The Addictions Professionals of South Carolina(APSC) is 501(c)3 nonprofit association. APSC is located centrally in Columbia, SC at 1215 Anthony Avenue. The offices are convenient to I-77, I-20 and I-26. APSC is approximately 1.5 miles north of the state Capitol Building. Our offices are open for business from 9am until 5pm EST Monday thru Friday.