| FOF Code | Description |
| + FL413065105.A | Agency-and GSE-backed mortgage pools; one-to-four-family residential mortgages; asset |
| + FL403065105.A | Government-sponsored enterprises; one-to-four-family residential mortgages; asset |
| + FL763065105.A | U.S.-chartered depository institutions; one-to-four-family residential mortgages, including farm houses; asset |
| + FL473065100.A | Credit unions; one-to-four-family residential mortgages; asset |
| + FL583065105.A | Insurance companies and pension funds; one-to-four-family residential mortgages; asset |
| + FL643065173.A | Mortgage real estate investment trusts; one-to-four-family residential mortgages; asset |
| + FL673065105.A | Issuers of asset-backed securities; one-to-four-family residential mortgages; asset |
| + FL613065105.A | Finance companies; one-to-four-family residential mortgages; asset |
| + FL743065103.A | Banks in U.S.-affiliated areas; one-to-four-family residential mortgages; asset |
| + FL753065103.A | Foreign banking offices in the U.S.; one-to-four-family residential mortgages; asset |