- A N T I VIRUS 1
- A RegCure 1
- A Smart 1
- A to Z Software 1
- A V E X 10
- A V S 4
- A Wyka-Warzecha Enterprises 1
- A-Flow Development Team 1
- A-media.nu 1
- A-one Global Creativity 14
- A-PDF.com 4
- AAAPDF, Inc 6
- AB Kids games 1
- ABC Flash games 1
- ABCFastDirectory 1
- Above and Beyond Software 2
- Absolutist.com 1
- ACA Technologies LLC 1
- Accidental Software 2
- Acesoft 1
- Acez Software 2
- Acez Software LLC 4
- AGORA Software BV 1
- Alawar Entertainment 1
- Alberto Farinelli 1
- all the soft Inc. 3
- All-Sweets 4
- AllforMP3.com 4
- Alliance Software Engineering 1
- Allnetsoft 1
- AllWindowsSoft 1
- Alphaobjects GmbH 1
- AM Software Design 1
- AMF 1
- Amplusnet 1
- Anand Software and Training (P) Ltd. 1
- Answers 2000 Limited 1
- Answers Corporation 2
- AnswersThatWork.com 1
- Antrex Development 1
- Anything3D Corp. 3
- apollo tech 1
- ArcadeStudio.com 4
- aSc Applied Software Consultants 1
- Astro Gemini Software 6
- Astro Solutions 1
- Astrokettle Algorithms 4
- aSwIt s.r.l. 1
- aSwIt Srl: ODBC, Print for DOS, Windows 1
- Atma Software 2
- AudiotoolsFactory 5
- AudioUtilities Co., Ltd. 1
- AVLAN Design 1
- AxySoft 1
