The 73 largest companies in Oak Brook

Ace Hardware Corporationacehardware.com

A global hardware retail cooperative with 5,500 stores in 70 countries, offering distribution services and emphasizing community engagement

Advocate Health Careadvocatehealth.com

Integrated nonprofit health system providing clinical innovation, specialized care, extensive research, education, and community benefits across multiple U.S. states.

Athleticoathletico.com

A leading provider of orthopedic rehabilitation services with over 900 locations nationwide, committed to quality care, patient satisfaction, and community outreach

Lions Clubs Internationallionsclubs.org

Provide vision and health screenings, build parks, support eye hospitals, award scholarships, assist youth, and aid disaster relief worldwide.

Portillo'sportillos.com

Established in 1963, this company serves fresh and homemade food in nostalgic themed restaurants, specializing in classic Chicago-style hot dogs and Italian beef sandwiches

Mauser Packaging Solutionsmauserpackaging.com

Global leader in packaging solutions and services across the packaging lifecycle, providing metal, plastic, fiber, and hybrid packaging to various industries.

TreeHouse Foodstreehousefoods.com

Company provides private label food and beverage solutions to retail grocery and foodservice customers in North America, offering quality and value across multiple product categories

Hub Grouphubgroup.com

Provides tailored, technology-driven supply chain and transportation solutions with extensive assets, focusing on cost control, service quality, and sustainability.

Chamberlain Groupchamberlaingroup.com

A global leader in intelligent access technology, providing seamless, secure access to homes and businesses through innovative products and software solutions

Worldpacworldpac.com

Import and distribute OE quality replacement automotive parts for import specialty repair shops with over 100,000 part numbers available

ASC Engineered Solutionsasc-es.com

ASC Engineered Solutions is a unified brand focused on providing quality, precision-engineered products and exceptional customer service to support customer success

Sterigenicssterigenics.com

Global leader in comprehensive sterilization services for medical device, pharmaceutical, and food safety industries, ensuring safety of patients worldwide through various sterilization technologies

Jorie AIjorie.ai

A healthcare company specializing in practice and financial management services, with a focus on revenue capture for physician and hospital support

Inspira Financialinspirafinancial.com

Inspira Financial provides health, wealth, retirement, and benefits administration services to organizations and individuals to simplify their financial journey

247Hire247hire.com

Empowering organizations with cost-effective staffing solutions and offshore services, including VMS, onboarding, and recruiting, backed by 20+ years of experience and global leadership

Winland Foodswinlandfoods.com

Global manufacturer of private label and branded foods for retail and co-pack customers, creating delicious food using fine ingredients with high standards

CIeNET Technologiescienet.com

A leading technology service provider offering technical consulting, software engineering, and solution services to Fortune 500 companies globally with top-notch quality assurance processes

A. M. Castle & Co.amcastle.com

Global supplier and processor of specialty metals serving aerospace, defense, industrial, and medical markets with quality and reliability.

CyberTech Systems and Software, Inccybertech.com

Specializing in Enterprise Cloud Transformation, providing Cloud-based SAP and Esri ArcGIS solutions for improved customer experiences, real-time insights, productivity, and spatial analytics integration

ReaderLinkreaderlink.com

Leading book distributor in North America, shipping over 325 million books annually and generating $3 billion in sales for partners Serving 300+ retailers with diverse services

Federal Signal Corporationfederalsignal.com

Global supplier of quality equipment for material movement, infrastructure cleaning, and community protection, serving various customers with innovative solutions worldwide

BWAY Corporationmauserpackaging.com

Provides large, small metal, plastic, fiber, and hybrid packaging globally for diverse industries, offering sustainable solutions across the entire packaging lifecycle.

The Inland Real Estate Group of Companies, Inc.inlandgroup.com

A leading commercial real estate and finance group with a focus on creating, developing, and supporting member companies in the industry

Tenpathtenpath.com

A multinational leader in outsourced IT Professional Services, specializing in building offshore development teams and providing custom software solutions

Radiological Society of North America (RSNA)rsna.org

A non-profit organization representing radiologic subspecialties worldwide, promoting excellence in patient care through education, research, and technological innovation

Heniff Transportation Systemsheniff.com

A leading provider of bulk liquid chemical and food transportation services, offering trucking, rail transloading, depot services, tank cleaning, and maintenance across North America

International Equipment Solutionsindustrialtoolsandattachments.com

A global engineered equipment company focused on providing strong value propositions, outstanding customer service, and long-term growth strategies across domestic and international markets

ND Paperus.ndpaper.com

A leading manufacturer of high-quality and sustainable pulp, packaging, and paper products with integrated facilities in various locations

LAUNCH Technical Workforce Solutionslaunchtws.com

Aviation, industrial, and ground transportation staffing leader providing workforce solutions with a focus on client needs, professionalism, and commitment worldwide

Wavicle Data Solutionswavicledata.com

Providing customized data strategy, cloud migration, AI-powered analytics, and business intelligence solutions for various industries to enable confident decision-making.

Streamline Healthcare Solutionsstreamlinehealthcare.com

Streamline specializes in providing SmartCare™ EHR solutions for behavioral health organizations to operate efficiently and transform the way they deliver care

WittKiefferwittkieffer.com

A premier executive search and leadership advisory firm specializing in developing impactful leadership teams for organizations in healthcare, science, and education sectors

Maxcessmaxcessintl.com

Global leader in web handling solutions with a worldwide presence, offering expertise, innovation, and customization across various brands for optimal performance

Henricksenhenricksen.com

Full-service furniture dealership offering a wide range of quality contract furniture, flooring, lighting, and architectural product solutions to diverse markets

National Insurance Crime Bureaunicb.org

The company collaborates with insurance companies, consumers, and law enforcement to fight against insurance fraud and theft

Collegis Educationcollegiseducation.com

A company focused on transforming education by helping higher ed institutions achieve strategic outcomes through data, technology, and industry expertise

SenecaGlobalsenecaglobal.com

A values-driven software development and technical advisory firm focused on middle-market clients, delivering high-quality, cost-effective solutions with long-term partnerships

Zonta Internationalzonta.org

A global organization empowering women through service, advocacy, and scholarship programs, with members in 63 countries volunteering for local and international projects

Accelerated Rehabilitation Centers combined with Athletico Physical Therapyathletico.com

A provider of physical therapy services with over 330 locations in nine states, focused on improving communities and patient outcomes

RHM Staffing Solutionsrhmstaffing.net

Provider of flexible technical support solutions for manufacturing companies in the Midwest Area Specializing in engineering and manufacturing staffing for various employment opportunities

Hub Group Fulfillmenthubgroup.com

Provider of innovative and tailored supply chain solutions, specializing in transportation, logistics management, omni-channel fulfillment, and e-commerce order fulfillment services

TOMY Internationalus.tomy.com

The company offers innovative and high-quality toys and nursery products to bring smiles to children and families worldwide

Hub Group Brokeragehubgroup.com

The company offers innovative supply chain solutions tailored to each client's needs, utilizing technology and industry expertise to drive long-term success

Hub Group Logisticshubgroup.com

A supply chain solutions company with innovative transportation services, asset-backed network, proprietary technology, and focus on customer-centric strategies and sustainability initiatives

Grantekgrantek.com

Specializing in Manufacturing IT, Automation, Safety, and Consulting solutions, this company enables higher ROI through process improvement and tailored solutions

Ace Hardware Internationalacehardwareintl.com

A global home improvement franchise with over 4,850 stores in 60 countries, offering quality products, service, and convenience to customers worldwide

Forward Intermodalmegaplusredirection.tedata.net

Specializing in multi-modal transportation services including container drayage, LTL line haul, warehousing, and dedicated contract carriage solutions across various key markets

CenterPoint Propertiescenterpoint.com

CenterPoint Properties specializes in developing, acquiring, and managing industrial property and transportation infrastructure to enhance supply chain efficiency

duh

A Hospital and Health Care company located in Illinois, providing services at their Oak Brook location on 2425 W 22nd St

RC2us.tomy.com

A leading designer and marketer of high-quality toys, collectibles, and infant products with popular licensed brands and a global distribution network

Affinity Healthaffinityhealthcorp.com

A healthcare company specializing in research studies, clinical trials, medical services, patient recruitment, and clinical research training with a patient-centered approach

IMRFimrf.org

IMRF is a statewide public pension system in Illinois with over $50 billion in assets, serving 442,000 members and 3,030 government units

Superior Carriersheniff.com

A leading bulk truck carrier in North America with a focus on transporting a variety of bulk chemical products in a safe and environmentally responsible manner

Joint Commission Internationaljointcommissioninternational.org

An international organization helps healthcare facilities improve outcomes, empower staff, and achieve accreditation for safer, higher-quality patient care

ITsavvyitsavvy.com

A rapidly growing IT firm offering end-to-end infrastructure solutions to a wide range of clients, specializing in cloud, network, security, and collaboration services

Independence Plus, Inc.independenceplus.com

A leading provider of complex care at-home since 1987, specializing in treating patients with medical and respiratory needs, offering one-on-one care and clinical management support

Emery Jensen Distributionemeryjensendistribution.com

National distributor serving independent retailers in hardware, pro-lumber, grocery, and e-commerce with 16 distribution centers and access to over 100,000 SKUs

PlaneTechs LLClaunchtws.com

A leading aviation workforce solutions provider acquired PlaneTechs, adding skilled technicians to its roster and expanding capabilities to meet industry demand

Apex Companiesapex-cos.com

Full-service warehousing partner offering systems design, automation integration, racking components, forklifts, and training Committed to streamlining the customer experience

Retail Properties of America, Inc. (RPAI)RPAI.com

A REIT specializing in owning and operating open-air shopping centers with mixed-use components, strategically positioned to benefit from retail trends

IGT Logistics INCigtfreight.com

Privately-owned third-party logistics provider specializing in over-the-road trucking and international shipping, offering diverse freight services across the US and Canada.

Green Coffee Companygreencoffeecompany.com

A Colombian coffee company prioritizing sustainability and equity through innovative agricultural practices, producing exceptional coffee for farming communities and partners

Genecageneca.com

A technology consulting firm focused on delivering business benefits through transparent, innovative software solutions, building successful partnerships with clients

Shamrock Labelsshamrocklabels.com

Innovative provider of labels and forms for healthcare, laboratory, pharmacy, and research with multiple locations for nationwide customer service and production

Zethcon, A Made4net Companymade4net.com

Global provider of cloud-based supply chain execution & warehouse management solutions for improved speed & efficiency Real-time inventory visibility & performance analytics drive accurate order fulfillment

HitechPeople Inchitechpeopleinc.com

An IT and ITES solution provider specializing in technology prototypes and products for digital transformation, profit growth, performance enhancement, and stakeholder satisfaction

Amro Insuranceamroinsurance.com

The company offers innovative solutions for a variety of enterprise risks including operational, liability, cyber, and environmental risks, among others

IRC Retail Centerspinetree.com

Specializing in necessity and value-based retail, we manage a portfolio of high quality shopping centers in the Central and Southeastern US

ICRES - Inland Commercial Real Estate Services LLCiires.propertycapsule.com

A real estate services company managing 300+ properties totaling 17M+ sq ft of commercial real estate across 43 states View social media policy online

Affluence Corporationaffucorp.com

A technology company specializing in edge computing and cloud solutions, focusing on IoT, AI, and 5G technologies through strategic investments in mid-market businesses

IDS - IT Solutionsidsforward.com

Providing custom IT solutions to enterprises globally, from data strategy to cloud enablement and managed services, focused on driving efficiency and competitive advantage

Sentinus, LLC.rothschildwealth.com

A wealth management firm offering tailored solutions for clients, focusing on risk assessment, asset protection, investment management, insurance solutions, succession planning, and philanthropic strategies

BIGUES ENERGYbiguesenergy.com

Global leader in renewable energy sector, offering engineering, construction, and operational services worldwide Part of a diversified industrial group with multiple sectors