<SEC-DOCUMENT>0000353020-18-000099-index.html : 20181214
<SEC-HEADER>0000353020-18-000099.hdr.sgml : 20181214
<ACCEPTANCE-DATETIME>20181214145540
ACCESSION NUMBER:		0000353020-18-000099
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20181212
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20181214
DATE AS OF CHANGE:		20181214

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aegion Corp
		CENTRAL INDEX KEY:			0000353020
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		IRS NUMBER:				133032158
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35328
		FILM NUMBER:		181235398

	BUSINESS ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6365308000

	MAIL ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC/TN/
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC
		DATE OF NAME CHANGE:	19921217
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-k3rdamendtocreditagr.htm
<DESCRIPTION>8-K (3RD AMEND TO CREDIT AGREE & K. YOUNG APPT)
<TEXT>
Document 1 - file: form8-k3rdamendtocreditagr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>exhibit101-form8xkamendtoc.htm
<DESCRIPTION>EXHIBIT 10.1 (3RD AMEND TO CREDIT AGREE)
<TEXT>
Document 2 - file: exhibit101-form8xkamendtoc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>exhibit991-form8xkamendtoc.htm
<DESCRIPTION>EXHIBIT 99.1 (PR APPT K. YOUNG CONTROLLER)
<TEXT>
Document 3 - file: exhibit991-form8xkamendtoc.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>a20181212prcontrollerappoint.jpg
<TEXT>
Document 4 - file: a20181212prcontrollerappoint.jpg

</DOCUMENT>
</SEC-DOCUMENT>