sort by Rank | Alpha
| Possible Meanings | Rank |
| Association for Professionals in Infection Control & Epidemiology | **** |
| Asia Pacific Internet Company | **** |
| And Paper Industry Council | **** |
| Asian Pacific Islander Cultural | **** |
| American Physicians Insurance Company | **** |
| Asia Pacific Internet Community | **** |
| Associazione Promozione Iniziative Culturali | **** |
| Arab Petroleum Investment Corporation | *** |
| Advanced Peripheral Interrupt Controller | *** |
| Asian and Pacific Island Cultures | *** |
| Association of Professionals in Infection Control | *** |
| Association for Practitioners in Infection Control | *** |
| Applications of Interval Computations | *** |
| Atlantic Preferred Insurance Company | *** |
| Association of Professional Investment Consultants | *** |
| Asian and Pacific Islander Caucus | *** |
| Australian Paper Industry Council | *** |
| Arab Palestinian Investment Company | *** |
| Africa Policy Information Centre | *** |
| Agreement on Privileges and Immunities of the Court | *** |
| Anderson Performance Improvement Company | *** |
| Association for the Protection of Internet Copyright | *** |
| Assoc for Professionals in Infection Control | *** |
| Association of Psychology Internship Centers | *** |
| Asia Pacific Innovation Center | *** |
| Accounting and Production Information Control | *** |
| Active Pharmaceutical Ingredients Committee | *** |
| Asia Pacific International College | *** |
| Advanced Packaging and Interconnect Center | *** |
| Association of Professional Companies | *** |
| African Policy Information Center | *** |
| Adaptive Perceptual Image Coding | *** |
| American Private Investment Companies | *** |
| Association Political Involvement Committee | *** |
| Asian Private Investment Company | *** |
| acidic pH0-induced contraction | ** |
| Andhra Pradesh Information Commission | ** |
| Apple Press Intermediate Cup | ** |
| Asian Pacific Islander Coalition | ** |
| Association for Professional in Infection Control | ** |
| American Private Investment Company | ** |
| Alpha Precision Instrumentation Corp | ** |
| And Programmable Interrupt Controller | ** |
| Asian Pacific Islander Committee | ** |
| Academic Practitioner Interface Committee | ** |
| Associated Physicians Insurance Company | ** |
| Association of Practitioners of Infection Control | ** |
| Advanced Pressure Infiltration Casting | ** |
| American Private Investment Corporation | ** |
| Association for Professionals in Infectious Control | ** |
| Association of Practitioners in Infection Control | ** |
| Australian Physicians Independent Committee | ** |
| Active Pharmaceutical Ingredient Committee | ** |
| Acidic PH Induced Contraction | ** |
| A Programmable Interrupt Controller | ** |
| Advanced Photonics Integration Center | ** |
| Allied Press Information Centre | ** |
| Asia Pacific Investment Company | ** |
| Asian Petrochemical Industry Conference | ** |
| ATM Port Interconnect Chip | ** |
| Advanced Programming Interrupt Controller | ** |
| American Pacific Insurance Company | ** |
| American Professionals in Infection Control | ** |
| Associated Physicians Insurance Co | ** |
| Asian Pacific Islanders Council | ** |
| Association of Potato Intergenebank Collaborators | ** |
| American Practitioners of Infection Control | ** |
| Arbella Protection Insurance Co | ** |
| ADAP Plus Insurance Continuation | ** |
| Asia Property Investment Conference | ** |
| Additives for the Production of Iron Castings | ** |
| Asian and Pacific Islander Consortium | ** |
| Association of Practitioners for Infection Control | ** |
| Association of Professionals in Industry of Climate | ** |
| Arab Petroleum Investment Company | ** |
| Asset Policy Initiative of California | ** |
| Australian Property Investment Corporation | ** |
| Advisors Political Involvement Committee | * |
| AIDS Poverty Illiteracy and Conflict | * |
| American Production Inventory and Control | * |
| And Performance Improvement CQSPI | * |
| Asia Pacific International Campus | * |
| Australian Potato Industry Council | * |
| Active Pharmaceuticals Ingredients Committee | * |
| Arab Palestine Investment Company | * |
| Asia Pacific Interfinish Congress | * |
| Asian Pacific Islanders Club | * |
| Academic Physicians Insurance Company | * |
| Advanced Programmable Interrupt Chip | * |
| Airbus Pilot Instructor Courses | * |
| Association of Professionals for Infection Control | * |
| Addressable Protocol Interface Cards | * |
| Anti Personnel Improved Conventional | * |
| Asia Pacific Investment Congress | * |
| Asian Pacific Islander Coalitions | * |
| Auxiliary Power International Corporation | * |
| Application of quality ISO Procedures In the Continuing vocational training field | * |
| Army Product Improvement Campaign | * |