PACE

Professional and Administrative Career Examination

PADC

Pennsylvania Avenue Development Corp.

PAHO

Pan American Health Organization

PBGC

Pension Benefit Guaranty Corporation

PBS

Public Buildings Service

PCMR

President's Committee on Mental Retardation

PEP

Public Employment Program

PHS

Public Health Service

PRC

Postal Rate Commission

PSE

Public Service Employment

PTO

Patent and Trademark Office