What does PSJ stand for?

Palynological Society of Japan (QUAC)

Parallel Swivel Joint

Passage - Telegraphy (PCTE)

Petites Soeurs de Jesus - Little Sisters of Jesus - Italy (EAIO)

Petsec Energy ADS - NYSE symbol (SPSG)

Pharmaceutical Society of Japan (BUAC)

Plane Swivel Joint

Point Spread Junction (IAA)

Policy Studies Journal (SAUS)

Poso - Indonesia - Airport symbol (OAG)

Pressure Switch Joint

Public Service Job (OICC)

Planed and Square-Jointed (DAC)