Allen County Genealogical Society of Indiana
P.O. Box 12003
Ft. Wayne, IN 46862 http://www.acgsi.org IGS chapter since: April 1989 Represents: Allen County
Bartholomew County Genealogical Society
P.O. Box 2455
Columbus, IN 47202 IGS chapter since: November 1991 Represents: Bartholomew County
Northwest Territory Genealogical Society
c/o Knox County Public Library
502 N. 7th St.
Vincennes, IN 47591 IGS chapter since: August 2000 Represents: Knox County and surrounding area
Tri-State Genealogical Society
c/o Willard Library
21 First Ave.
Evansville, IN 47710 http://tristategenealogicalsociety.weebly.com/ IGS chapter since: August 2000 Represents: southwestern Indiana; southeastern Illinois; western Kentucky
Genealogical Society of Marion County
9350 E. Washington St.
Indianapolis, IN 46229 http://www.genealogyindy.org IGS chapter since: December 2000 Represents: Marion County
Northwest Indiana Genealogical Society
P.O. Box 595
Griffith, IN 46319 http://www.nwigs.org IGS chapter since: December 2000 Represents: Lake and Porter counties
Elkhart County Genealogical Society
P.O. Box 1031
Elkhart, IN 46515-1031 http://www.elkhartcogensoc.org IGS chapter since: May 2001 Represents: Elkhart County
Monroe County Historical Society
202 E. Sixth St.
Bloomington, IN 47408
Phone (812) 355-5588 http://www.monroehistory.org IGS chapter since: October 2002 Represents: Monroe County
Scott County Genealogical Society, Inc.
1050 South Main St.
P.O. Box 23
Scottsburg, IN 47170-0023
Phone (812) 752-3388 http://www.scgsi.com IGS chapter since: May 2004 Represents: Scott County
Wabash Valley Genealogy Society
P.O. Box 9347
Terre Haute, IN 47808-9347 http://www.inwvgs.org IGS chapter since: May 2005 Represents: Clay, Parke, Putnam, Sullivan, Vermillion and Vigo counties in Indiana; Clark, Crawford and Edgar counties in Illinois
Tri-County Genealogical Society
P.O. Box 118
Batesville, IN 47006 IGS chapter since: August 2006 Represents: Decatur, Franklin and Ripley counties