Best fortune 500 companies in Chicago, IL

Headquartered in Little Rock, Arkansa, Windstream Enterprise provides cloud-optimized network and communications solutions, including SD-WAN and UCaaS, to empower businesses to solve today's most complex technology challenges. With deep industry knowledge and an agile, collaborative approach to addressing unique customer needs, they enable businesses to optimize performance, engage customers, and protect against threats in a constantly evolving cloud-connected world.

Ally Financial Inc. is a automotive financial services company powered by a top direct banking franchise. Ally's automotive services business offers a full suite of financing products and services, including new and used vehicle inventory and consumer financing, leasing, inventory insurance, commercial loans and vehicle remarketing services. Ally Bank, the company's direct banking subsidiary, offers an array of deposit products, including certificates of deposit, savings accounts, money market accounts, IRA deposit products and interest checking. Ally's Commercial Finance unit provides financing to middle-market companies across a broad range of industries.

AmTrust Financial Services, Inc., is a New York City-based multinational property and casualty insurance company, offering workers' compensation, general liability, business owners policies, cyber liability, EPLI and more.

A biotechnology innovator since 1980, Amgen has grown to be one of the world's leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential. Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology. Our belief—and the core of our strategy—is that innovative, highly differentiated medicines that provide large clinical benefits in addressing serious diseases are medicines that will not only help patients, but also will help reduce the social and economic burden of disease in society today.

Dell is transforming computing and providing high quality solutions that empower people to do more all over the world.

Established in 1989, Laser Concepts has earned a reputation for excellence as a service provider and offers exceptionally high-quality products. They provide inks, printers, fax machines, and copiers, to name a few. Aside from production, they also offer services.

The Federal National Mortgage Association, commonly known as Fannie Mae, is a United States government-sponsored enterprise and, since 1968, a publicly traded company.

Salesforce is the Customer Success Platform that, along with social and mobile cloud technologies such as flagship sales and CRM applications, helps companies connect with customers, partners, and employees. Its innovative cloud-based platform and great customer service helped Salesforce become the world's fourth-largest software company. The company was founded in 1999 and is based in San Francisco, CA.

The Mosaic Company is the world's leading integrated producer and marketer of concentrated phosphate and potash. They employ more than 15,000 people in six countries and participate in every aspect of crop nutrition development. They mine and process phosphate and potash minerals into crop nutrients and then ship via rail, barge and ocean-going vessel to their customers in the major agricultural centers of the world.

P &G is the world's largest consumer goods company that offers products in five segments: Beauty; Grooming; Health Care; Fabric & Home Care; and Baby, Feminine & Family Car from trusted brands such as: Always(r), Charmin(r), Braun(r), Fairy(r), Febreze(r), Gillette(r), Head & Shoulders(r), Oral B(r), Pantene(r), Pampers(r), Tide(r), etc. The Procter & Gamble Company was founded in 1837 and is headquartered in Cincinnati, Ohio, with operations in approximately 70 countries worldwide.

Adobe, established in 1982, is the global leader in digital media and digital marketing solutions. Tools and services by Adobe enable its customers to create digital content, deploy it across media and devices, and then continually measure and optimize it based on user data. Adobe's mission is to change the world through digital experiences. The company has over 10,000 employees and has its headquarters in San Jose, CA.

Markel Corporation (NYSE - MKL) is a holding company based in Richmond, Virginia. Markel is listed on the NYSE and trades under the ticker symbol “MKL.” Founded in 1930, Markel underwrites customized insurance products. Insurance segments include Markel Wholesale, Global Insurance, Markel Specialty, Global Reinsurance, and Markel International (including Syndicate 3000, Markel International Insurance Company Limited, and Markel Resseguradora do Brasil S.A.). Markel Ventures, a subsidiary that makes strategic investments in companies outside of the insurance marketplace, is another important component of our business.

Cisco Systems, Inc., established in 1984, designs, manufactures, and sells Internet Protocol based networking and other products related to the communications and information technology industry worldwide. The company's technology powers entertainment, retail, healthcare, education, and other markets. Cisco System's core development areas are routing and switching, as well as in advanced technologies such as home networking, IP telephony, optical networking, security, storage area networking, and wireless technology. Today, the company has more than 71,000 employees worldwide. Its headquarters are located in San Jose, CA.

Microsoft is an American multinational corporation that develops, manufactures, licenses, supports, and sells a range of software products and services. Microsoft's devices and consumer (D&C) licensing segment licenses Windows operating system and related software; Microsoft Office for consumers; and Windows Phone operating system. The company's computing and gaming hardware segment provides Xbox gaming and entertainment consoles and accessories, second-party and third-party video games, and Xbox Live subscriptions; surface devices and accessories; and Microsoft PC accessories. Its phone hardware segment offers Lumia smartphones and other non-Lumia phones. Its D&C other segment provides Windows Store, Xbox Live transactions, and Windows phone store; search advertising; display advertising; Office 365 Home and Office 365 Personal; first-party video games; and other consumer products and services as well as operating retail stores. Microsoft's commercial licensing segments licenses server products, including Windows Server, Microsoft SQL Server, Visual Studio, System Center, and related Client Access Licenses (CALs); Windows Embedded; Windows operating system; Microsoft Office for business, including Office, Exchange, SharePoint, Lync, and related CALs; Microsoft Dynamics business solutions; and Skype. Its commercial other segment offers enterprise services, including premier support services and Microsoft consulting services; commercial cloud comprising Office 365 Commercial, other Microsoft Office online offerings, Dynamics CRM Online, and Microsoft Azure; and other commercial products and online services. The company markets and distributes its products through original equipment manufacturers, distributors, and resellers, as well as online. Microsoft Corporation was founded by Bill Gates and Paul Allen in 1974. It is based in Redmond, Washington.

Humana Inc., headquartered in Louisville, Kentucky, is a leading health care company that offers a wide range of insurance products and health and wellness services that incorporate an integrated approach to lifelong well-being. Since Humana's establishment in 1961, the company's main purpose has been to support people in their daily endeavors to live a healthy life, create innovative programs and partnerships that reflect the company's commitment.

Kinder Morgan is the largest midstream and the fourth largest energy company (based on combined enterprise value) in North America. They own an interest in or operate approximately 82,000 miles of pipelines and 180 terminals. Their publicly traded companies include Kinder Morgan, Inc. (NYSE: KMI), Kinder Morgan Energy Partners, L.P. (NYSE: KMP), Kinder Morgan Management, LLC (NYSE: KMR) and El Paso Pipeline Partners, L.P. (NYSE: EPB).

PayPal is a global leader in online payment solutions. Its service allows almost anyone to pay online without sharing their full financial information with the sellers. PayPal is available in 202 countries and 25 currencies around the world. PayPal helps people safely access and move their money and offers a choice of how they would like to pay or be paid. Located in San Jose, California, PayPal was founded in 1998. Its international headquarters is located in Singapore.

The Goldman Sachs Group, Inc. provides investment banking, securities, and investment management services, as well as financial services to corporations, financial institutions, governments, and high-net-worth individuals worldwide. Its Investment Banking segment offers financial advisory services, including advisory assignments with respect to mergers and acquisitions, divestitures, corporate defense, risk management, and restructurings and spin-offs; and underwriting services comprising public offerings and private placements of a range of securities, loans and other financial instruments, and derivative transactions. The company's Institutional Client Services segment provides client execution services, such as fixed income, currency, and commodities client execution related to making markets in interest rate products, credit products, mortgages, currencies, and commodities; and equities related to making markets in equity products, as well as executes and clears institutional client transactions on stock, options, and futures exchanges. This segment also engages in securities services business providing financing, securities lending, and other brokerage services to institutional clients, including hedge funds, mutual funds, pension funds, and foundations. Its Investing and Lending segment originates longer-term loans; and invests in debt securities, loans, public and private equity securities, real estate, consolidated investment entities, distressed assets, currencies, commodities, and power generation facilities. The company's Investment Management segment provides investment products and services, as well as offers wealth advisory services, including portfolio management and financial counseling, and brokerage and other transaction services. The Goldman Sachs Group, Inc. was founded in 1869 and is headquartered in New York, New York.

United States Steel Corporation is an integrated steel producer with major production operations in the United States, Canada and Central Europe and an annual raw steelmaking capability of 27 million net tons. The company manufactures a wide range of value-added steel sheet and tubular products for the automotive, appliance, container, industrial machinery, construction, and oil and gas industries.