-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Fzu7zKXbMGbOul+3/t27CTM1P+aaNGWWXXNfNoGGhdeTVZ49V7IdeCM7p1nyjxtU
 S0Hp6R9AhjfhTsYpICTnig==

<SEC-DOCUMENT>0001209191-03-025058.txt : 20031008
<SEC-HEADER>0001209191-03-025058.hdr.sgml : 20031008
<ACCEPTANCE-DATETIME>20031008110653
ACCESSION NUMBER:		0001209191-03-025058
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031007
FILED AS OF DATE:		20031008

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SLUSHER CARROLL W
		CENTRAL INDEX KEY:			0001183106

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10786
		FILM NUMBER:		03932727

	BUSINESS ADDRESS:	
		STREET 1:		C/O INSITUFORM TECHNOLOGIES INC
		STREET 2:		702 SPIRIT 40 PARK DRIVE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6385308000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INSITUFORM TECHNOLOGIES INC
		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

	BUSINESS ADDRESS:	
		STREET 1:		702 SPIRIT 40 PARK DRIVE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6365308000

	MAIL ADDRESS:	
		STREET 1:		702 SPIRIT 40 PARK DRIVE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005

	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>4
<SEQUENCE>1
<FILENAME>bsl79976_1cws.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-10-07</periodOfReport><notSubjectToSection16>1</notSubjectToSection16><issuer><issuerCik>0000353020</issuerCik><issuerName>INSITUFORM TECHNOLOGIES INC</issuerName>        <issuerTradingSymbol>INSU</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001183106</rptOwnerCik><rptOwnerName>SLUSHER CARROLL W</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1></rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity></rptOwnerCity><rptOwnerState></rptOwnerState><rptOwnerZipCode></rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><otherText>Former VP-North America</otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivative
Transaction><securityTitle><value>Class A common shares, $.01 par value</value></securityTitle><transactionDate><value>2003-10-07</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1000</value></transactionShares><transactionPricePerShare><value>16.80</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F1" /></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Shares were held jointly by Mr. Slusher and his spouse.</footnote></footnotes><ownerSignature><signatureName> /s/ C
arroll W. Slusher</signatureName><signatureDate>2003-10-07</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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