-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 PZndwexqShxsoGRxIHX8Zg==

<SEC-DOCUMENT>0001159481-09-000003.txt : 20091029
<SEC-HEADER>0001159481-09-000003.hdr.sgml : 20091029
<ACCEPTANCE-DATETIME>20091029140956
ACCESSION NUMBER:		0001159481-09-000003
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20091029
DATE AS OF CHANGE:		20091029
EFFECTIVENESS DATE:		20091029

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEMETER SYSTEMS LLC
		CENTRAL INDEX KEY:			0001159481
		IRS NUMBER:				980353189
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-88731
		FILM NUMBER:		091144107

	BUSINESS ADDRESS:	
		STREET 1:		7635 ASHLEY PARK COURT, SUITE 503P
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32835
		BUSINESS PHONE:		407-532-3040

	MAIL ADDRESS:	
		STREET 1:		7635 ASHLEY PARK COURT, SUITE 503P
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32835
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001159481</cik>
        <entityName>DEMETER SYSTEMS LLC</entityName>
        <issuerAddress>
            <street1>7635 ASHLEY PARK COURT, SUITE 503P</street1>
            <city>ORLANDO</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>32835</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>407-532-3040</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>LOUIS</firstName>
                <middleName>J.</middleName>
                <lastName>BASENESE</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>8755 THE ESPLANADE, SUITE 101</street1>
                <city>ORLANDO</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32836</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JULIA</firstName>
                <middleName>F.</middleName>
                <lastName>HUBBARD</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>7635 ASHLEY PARK COURT</street1>
                <street2>SUITE 503P</street2>
                <city>ORLANDO</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32835</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ALAN</firstName>
                <lastName>SONNENBERG</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1630 SOUTHWEST ALBATROSS WAY</street1>
                <city>PALM CITY</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>34990</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ROBERT</firstName>
                <middleName>A.</middleName>
                <lastName>FARMER</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>10205 COLLINS AVENUE, PH6</street1>
                <city>BAL HARBOUR</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33154</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>BRENT</firstName>
                <middleName>M.</middleName>
                <lastName>MOREHOUSE</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1181 MIDDLE ROAD</street1>
                <city>FAYETTEVILLE</city>
                <stateOrCountry>NC</stateOrCountry>
                <zipCode>28312</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>EDWARD</firstName>
                <middleName>W.</middleName>
                <lastName>NUNNALLY</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1301 MT. HERMAN ROAD</street1>
                <city>MIDDLOTHIAN</city>
                <stateOrCountry>VA</stateOrCountry>
                <zipCode>23112</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>GARNETT</firstName>
                <lastName>SMITH</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1994 MERRIMAN WAY ROAD</street1>
                <city>MONETA</city>
                <stateOrCountry>VA</stateOrCountry>
                <zipCode>24121</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ROBERT</firstName>
                <middleName>A.</middleName>
                <lastName>KRISSEL</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>20 CANTERBURY LANE</street1>
                <city>LAKEVILLE</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06039</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>RICHARD</firstName>
                <lastName>PETTY</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>311 BRANSON MILL ROAD</street1>
                <city>RANDLEMAN</city>
                <stateOrCountry>NC</stateOrCountry>
                <zipCode>27317</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>TOMMY</firstName>
                <middleName>E.</middleName>
                <lastName>HARPER</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>P.O. BOX 4615</street1>
                <city>MAURY CITY</city>
                <stateOrCountry>TN</stateOrCountry>
                <zipCode>38050</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MICHAEL</firstName>
                <middleName>G.</middleName>
                <lastName>MCCORMICK</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>306 MIDENHALL WAY</street1>
                <city>CARY</city>
                <stateOrCountry>NC</stateOrCountry>
                <zipCode>27513</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Energy</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>No Revenues</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001159481-09-000002</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-02-26</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>2000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>1755000</totalOfferingAmount>
            <totalAmountSold>1510477</totalAmountSold>
            <totalRemaining>244523</totalRemaining>
            <clarificationOfResponse>The initial Form D filing was filed on June 3, 2008, with a total offering amount of $800,000 and was thereafter amended on June 30, 2008, August 15, 2008, September 3, 2008, October 2, 2008 and May.  The total offering size is now increased to $1,755,000</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>62</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>522000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>Represents salaries to officers from commencement of offering in 2/08 to estimated closing of offering in 12/09.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>DEMETER SYSTEMS LLC</issuerName>
                <signatureName>Julia F. Hubbard</signatureName>
                <nameOfSigner>JULIA F. HUBBARD</nameOfSigner>
                <signatureTitle>VP FINANCE</signatureTitle>
                <signatureDate>2009-10-29</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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