Posted in Business & Finance, Health & Medicine ADHL stands for Alcohol and Drug Helpline (Seattle, WA) ADHL stands for Applied Development Holdings, Ltd. ADHL Share Pinterest Tweet Whatsapp Post navigation DPTCDPTB Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.