I ran the stock screener for OTC stocks yielding more than 5% dividends and having market caps of at least $5B. The following 17 stocks met the above criteria:

1. Telstra Corporation Limited (TLSYY)
Current Dividend Yield: 9.40%
Sector: Telecom
Australia

2. Koninklijke KPN N.V. (KKPNY)
Current Dividend Yield: 9.38%
Sector: Telecom
The Netherlands

3. United Utilities Group PLC (UUGRY)
Current Dividend Yield: 8.39%
Sector: Water Utilities
U.K.

4. Telekom Austria AG (TKAGY)
Current Dividend Yield: 7.95%
Sector: Telecom
Austria

5. Advanced Info Service PCL (AVIFY)
Current Dividend Yield: 7.69%
Sector: Telecom
Thailand

6. Zurich Financial Services (ZFSVY)
Current Dividend Yield: 6.73%
Sector: Financial Services
Switzerland

7. CLP Holdings Limited (CLPHY)
Current Dividend Yield: 6.65%
Sector: Utility
Hong Kong

8. RWE AG (RWEOY)
Current Dividend Yield: 6.58%
Sector: Utility
Germany

9. Deutsche Lufthansa AG (DLAKY)
Current Dividend Yield: 6.35%
Sector: Airline
Germany

10. E.ON AG (EONGY)
Current Dividend Yield: 6.34%
Sector: Utility
Germany

11. J Sainsbury plc  (JSAIY)
Current Dividend Yield: 6.14%
Sector: Retail
U.K.

12. EDP-Energias de Portugal,S.A (EDPFY)
Current Dividend Yield: 6.07%
Sector: Utility
Portugal

13. National Australia Bank Ltd. (NABZY)
Current Dividend Yield: 6.03%
Sector: Banking
Australia

14. Eisai Co., Ltd (ESALY)
Current Dividend Yield: 5.43%
Sector: Biotechnology
Japan

15. Swisscom AG (SCMWY)
Current Dividend Yield: 5.43%
Sector: Telecom
Switzerland

16. International Power plc (IPRPY)
Current Dividend Yield: 5.22%
Sector: Utility
U.K.

17. Solvay S.A. (SVYSY)
Current Dividend Yield: 5.11%
Sector: Chemicals
Belgium

The majority of the stocks mentioned above are in the telecom or utility sector. National Australia Bank(OTC: NABZY) split its stock 5:1 back in March 2008. On Friday the ADR closed at $21.83.