| British Institute of Organ Studies (BIOS) | www.bios.org.uk |
| National Pipe Organ Register (NPOR) | www.npor.org.uk |
| Bradford Organists' Association | www.bradfordorganists.org.uk |
| Chester & NE Wales Organists' & Choirmasters' Association | www.cnewoca.org.uk |
| Cumbrian Society of Organists | www.cumbrianorganists.org.uk/index.html |
| Darlington & District Organists' & Choirmasters' Assoication | www.duresme.org.uk/ddoca.htm |
| Halifax & District Organists' Association | www.hdoa.org.uk |
| Incorporated Association of Organists (IAO) | https://iao.org.uk |
| Leeds Organists' Association | www.leedsorganists.wixsite.com/loaweb |
| Liverpool Organists' Association | https://liverpoolorganists.wordpress.com/gallery/ |
| Manchester Organists' Association | www.manchesterorganists.org.uk |
| Oldham Rochdale & Tameside Organists' Association | www.iao.org.uk/ortoa |
| Organ Club | www.organclub.org |
| Organists Online | www.organistsonline.org |
| Organ Profiles | www.organprofiles.com |
| OrganRecitals UK | www.organrecitals.uk |
| Preston & District Organists' Association | www.iao.org.uk/preston |
| Royal College of Organists | www.rco.org.uk |
| Society of Crematorium Organists | www.societyofcrematoriumorganists.org.uk |
| Society of Women Organists | www.societyofwomenorganists.co.uk |
