There are two hybrid government/corporate bond funds issued by iShares.  The first, iShares’ Barclays Intermediate Government/Credit Bond ETF (GVI), holds a total of 223 various bonds.  The fund is 62% invested in U.S. Treasury Notes and bonds issued by government agencies, 14% invested in Industrials, and 12% invested in Financial Institutions.  Of the non-government securities, GVI holds bonds in such companies as Bank of America, Cisco, and Pfizer.  Over half of the notes/bonds were issued with a maturity of 1-5 years.  The fund charges an expense ratio of 0.20% and trades just under 27,000 shares on average.