| Source of Supply Code | Source of Supply Description |
|---|---|
| 8(A) | SBA Business Development Set-Aside |
| C | Full and Open Competition |
| ESB | Emerging Small Business Set-Aside |
| GSA/FSS | Federal Supply Schedule |
| HUBZ | HUBZone Small Business Set-Aside |
| JWOD | JWOD / NIB / NISH |
| M-DO/TO | Mandatory Deliver Order Contracts |
| N-DO/TO | Non-Mandatory Deliver Order Contracts |
| SB | Small Business Total Set-Aside |
| SDV | Service Disabled Veteran-Owned Business Set-Aside |
| VSB | Very Small Business Set-Aside |
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