| Abbreviation | Definition |
|---|---|
| SNC | Sierra Nevada Corporation |
| SNC | Sierra Nevada Corporation's |
| SNC | Sitnasuak Native Corporation |
| SNC | Syndication Networks Corp. |
| SNC | Syndication Networks Corporation |
| SNCC | Safety National Casualty Corporation |
| SNCPAE | SNC Lavalin and Pacific Architects and Engineers |
| SNE | Serres North Export |
| SNECS | Southern New England Computer Services, LLC |
| SNEI | Southern Nevada Environmental Inc |
| SNET | Southern New England Telephone |
| SNF | Singer NadelFabrik |
| SNG | The Small Newspaper Group |
| SNGL | Sui Northern Gas Pipelines Limited |
| SNGPL | Sui Northarn Gas Pipe Line, Limited |
| SNGPL | Sui Northern Gas Pipelines Limited |
| SNH | Staas & Halsey, L. L. P. |
| SNHC | Southfield Nonprofit Housing Corporation |
| SNI | Service Network, Inc. |
| SNI | Seth Network International |