Exhibit 21.1

Subsidiaries of Registrant

Name:                Digirad Health, Inc.

State of Incorporation:        Delaware

Name:                Digirad Diagnostic Imaging, Inc.

State of Incorporation:        Delaware

Name:                Digirad Imaging Solutions, Inc.

State of Incorporation:        Delaware

Name:                MD Office Solutions

State of Incorporation:        California

Name:                Project Rendezvous Holding Corporation

State of Incorporation:        Delaware

Name:                Project Rendezvous Acquisition Corporation

State of Incorporation:        Delaware

Name:                DMS Health Technologies, Inc.

State of Incorporation:        North Dakota

Name:                DMS Imaging, Inc.

State of Incorporation:        North Dakota

Name:                DMS Health Technologies - Canada, Inc.

State of Incorporation:        North Dakota

Name:                Star Real Estate Holdings USA, Inc.

State of Incorporation:        Delaware

Name:                947 Waterford Road, LLC

State of Incorporation:        Delaware

Name:                56 Mechanic Falls Road, LLC

State of Incorporation:        Delaware

Name:                300 Park Street, LLC

State of Incorporation:        Delaware

Name:                Lone Star Value Management, LLC

State of Incorporation:        Connecticut

Name:                Star Procurement, LLC

State of Incorporation:        Delaware

Name:                ATRM Holdings, Inc.

State of Incorporation:        Minnesota

Name:                KBS Builders, Inc.

State of Incorporation:        Delaware

Name:                EdgeBuilder, Inc.

State of Incorporation:        Delaware

Name:                Glenbrook Building Supply, Inc.

State of Incorporation:        Delaware