| FOF Code | Description |
| + FL103061103.Q | Nonfinancial corporate business; Treasury securities; asset |
| + FL153061105.Q | Households and nonprofit organizations; Treasury securities; asset |
| + FL213061103.Q | State and local governments; Treasury securities, excluding SLGS; asset |
| + FL113061003.Q | Nonfinancial noncorporate business; total U.S. government securities; asset |