Chapters

Greater Mid-Atlantic Chapter (GMA) covers 6 states:
Delaware, Maryland, Pennsylvania, Virginia, Washington (DC), West Virginia
Midwest Chapter (MW) covers 13 states:
Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin
Northeast Chapter (NE) covers 8 states:
Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont
Northern California Chapter (NCA) covers Northern part of California:
north of San Luis Obisbo/Bakersfield
Southern California Chapter (SCA) covers Southern part of California:
south of San Luis Obisbo/Bakersfield
Southeast Chapter (SE) covers 7 states:
Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, Tennessee
Southwest Chapter (SW) covers 9 states:
Arizona, Arkansas, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas, Utah
All Other U.S. States (OUS) covers 7 states:
Alaska, Hawaii, Idaho, Montana, Oregon, Washington (State), Wyoming
Non-US Areas (NUS) covers oversea areas:
Guam, Canada, China, Hong Kong, Singapore, Taiwan

Map of US Chapters