EXHIBIT 21

Subsidiaries of the Registrant

Subsidiary	Business and Location	Percent Owned by Registrant	State of Incorporation
Grady McCauley Inc.	Digital image and screen printed graphics North Canton, OH	100%	Ohio
Greenlee Incorporated	General Partner Wilmington, DE	100%	Delaware
Greenlee Lighting Inc.	Limited Partner Wilmington, DE	100%	Delaware
Greenlee Lighting L.P.	Landscape lighting Dallas, TX	100%	Delaware (Partnership)
LSI Adapt Inc.	Project management and installation services North Canton, OH	100%	Ohio
LSI Kentucky LLC	Menu board systems; metal fabrication Independence, KY	100%	Ohio
LSI Lightron Inc.	Fluorescent lighting New Windsor, NY	100%	Ohio
LSI Marcole Inc.	Electrical wire harnesses Manchester, TN	100%	Tennessee
LSI MidWest Lighting Inc.	Fluorescent lighting Kansas City, KA	100%	Kansas
LSI Retail Graphics Inc.	Interior graphics and signs Woonsocket, RI	100%	Ohio
LSI Integrated Graphic Systems LLC	Limited Partner Cincinnati, OH	100%	Ohio
LSI Partnership Holding LLC	General Partner Cincinnati, OH	100%	Ohio
LSI Integrated Graphics L.P.	Screen and digital printed materials, and illuminated and non-illuminated architectural graphics Houston, TX	100%	Delaware (Partnership)
LSI Saco Technologies Inc.	LED lighting and LED video screen manufacturing, research and development Montreal, Quebec	100%	Ontario,Canada