EXHIBIT 21

Subsidiaries of the Registrant

		Percent
	Business and	Owned by			State of
Subsidiary	Location	Registrant			Incorporation
Grady McCauley Inc.	Digital image and screen printed graphics North Canton, OH		100	%	Ohio
LSI Greenlee Lighting Inc.	Landscape lighting Dallas, TX		100	%	Delaware
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 LLC	Interior graphics and signs Woonsocket, RI		100	%	Ohio
LSI Integrated Graphics LLC	Screen and digital printed materials, and illuminated and non-illuminated architectural graphics Houston, TX		100	%	Ohio
LSI Saco Technologies Inc.	LED lighting and LED video screen manufacturing, research and development Montreal, Quebec		100	%	Quebec, Canada