Who is HASA? We provide prevention, treatment, and advocacy in the area of communication INTERPRETING Serving businesses, pub ... lic institutions, individuals, and families throughout Maryland with interpreting services, American Sign Language (ASL) classes and Deaf awareness workshops. EDUCATION SERVICES School for children (ages 2 through 12) with communication disorders related to autism, developmental delay, speech-language needs, or those who are deaf or hard of hearing. HEARING & SPEECH-LANGUAGE SERVICES Comprehensive on-site audiology, speech-language therapy, occupational therapy, and fluency enhancement services. Most major insurances accepted. read more