhdi.global
A commercial property and casualty insurer providing insurance solutions to global clients, offering commercial insurance programs for US corporations |
186 |
| 76 |
Berkley Select (a Berkley Company)berkleyselect.com
A prominent provider of professional liability insurance products for clients of various sizes and industries, offering coverage for complex needs |
143 |
| 77 |
NinjaHoldingsninjaholdings.com
A tech-driven company offering digital banking and lending products to empower underserved individuals, while also providing analytics services to businesses |
140 |
| 78 |
Rothschild Wealth Partnersrothschildinv.com
Employee-owned boutique firm offering wealth management and retirement planning services globally Trusted partner for wealthy families, business owners, and institutions |
118 |
| 79 |
Eagle Seveneagleseven.com
A global company leveraging advanced technology, skilled traders, and creative developers for optimal results in diverse asset classes across leading exchanges worldwide |
117 |
| 80 |
Chicago Atlanticchicagoatlantic.com
A private market investment firm specializing in multi-asset class investing, asset-based lending, real estate loans, digital mining, and project finance |
117 |
| 81 |
XR Tradingxrtrading.com
Proprietary trading firm providing liquidity in various financial markets through technology-driven automated market-making strategies Emphasis on collaboration and talent |
109 |
| 82 |
Great Point Capital LLCgreatpointcapital.com
This company is a FINRA broker-dealer specializing in retail and proprietary equity day trading, offering access to capital, leading software, and expert support |
107 |
| 83 |
CI Segall Bryant & Hamillcisbh.com
Established in 1994, offering professional portfolio management services for domestic and international equity, fixed income, and alternative investments to institutional and intermediary clients |
106 |
| 84 |
PGIM Private Capitalpgimprivatecapital.com
The company leverages its global network, relationships, and experience for long-term investments, providing deal flow to investors and building relationships with issuers |
101 |
| 85 |
Driehaus Capital Management LLCdriehaus.com
A privately-held investment management firm that offers global, emerging markets, US growth equity, and alternative investment strategies to a diverse institutional client base |
98 |
| 86 |
TJM Institutional Servicestjmbrokerage.com
Specializing in agency executions, we assist institutional operations in accessing global financial markets with over 30 years of experience in various asset classes |
95 |
| 87 |
Great Lakes Advisors庐greatlakesadvisors.com
A Chicago-based investment firm offering a wide range of fixed income and equity strategies with deep portfolio management capabilities in ESG and customized account solutions |
87 |
| 88 |
Old Republic General Insurance Grouporgig.com
Specializing in property and casualty insurance, the company offers specialized coverages for various industries, serving large corporations, small businesses, and consumers |
86 |
| 89 |
Flexpoint Fordflexpointford.com
Private equity investment firm specializing in financial services and healthcare industries, with flexibility in investment size, structure, and asset class |
84 |
| 90 |
Victory Park Capital Advisorsvictoryparkcapital.com
Global alternative investment manager providing creative financing solutions to emerging and established businesses worldwide, with a focus on industries traditionally underserved by traditional sources of capital |
82 |
| 91 |
Arete Wealtharetewealth.com
Financial services firm offering asset management, investment banking, alternative investments, private equity programs, and insurance services through a nationwide network of advisors and offices |
78 |
| 92 |
GEM Realty Capitalgemrc.com
A Chicago-based real estate investment company with over $6 billion in assets under management, investing in various real estate assets and securities |
77 |
| 93 |
Lakeshore Financial Grouplsfgchi.com
A financial group providing personalized solutions and a range of products to protect and grow clients' assets, with a focus on integrity and long-term relationships |
73 |
| 94 |
Maranon Capitalmaranoncapital.com
Investment firm specializing in private credit investments, offering a range of financing and equity co-investment solutions for middle market companies |
70 |
| 95 |
AAM - Insurance Investment Managementaamcompany.com
Dedicated to insurance asset management with $23 billion AUM, AAM offers expert portfolio management, in-house research, and personalized service for clients' investment needs |
69 |
| 96 |
50 South Capital50southcapital.com
Alternative asset management firm providing access to hedge funds, private equity, and real assets solutions, focusing on risk-adjusted returns and diversification for investors |
67 |
| 97 |
The Peakstone Grouppeakstonegroup.com
A leading US investment bank specializing in middle market companies, offering tailored capital solutions and global transaction expertise for superior outcomes |
63 |
| 98 |
Duff & Phelps Investment Management Co.dpimc.com
Specialized investment management firm with expertise in Global Listed Real Estate, Infrastructure, Clean Energy, Water, and Diversified Real AssetsisActive management with fundamental research |
62 |
| 99 |
PT Asset Management, LLCptam.com
Chicago-based boutique fixed income asset manager delivering superior long-term results by uncovering compelling opportunities and managing approximately $597 billion in assets |
58 |
| 100 |
Milliman Financial Risk Managementfrm.milliman.com
Offering a wide range of managed risk investments that provide essential risk management tools for institutions and individuals in financial markets |
56 |
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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 24, 2026.
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The same list elsewhere in United States
- Financial services firms in the United States 5,016
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