<SEC-DOCUMENT>0000945621-22-000089-index.html : 20220210
<SEC-HEADER>0000945621-22-000089.hdr.sgml : 20220210
<ACCEPTANCE-DATETIME>20220210144756
ACCESSION NUMBER:		0000945621-22-000089
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220210
DATE AS OF CHANGE:		20220210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			North American Construction Group Ltd.
		CENTRAL INDEX KEY:			0001368519
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82223
		FILM NUMBER:		22613319

	BUSINESS ADDRESS:	
		STREET 1:		27287 100 AVENUE
		CITY:			ACHESON
		STATE:			A0
		ZIP:			T7X 6H8
		BUSINESS PHONE:		780-960-7171

	MAIL ADDRESS:	
		STREET 1:		27287 100 AVENUE
		CITY:			ACHESON
		STATE:			A0
		ZIP:			T7X 6H8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	North American Energy Partners Inc.
		DATE OF NAME CHANGE:	20061129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTH AMERICAN ENERGY PARTNERS INC.
		DATE OF NAME CHANGE:	20061129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NACG Holdings Inc.
		DATE OF NAME CHANGE:	20060707

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mawer Investment Management Ltd.
		CENTRAL INDEX KEY:			0001538449
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
		BUSINESS PHONE:		403-262-4673

	MAIL ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mawernoa13ga4q2021.htm
<DESCRIPTION>AMENDMENT NO. 3 TO SCHEDULE 13G
<TEXT>
Document 1 - file: mawernoa13ga4q2021.htm

</DOCUMENT>
</SEC-DOCUMENT>