| Intergroup | Contact e-mail | Website |
| ACA North Shore (IG# 726) | acanorthshore@gmail.com | |
| ACA Oregon Intergroup (IG# 589) | acaoregon@gmail.com | https://acaoregon.org/ |
| ACA San Francisco Bay Area Intergroup (IG# 610) | info@acasfbayarea.org | |
| Central Coast ACA Intergroup (IG# 76) | ccacaig@gmail.com | https://ccacaig.org/ |
| Central Oregon ACA Intergroup (IG# 800) | centraloregonaca@gmail.com | |
| Monterey Bay ACA Intergroup (IG# 654) | acamontereybay@gmail.com | https://acamontereybay.org/ |
| OCIACA (Orange County Intergroup ACA) (IG# 620) | contact@ocadultchildren.org | https://ocadultchildren.org/ |
| San Diego County Intergroup ACA (IG# 637) | acafridayspeakers@gmail.com | https://sandiegoaca.org/home |
| So Cal ACA Intergroup (IG# 630) | info@SoCalACA.org | https://www.socalaca.org/ |
| Washington State Intergroup (IG# 595) | wastateaca@gmail.com | https://www.wastateaca.org/ |