<SEC-DOCUMENT>0001104659-19-047520-index.html : 20190827
<SEC-HEADER>0001104659-19-047520.hdr.sgml : 20190827
<ACCEPTANCE-DATETIME>20190827164933
ACCESSION NUMBER:		0001104659-19-047520
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190827
DATE AS OF CHANGE:		20190827

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-19763
		FILM NUMBER:		191058034

	BUSINESS ADDRESS:	
		STREET 1:		14651 NORTH DALLAS PARKWAY
		STREET 2:		SUITE 500
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75254
		BUSINESS PHONE:		(513) 458-2600

	MAIL ADDRESS:	
		STREET 1:		4625 RED BANK ROAD
		STREET 2:		SUITE 200
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45227

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRIGRAN INVESTMENTS LP
		CENTRAL INDEX KEY:			0000905558
		IRS NUMBER:				363778244
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		630 DUNDEE ROAD
		STREET 2:		SUITE 230
		CITY:			NORTHBROOK
		STATE:			IL
		ZIP:			60062
		BUSINESS PHONE:		847-656-1640

	MAIL ADDRESS:	
		STREET 1:		630 DUNDEE ROAD
		STREET 2:		SUITE 230
		CITY:			NORTHBROOK
		STATE:			IL
		ZIP:			60062

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRIGRAN INVESTMENTS L P
		DATE OF NAME CHANGE:	19930520
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a19-17863_1sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: a19-17863_1sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>