1. ISTQB (International Software Testing Qualification Board)  : 200,000 Certified ( Mar, 2012)
   - CTFL (Certified Tester Foundation Level)
   - CTAL (Certified Tester Advanced Level): Test Manager
   - CTAL (Certified Tester Advanced Level): Functional Tester
   - CTAL (Certified Tester Advanced Level): Technical Tester
   - CTEL (Certified Tester Expert Level)

 
2. QAI(Quality Assurance Institute) : 35,000 Certified (Sep, 2008)
   - CASQ (Certified Associate in Software Quality)
   - CAST (Certified Associate in Software Testing)
   - CSTE (Certification of Software Test Engineer)
   - CSQA (Certification of Software Qaulity Analyst)
   - CMST (
Certified Manager of Software Testing)
   - CMSQ (Certified Manager of Software Quality)

3. ASQ(American Society for Quality) : 4,000 Certified
   - CSQE(Certification of Software Quality Engineer)

4. IIST (
International Institute for Software Testing) : 2,500 Certified (Oct, 2010)
  - CSTP(Certified Software Test Professional)
  - CTM(Certified Test Manager)


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-Tester Certification :
   CTFL(ISTQB), CAST(QAI), CSTE(QAI), CSTP(IIST)
-QA Certification :
 
CTFL(ISTQB), CASQ(QAI), CSQA(QAI), CSQA(QAI),

-Manager Level / SQA Certification :
   CTAL(ISTQB), CTEL(ISTQB), CSQE(ASQ), CMST(QAI), CMSQ(QAI), CTM(IIST)
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