| A | B |
|---|
| .biz | stands for business; usually used by small businesses |
| .com | stands for commercial; used by businesses (most widely used extension) |
| .edu | stands for education; used by colleges and universities |
| .gov | stands for government; used by government agencies and offices |
| .net | stands for network; most commonly used by internet service providers |
| .org | stands for organization; usually used by non-profit groups |
| .tv | stands for television; used for multimedia web sites, usually within the entertainment industry |
| .k12.ia.us | used by k-12 schools in Iowa |
