<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001440820</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001361538</issuerCik>
            <issuerName>PRIMORIS SERVICES CORPORATION</issuerName>
            <secFileNumber>001-34145</secFileNumber>
            <issuerAddress>
                <ns2:street1>2300 N. Field Street, Suite 1900</ns2:street1>
                <ns2:street2>Suite 1900</ns2:street2>
                <ns2:city>Dallas</ns2:city>
                <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                <ns2:zipCode>75201</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(214) 740-5600</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JOHN P SCHAUERMAN &amp; CLAUDIA H SCHAUERMAN TR UA 08/12/10 SCHAUERMAN FAMILY TRUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Board Member</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>15000</noOfUnitsSold>
            <aggregateMarketValue>778800.00</aggregateMarketValue>
            <noOfUnitsOutstanding>53640127</noOfUnitsOutstanding>
            <approxSaleDate>05/20/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/31/2008</acquiredDate>
            <natureOfAcquisitionTransaction>Merger/Acquisition</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>15000</amountOfSecuritiesAcquired>
            <paymentDate>07/31/2008</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>J P SCHAUERMAN &amp; C H SCHAUERMAN CO-TTEE SCHAUERMAN FAMILY TRUST U/A DTD 08/12/2010</name>
                <address>
                    <ns2:street1>2300 N. Field Street, Suite 1900</ns2:street1>
                    <ns2:street2>Suite 1900</ns2:street2>
                    <ns2:city>Dallas</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>75201</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/21/2024</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>826144.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>J P SCHAUERMAN &amp; C H SCHAUERMAN CO-TTEE SCHAUERMAN FAMILY TRUST U/A DTD 08/12/2010</name>
                <address>
                    <ns2:street1>2300 N. Field Street, Suite 1900</ns2:street1>
                    <ns2:street2>Suite 1900</ns2:street2>
                    <ns2:city>Dallas</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>75201</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/15/2024</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>812240.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/20/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ John P Schauerman, Trustee</signature>
        </noticeSignature>
    </formData>
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144
0001440820
XXXXXXXX
LIVE
0001361538
PRIMORIS SERVICES CORPORATION
001-34145
2300 N. Field Street, Suite 1900
Suite 1900
Dallas
TX
75201
(214) 740-5600
JOHN P SCHAUERMAN & CLAUDIA H SCHAUERMAN TR UA 08/12/10 SCHAUERMAN FAMILY TRUST
Board Member
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
15000
778800.00
53640127
05/20/2024
NYSE
Common
07/31/2008
Merger/Acquisition
Issuer
N
15000
07/31/2008
Not Applicable
N
J P SCHAUERMAN & C H SCHAUERMAN CO-TTEE SCHAUERMAN FAMILY TRUST U/A DTD 08/12/2010
2300 N. Field Street, Suite 1900
Suite 1900
Dallas
TX
75201
Common
03/21/2024
20000
826144.00
J P SCHAUERMAN & C H SCHAUERMAN CO-TTEE SCHAUERMAN FAMILY TRUST U/A DTD 08/12/2010
2300 N. Field Street, Suite 1900
Suite 1900
Dallas
TX
75201
Common
03/15/2024
20000
812240.00
05/20/2024
/s/ John P Schauerman, Trustee