What does the office of audit services do? The Office of Audit Services (OAS) conducts independent audits of HHS programs and/or HHS grantees and contractors. These audits examine the performance of HHS programs and/or grantees in carrying out their responsibilities and provide independent assessments of HHS programs and operations.How do i contact the office of general assistance? There you will find information on general assistance and briefings by GAO experts, ongoing work, and requesting work. You can also contact the Office of Congressional Relations at (202) 512-4400 or [email protected] Where is the pa auditors office in harrisburg pa? Department of the Auditor General Finance Building. 613 North Street, Room 229. Harrisburg, PA 17120-0018. 717-787-2543. (Office Hours: Monday-Friday, 8:00AM-5:00PM) [email protected]. Office of Communications. Department of the Auditor General Finance Building. 613 North Street, Room 231.