Consulting firms in Illinois

Tata Consultancy Services Limited is an global IT services, business solutions and outsourcing company headquartered in Mumbai, India. It is the largest provider of information technology in Asia and second largest provider of business process outsourcing services in India. TCS has offices in over 47 countries with more than 142 branches across the globe and is a subsidiary of textiles and manufacturing conglomerate Tata Group.

TekLink focuses on SAP specific Professional Services. TekLink offers SAP consulting in BW / BI, Mobility, In-Memory Solutions, BusinessObjects Planning & Consolidation (BPC), BusinessObjects, NetWeaver (Basis, Portals and ABAP), ETL (Extraction Transformation Load), Production Support in onshore and offshore models and BI Roadmap & Strategy.

The Advisory Board Company is a global research, consulting, and technology firm partnering with 125,000 leaders in 3,200 organizations across health care and higher education.

The Capital Markets Company N.V., referred to as Capco, is a global business and technology consultancy based in Antwerp, Belgium with offices in financial centers across North America, Europe, Asia, and Africa. Capco is a subsidiary of FIS company based in Jacksonville, Florida. Capco works only in the financial services industry, unlike the Big Four professional services firms. As of the 1st November 2015, Capco had more than 3,000 employees internationally, and 23 offices.

The Claro Group, LLC is a financial, economic and management consulting firm. The Claro Group, LLC is headquartered in Chicago, Illinois. The company has locations in Houston, Texas; Los Angeles and Santa Monica, California.

The IQ Business Group is a provider of data and information management solutions for highly regulated industries and the public sector. The firm's services focus on enterprise content and records management (ECRM).

ThoughtWorks is a privately owned global IT consultancy that delivers custom software, software tools, consulting, and transformation services to Global 1000 companies. It has a products division, ThoughtWorks Studios, which creates and markets software development and project management applications. The company is closely associated with the movement for agile methods of software development.

TM Floyd & Company is an information technology consulting group. TMF provides information technology and consulting services to the healthcare and property and casualty industries.

Tribridge is an information technology consulting firm that provides services in Enterprise Resource Planning (ERP), Customer Relationship Management (CRM),Portals and Collaboration, Custom Software Development, IT Security, Business Intelligence, Network Infrastructure, Cloud Computing and Microsoft Dynamics implementation.

TPC is a tax and business advisory firm.

Unisys designs, builds, and manages mission-critical environments for businesses and governments. The company focuses on services in Security, Data Center Transformation and Outsourcing, End User Outsourcing and Support Services and Application Modernization.

West Monroe Partners is a Chicago based consulting and professional services firm that provide business and technology services including Customer Resource Management consulting, Enterprise Resource Planning consulting, and Supply Chain Management.

Wipro Limited formally Western India Products Limited is a global IT services and consulting company headquartered in Bangalore, India. As of 2011, Wipro is the second largest IT services company by turnover in India and employs more than 120,000 people worldwide as of March 2011. It provides outsourced research and development, infrastructure outsourcing, business process outsourcing and business consulting services.