Exhibit 21 LIST OF SUBSIDIARIES OF MATTHEWS STUDIO EQUIPMENT GROUP Hollywood Rental Company, LLC - ----------------------------- State of Formation: Delaware Names Under Which Subsidiary Conducts Business: Hollywood Rental Company, LLC Hollywood Rental Company Matthews Acceptance Corporation - ------------------------------- State of Incorporation: California Names Under Which Subsidiary Conducts Business: Matthews Acceptance Corporation MAC Matthews Studio Electronics, Inc. - --------------------------------- State of Incorporation: California Names Under Which Subsidiary Conducts Business: Matthews Studio Electronics, Inc. Matthews Studio Electronics Duke City Video, Inc. - --------------------- State of Incorporation: New Mexico Names Under Which Subsidiary Conducts Business: Duke City Video, Inc. DCDUBS Duke City Dallas Duke City Studios Duke City West Matthews Studio Group Centers, Inc. - ----------------------------------- State of Incorporation: California Names Under Which Subsidiary Conducts Business: Matthews Studio Group Centers, Inc. Matthews Studio Group Centers - Nevada, Inc. Matthews Studio Group Centers - Tennessee, Inc. Matthews Studio Sales, Inc. - --------------------------- State of Incorporation: California Names Under Which Subsidiary Conducts Business: Matthews Studio Sales, Inc. ESS ESS International Expendable Supply Store HDI Holdings, Inc. - ------------------ State of Incorporation: Kentucky Names Under Which Subsidiary Conducts Business: HDI Holdings, Inc. HDI Four Star Lighting, Inc. - ------------------------ State of Incorporation: New York Names Under Which Subsidiary Conducts Business: Four Star Lighting, Inc. Four Star Stage Lighting, Inc.