What does PPO stand for?

Diphenyloxazole - Chemistry (DAVI)

Folopa - Language symbol (ETLW)

Parking Patrol Officer

Patriot Project Office - Army

Peak Pepsin Output (SAUS)

Pepsi Cola Puerto Rico Bottling - NYSE symbol (SAG)

Pepsi-Cola Puerto Rico Bott`B' - NYSE symbol

Performance Prediction Overview (SAUS)

Permanent Paranormal Object

Phenyl Phosphine Oxide

Photographic Program Office - NASA (KSC)

Planning Purposes Only (SAUS)

Platelet Peroxidase - An enzyme

Pleuropneumonia Organisms - Bacteriology

Police Petty Officer (DNAB)

Pollution Prevention Office - Environmental Protection Agency

Polyphenelene Oxide (SAUS)

Polyphenol Oxidase - An enzyme

Polyphenylene Oxide - Organic chemistry

Polyphenylenoxid (SAUS)

Polyphenylodine Oxide (SAUS)

Poly(propylene Oxide) - Organic chemistry

Port Postal Office (AFM)

Positive Pole Operation (SAUS)

Power Plant Operating

Preferred-Provided Organization - Insurance (AD)

Preferred-Provider Option - Insurance

Preferred-Provider Organization - Insurance

Prepaid Purchase Order (SAUS)

Pre Phase-Out

Pressed Plutonium Oxide

Primary Party Organization - Politics

Principal Period of Operations (ACAE)

Principal Priority Officer

Prior Permission Only (AFM)

Procurement Planning Officer

Program Printout (MCD)

Projected Program Objective (NG)

Propose - Telegraphy (PCTE)

Prototype Program Office

Publications and Printing Office - Army

Public Pension Offset - Federal Employees Retirement System (GFGA)

Pure Plutonium Oxide

Push-Pull Output (DEN)

Polyphenylene Oxide (AD)

Prior Permission Only (AD)