EXHIBIT 21.1

CORPORATE ORGANIZATIONAL STRUCTURE:

PC Connection, Inc., a Delaware corporation, is the parent company of the following wholly owned subsidiaries:

1. PC Connection Sales Corporation, a Delaware corporation.

2. PC Connection Sales of Massachusetts, Inc., a Delaware corporation. (subsidiary of PC Connection Sales Corporation).

3. Merrimack Services Corporation, a Delaware corporation.

4. GovConnection, Inc. (formerly Comteq Federal, Inc.), a Maryland corporation.

5. MoreDirect, Inc., a Florida corporation.