Membership By Region
| Region Name | US State Code |
| Arizona | AZ, NM |
| Atlanta | GA |
| California | CA-Bay Area, CA-South |
| Canada-Ottawa | Ottawa |
| Canada-Toronto | Toronto |
| Columbus | OH,IN |
| Michigan | MI |
| MidWest | IL,IN |
| UpperMidWest | MN,ND,SD |
| Missouri | MO,KS |
| New England | MA,NH,VT,ME |
| North Carolina | NC,SC |
| North East | NY,NJ,CT,RI |
| North West | OR,WA |
| Philadelphia | PA |
| SouthCentral | TX,OK,LA, |
| South East | FL |
| Washington DC | MD,VA,WV,DE,DC |