| Organization | Contact | Phone Number |
| Alvirne Chapel | Mary Ellen Reed | 888-7005 |
| Alvirne Friends of Music | Bob Guessferd | 882-1618 |
| American Legion | --- | 889-9777 |
| American Legion Auxiliary | --- | 889-9777 |
| BAFTA Federation of the First Baptist Church | --- | 882-6116 |
| Boy Scouts Troop 20 | Steve Quinn | 880-5192 |
| Boy Scouts Troop 21 | Ben Dibble | 305-7492 |
| Boy Scouts, USA Troop 252 | Jeff Emanuelson | 889-0263 |
| Cub Scouts Pack 20 | Bill Churm | 578-1284 |
| Cub Scouts Pack 252 | Jeff Emanuelson | 889-0263 |
| Cub Scouts Pack 791 | John Paduchak | 883-5485 |
| Friends of the Library of Hudson, NH | libraryfriends2009@yahoo.com | |
| GFWC Hudson Community Club | Linda Kipnes | 881-9128 |
| GFWC Hudson Junior Woman's Club | Debbie Dunn | 594-0332 |
| Girl Scouts of Swiftwater Council | --- | (800) 654-1270 |
| Greenmeadow Golf Club | Brian Doyle | 889-1555 |
| Hudson Firefighters Relief Association | Dave Morin | 886-6021 |
| Hudson Fish & Game Club | --- | 889-9875 |
| Hudson Grange 11 | Gerald LeClerc | 595-3097 |
| Hudson Historical Society | Len Lathrop | 880-1516 |
| Hudson Kiwanis | Dan Zelonos | 883-0374 |
| Hudson Litchfield Youth Football Cheer | president@hlyfc.com | |
| Hudson Nottingham West Lions Club | Jerri Maynard | 883-85645 |
| Hudson Lions Club | Marilyn Vaccaro | 437-1408 |
| Hudson Rotary Club | Jim Garvey | 881-8879 |
| Hudson Senior Council on Aging | Lucille Boucher | 889-1803 |
| Hudson VFW Post | --- | 598-4594 |
| Hudson VFW Ladies Auxiliary | --- | 598-4594 |
| Hudson Youth Baseball | Bob McCaffrey | 880-4301 |
| Knights of Columbus | Sean O'Neil | 578-9465 |
| Wattanick Grange No. 327 | Abbott Rice | 889-5575 |
