People's Liberation Army of the People's Republic of China

An early name of the Irish National Liberation Army

Phone Losers of America, the computer and telephone hacking group

Public Library Association, a division of the American Library Association

Port of London Authority

Pre-school learning alliance, a charitable organisation formed by a number of playschools/groups in the UK

Polylactic acid, a biopolymer made from natural sugar sources, which can be used as a substitute for petroleum-based polymers

Palestinian Liberation Army

Programmable logic array, a programmable device used to implement combinational logic circuits

Prior Learning Assessment in the field of education and articulation.

Product licensing application, an application to the Food and Drug Administration to get approval of a biologic product

Protected Landscape Area, a type of protected areas in Slovakia and the Czech Republic

The Playboy Enterprises stock symbol

An opcode on the MOS Technologies 6502 to pull the accumulator from the stack

surgeons' jargon for a pelvic lymphadenectomy, a procedure in which lymph nodes are removed

The ProLife Alliance, a minor political party in the United Kingdom