- AFP Chicago: afpchicago.org
- Alliance of Illinois Community Foundations: allianceilcf.org
- Arts DuPage: artsdupage.org
- Board Source: boardsource.org
- Chamber630: chamber630.com/about/committees-networks-groups
- Charity Navigator: charitynavigator.org
- Chicago Council on Planned Giving: ccpgonline.org
- Choose DuPage: choosedupage.com
- Council on Foundations: cof.org
- DuPage Convention & Visitor's Bureau: discoverdupage.com
- DuPage County: dupageco.org
- DuPage County Bar Association: dcba.org
- DuPage County Continuum of Care: dupagehomeless.org
- DuPage County Estate Planning Council: dpestateplan.org
- DuPage C.R.I.S. (Community Resource Information System): 211dupage.gov
- DuPage Early Childhood Collaboration: dupagedecc.org
- DuPage Federation on Human Services Reform: dupagefederation.org
- Financial Planning Association of Illinois: fpaillinois.org
- Forefront: myforefront.org
- Giving DuPage: givingdupage.org
- Glen Ellyn Chamber of Commerce: glenellynchamber.com
- GuideStar: guidestar.org
- Illinois Attorney General - Building Better Charities: illinoisattorneygeneral.gov/charities
- Illinois CPA Society: icpas.org
- Impact DuPage: impactdupage.org
- IRS: irs.gov
- National Association of Charitable Gift Planners: charitablegiftplanners.org
- Naperville Area Chamber of Commerce: naperville.net
- Naperville Community Television: nctv17.org
- Oak Brook Chamber of Commerce: obchamber.com
- West Suburban Philanthropic Network: wspnonline.org
- Wheaton Chamber of Commerce: wheatonchamber.com