| State |
Service Area |
Chapter Name (click one for more info) |
| AL |
Northern Alabama |
Huntsville Alabama L5 Society |
| AZ |
Central Arizona |
Phoenix Chapter of The National Space Society |
| AZ |
Southern Arizona |
Tucson L5 Space Society |
| CA |
Greater Los Angeles |
OASIS |
| CA |
Greater Sacramento |
Sacramento L5 Society |
| CO |
Greater Denver |
Denver Space Society |
| DC |
D.C. Metro Area |
DC-L5 |
| FL |
Central Florida |
Florida Space Development Council |
| FL |
South Florida |
NSS Chapter of South Florida |
| IA |
State of Iowa |
National Space Society Iowa Chapter |
| IL |
Greater Chicago |
NSS Chicago Society for Space Studies |
| IL |
Greater Chicago |
NSS Illinois North Shore |
| IL |
Northeastern Illinois |
NSS Chicago Society for Space Studies |
| IL |
Southwestern Illinois |
NSS St. Louis Space Frontier |
| MD |
Southern Maryland |
DC-L5 |
| MO |
Greater St. Louis |
NSS St. Louis Space Frontier |
| NJ |
Northern New Jersey |
NSS Space and Astronomy Society of NW Jersey |
| NJ |
Southern New Jersey |
Philadelphia Space Interest Group (O) |
| OH |
Greater Cleveland |
Cuyahoga Valley Space Society |
| OK |
Central Oklahoma |
Oklahoma Space Alliance NSS |
| OR |
Western Oregon |
Oregon L5 Society, Inc. |
| PA |
Greater Philadelphia |
Philadelphia Space Interest Group (O) |
| TN |
North-central Tennessee |
Middle Tennessee Space Society |
| TN |
South-central Tennessee |
Huntsville Alabama L5 Society |
| TX |
Dallas / Fort Worth Area |
National Space Society of North Texas |
| TX |
Greater San Antonio |
San Antonio Space Society |
| VA |
Northern Virginia |
DC-L5 |
| WA |
Western Washington |
NSS Seattle |
