| FOF Code | Description |
| + FL103061103.Q | Nonfinancial corporate business; Treasury securities; asset |
| + FL153061105.Q | Households and nonprofit organizations; Treasury securities, excluding U.S. savings bonds; asset |
| + FL213061105.Q | State and local governments, excluding employee retirement funds; Treasury securities, including SLGS; asset |
| + FL113061003.Q | Nonfinancial noncorporate business; total U.S. government securities; asset |
| + FL313161400.Q | Federal government; U.S. savings bonds; liability |
| + FL763061105.Q | U.S.-chartered depository institutions; Treasury securities; asset |
| + FL743061103.Q | Banks in U.S.-affiliated areas; Treasury securities; asset |
| + FL753061103.Q | Foreign banking offices in the U.S.; Treasury securities; asset |
| + FL473061105.Q | Credit unions; Treasury securities; asset |
| + FL583061105.Q | Insurance companies and pension funds; Treasury securities; asset |
| + FL683061105.Q | Private financial institutions not elsewhere classified; Treasury securities; asset |
| + FL263061105.Q | Rest of the world; Treasury securities; asset |
| + FL713061100.Q | Monetary authority; Treasury securities; asset |
| + FL403061105.Q | Government-sponsored enterprises; Treasury securities; asset |
