EX-21.1 3 ex_533654.htm EXHIBIT 21.1

EXHIBIT 21.1

Subsidiaries of the Registrant |  | State of Incorporation
1) Chemtech Services, Inc. |  | Delaware
2) Astrogenetix, Inc. |  | Delaware
3) 1st Detect Corporation |  | Delaware
4) Agriculture Technology Corporation |  | Delaware
5) Medikinetix, Inc. |  | Delaware
6) Astral Images Corporation |  | Delaware
7) Astrotech Technologies, Inc. |  | Delaware
8) BreathTech Corporation |  | Delaware
9) AgLAB Inc. |  | Delaware
10) Cargo Security Center International, Inc. |  | Delaware