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    CONFORMED SUBMISSION TYPE:	S-4/A
    PUBLIC DOCUMENT COUNT:		24
    FILED AS OF DATE:		20150710
    DATE AS OF CHANGE:		20150710

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CECO ENVIRONMENTAL CORP
    		CENTRAL INDEX KEY:			0000003197
    		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
    		IRS NUMBER:				132566064
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4/A
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-204816
    		FILM NUMBER:		15984361

    	BUSINESS ADDRESS:
    		STREET 1:		4625 RED BANK ROAD, SUITE 200
    		CITY:			CINCINNATI
    		STATE:			OH
    		ZIP:			45227
    		BUSINESS PHONE:		4165936543

    	MAIL ADDRESS:
    		STREET 1:		2300 YONGE STREET, P.O. BOX 2408
    		STREET 2:		SUITE 1710
    		CITY:			TORONTO
    		STATE:			A6
    		ZIP:			M4P 1E4

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	API ENTERPRISES INC
    		DATE OF NAME CHANGE:	19920703

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALARM PRODUCTS INTERNATIONAL INC
    		DATE OF NAME CHANGE:	19851210
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