<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-24</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000875623</issuerCik><issuerName>SPARTA INC /DE</issuerName>        <issuerTradingSymbol>none</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001213728</rptOwnerCik><rptOwnerName>MOORE ARCHIE L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>25531 COMMERCENTRE DR. #120</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>LAKE FOREST</rptOwnerCity><rptOwnerState>CA</rptOwnerState><rptOwnerZipCode>92630-8873</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Pres Spiral Subsidia</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>COMMON STOCK</value></securityTitle><transactionDate><value>2003-11-21</value></transactionDate><deemedExecutionDate><value>2003-11-24</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>153.0000</value></transactionShares><transactionPricePerShare><value>26.1400</value><footnoteId id="F2" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7995.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Redemption of stock by issuer.</footnote><footnote id="F2">Represents exercise price for acquisitions and market price for dispositions.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/  Jerry R. Fabian As Attorney in Fact for Archie Moore</signatureName><signatureDate>2003-11-24</signatureDate></ownerSignature></ownershipDocument>

