<SEC-DOCUMENT>0001193125-17-171790-index.html : 20170516
<SEC-HEADER>0001193125-17-171790.hdr.sgml : 20170516
<ACCEPTANCE-DATETIME>20170516124221
ACCESSION NUMBER:		0001193125-17-171790
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20170516
DATE AS OF CHANGE:		20170516
EFFECTIVENESS DATE:		20170516

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-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-218030
		FILM NUMBER:		17847782

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d394916ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d394916ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>d394916dex43.htm
<DESCRIPTION>EX-4.3
<TEXT>
Document 2 - file: d394916dex43.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>d394916dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d394916dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>d394916dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: d394916dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>5
<FILENAME>d394916dex241.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 5 - file: d394916dex241.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g394916g17k90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g394916g17k90.jpg

</DOCUMENT>
</SEC-DOCUMENT>