| FOF Code | Description |
| + FA403061113.Q | Government-sponsored enterprises; Treasury securities held by Fannie Mae (includes all GSEs before 2000:Q4); asset |
| + FA403061123.Q | Government-sponsored enterprises; Treasury securities held by Freddie Mac; asset |
| + FA403061133.Q | Government-sponsored enterprises; Treasury securities held by FHLB; asset |
| + FA403061143.Q | Government-sponsored enterprises; Treasury securities held by Farm Credit System; asset |
| + FA403061153.Q | Government-sponsored enterprises; Treasury securities held by Farmer Mac; asset |
| + FA403061163.Q | Government-sponsored enterprises; Treasury securities held by FICO; asset |
| + FA403061173.Q | Government-sponsored enterprises; Treasury securities held by REFCORP; asset |
| + FA403061183.Q | Government-sponsored enterprises; Treasury securities held by Sallie Mae; asset |