| FOF Code | Description |
| + FA103061103.Q | Nonfinancial corporate business; Treasury securities; asset |
| + FA153061105.Q | Households and nonprofit organizations; Treasury securities, excluding U.S. savings bonds; asset |
| + FA213061105.Q | State and local governments, excluding employee retirement funds; Treasury securities, including SLGS; asset |
| + FA113061003.Q | Nonfinancial noncorporate business; total U.S. government securities; asset |
| + FA313161400.Q | Federal government; U.S. savings bonds; liability |
| + FA763061105.Q | U.S.-chartered depository institutions; Treasury securities; asset |
| + FA743061103.Q | Banks in U.S.-affiliated areas; Treasury securities; asset |
| + FA753061103.Q | Foreign banking offices in the U.S.; Treasury securities; asset |
| + FA583061105.Q | Insurance companies and pension funds; Treasury securities; asset |
| + FA473061105.Q | Credit unions; Treasury securities; asset |
| + FA683061105.Q | Private financial institutions not elsewhere classified; Treasury securities; asset |
| + FA263061105.Q | Rest of the world; Treasury securities; asset |
| + FA713061100.Q | Monetary authority; Treasury securities; asset |
| + FA403061105.Q | Government-sponsored enterprises; Treasury securities; asset |
