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College of DuPage Library

Extensive listings of business resources & databases.

Innovation DuPage

Located in DuPage County, Illinois, Innovation DuPage empowers entrepreneurs, inspires and informs businesses, educational and governmental partners through focused collaboration, resource sharing and strategic development of the regional innovation ecosystem.  Innovation DuPage will significantly impact regional economic development by leveraging public and private partners in support of startup and early-stage business enterprises by connecting them to the knowledge, expert mentors and resources necessary to succeed.

Illinois Department of Commerce & Economic Opportunity

Experts, networks, tools and other opportunities transform your business into an appealing investment for lenders. That's where success begins. We partner with well-respected business development organizations and educational institutions that work with clients who have the vision and potential to become a high-growth enterprise. Whether your company employs two people or 102, we can help you Connect Outside The Box - it's a new way of thinking that extends beyond your own knowledge and experience to activate the possibilities!

U.S. Small Business Administration

The SBA's mission is to maintain and strengthen the nation's economy by aiding, counseling, assisting and protecting the interests of small businesses and by helping families and businesses recover from national disasters. Since its founding on July 30, 1953, the U.S. Small Business Administration has also delivered millions of loans, loan guarantees, contracts, counseling sessions and other forms of assistance to small businesses. Information regarding the 8(a) and HUBZone certification programs, and exporting opportunities.


U.S. International Trade Administration

The U.S. Commercial Service is the trade promotion arm of the U.S. Department of Commerce's International Trade Administration. U.S. Commercial Service trade professionals in over 100 U.S. cities and in more than 75 countries help U.S. companies get started in exporting or increase sales to new global markets.

Illinois Office of Trade & Investment

Illinois already produces ideas and products which enhance lives around the world, but we should never be satisfied with the status quo if we want to remain competitive and succeed in the global arena. Illinois must continue to invest in educating our workforce, and support our technology, innovation, and entrepreneurship programs so Illinois products and services will continue to be sought-after commodities worldwide. One of my duties as your Governor is to work with countries, government leaders and business partners around the world to create new markets for Illinois products, as on my trade missions to China, Canada, Brazil, and Mexico.

U.S. Export Assistance Centers

The Commercial Service has a network of export and industry specialists located in more than 100 U.S. cities and over 80 countries worldwide. These trade professionals provide counseling and a variety of products and services to assist small and midsized U.S. businesses export their products and services.

U.S. Customs and Border Patrol

In order to avoid potential problems in the clearance of your merchandise, U.S. Customs and Border Protection (CBP) strongly recommends that you familiarize yourself with CBP policies and procedures prior to actually importing/exporting your goods. You should also be aware of any entry requirements specific to the particular commodity you are importing/exporting, including those of other federal agencies. To assist you, we offer the following tips for new importers and exporters

Data Universal Numbering System/DUNS

Once assigned, a D-U-N-S® Number is neither reused nor assigned to another business. Used by the world’s most influential standards-setting organizations, the D-U-N-S® Number is recognized, recommended, and/or required by more than 200 global, industry, and trade associations, including the U.N., European Commission, and the U.S. Federal Government.

System for Award Management/SAM

The System for Award Management (SAM) is combining federal procurement systems and the Catalog of Federal Domestic Assistance into one new system. This consolidation is being done in phases. The first phase of SAM includes the functionality from the following systems:

  • Central Contractor Registry (CCR)
  • Federal Agency Registration (Fedreg)
  • Online Representations and Certifications Application
  • Excluded Parties List System (EPLS)


The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.

The single government point-of-entry for Federal government procurement opportunities over $25,000. Government buyers are able to publicize their business opportunities by posting information directly to FedBizOpps via the Internet.

Federal Procurement Data System

For contracts whose value or estimated value is $3,000 or more. Every modification to that contract, regardless of dollar value, must be reported to FPDS-NG.

GSA Schedules

GSA Schedules are fast, easy, and effective contracting vehicles for both customers and vendors. For GSA Schedules, GSA establishes long-term governmentwide contracts with commercial companies to provide access to millions of commercial products and services at volume discount pricing.

County Business Patterns

Provides data on the total number of establishments, mid-March employment, first quarter and annual payroll, and number of establishments by nine employment-size classes by detailed.

Write your Representative

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Write your Senator

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Top 10 Need to Know Questions When Launching a Business in Illinois

Feeling overwhelmed because you need to write a business plan to launch that great idea? Think lean! Do not rewrite a novel like "War and Peace". We offer guidance to navigate your way to a concise, well written & valuable business plan that will not only launch your business but continue to direct your business to future success.

SCORE – Fox Valley Chapter

The SBDC also hosts the Fox Valley Chapter of S.C.O.R.E. (Service Corps of Retired Executives). S.C.O.R.E. provides free, confidential business mentoring to anyone who is operating a small business or thinking about starting one.

Association of Small Business Development Centers

America's Small Business Development Center Network is the most comprehensive small business assistance network in the United States and its territories. The mission of the network is to help new entrepreneurs realize their dream of business ownership, and assist existing businesses to remain competitive in the complex marketplace of an ever-changing global economy.


Contact Information

Business Development Center
535 Duane Street, Office 233
Glen Ellyn IL 60137
(630) 942-2600

Rita Haake, Center Manager
Phone: (630) 942-2184
Fax: (630) 942-2606

Regular Hours
Monday to Friday: 8:30 a.m. to 5 p.m.