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