APS Memberships and Affiliations

APS is proud to support the following organizations and initiatives:

	The Association of Learned and Professional Society Publishers (ALPSP)
	Clearinghouse for the Open Research of the United States (CHORUS)
	Crossref
	Similarity Check
	Directory of Open Access Journals
	International Centre for Theoretical Physics (ICTP)
	International Network for the Availability of Scientific Publications (INASP)
	MathJax
	The National Data Service
	National Information Standards Organization (NISO)
	Open Access Scholarly Publishers Association (OASPA)
	Open Researcher and Contributor ID (ORCiD)
	PORTICO
	Special Libraries Association (SLA)
	Society for Scholarly Publishing (SSP)
	International Association of Scientific, Technical, and Medical Publishers (STM)