Justification and Approval for Use of Other Than Full and Open Competition Inactive Notice ID:25-13 See attached. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEPT OF THE NAVY NAVFACSYSCOM ATLANTIC NAICS 541990 - All Other Professional, Scientific, and Technical Services PSC SUPPORT- PROFESSIONAL: CERTIFICATIONS AND ACCREDITATIONS (OTHER THAN EDUC OR INFO TECH C&A) Data sourced from SAM.gov. View Official Posting »