EX-21.1 2 ex_106235.htm EXHIBIT 21.1

E XHIBIT 21.1

LIST OF SUBSIDIARIES AND THEIR COUNTRY OR STATE OF INCOPORATION/ORGANIZATION

Name of Subsidiary | State/Country of Incorporation/Organization | Percentage of Voting Securities Owned by Immediate Parent
VTC, LLC d/b/a Total Site Solutions | Maryland | 100%
Vortech, LLC | Maryland | 100%
Innovative Power Systems, Inc. | Virginia | 100%
Alletag Builders, Inc. | Arizona | 100%
Total Site Solutions Arizona, LLC | Arizona | 100%