content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001441075</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001361538</issuerCik>
        <issuerName>Primoris Services Corp</issuerName>
        <secFileNumber>001-34145</secFileNumber>
        <issuerAddress>
          <com:street1>2300 N. Field St</com:street1>
          <com:street2>STE 1900</com:street2>
          <com:city>Dallas</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75201</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2147405600</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Cook Stephen C.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Northern Trust Securities Inc</name>
          <address>
            <com:street1>1801 Post Oak Blvd</com:street1>
            <com:street2>STE 500</com:street2>
            <com:city>Houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77056</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>4018</noOfUnitsSold>
        <aggregateMarketValue>315533.54</aggregateMarketValue>
        <noOfUnitsOutstanding>53713084</noOfUnitsOutstanding>
        <approxSaleDate>11/14/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>07/27/2017</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1908</amountOfSecuritiesAcquired>
        <paymentDate>07/27/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/07/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1010</amountOfSecuritiesAcquired>
        <paymentDate>12/07/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/17/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>352</amountOfSecuritiesAcquired>
        <paymentDate>08/17/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/04/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>748</amountOfSecuritiesAcquired>
        <paymentDate>05/04/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/14/2024</noticeDate>
        <signature>Jason Coleman as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Stephen Cook</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4545}]
text: 144
  0001441075
  XXXXXXXX
  LIVE
  0001361538
  Primoris Services Corp
  001-34145
  2300 N. Field St
  STE 1900
  Dallas
  TX
  75201
  2147405600
  Cook Stephen C.
  Director
  Common
  Northern Trust Securities Inc
  1801 Post Oak Blvd
  STE 500
  Houston
  TX
  77056
  4018
  315533.54
  53713084
  11/14/2024
  NYSE
  Common
  07/27/2017
  Payment for Services Rendered
  Primoris
  N
  1908
  07/27/2018
  Compensation
  Common
  12/07/2022
  Payment for Services Rendered
  Primoris
  N
  1010
  12/07/2022
  Compensation
  Common
  08/17/2023
  Payment for Services Rendered
  Primoris
  N
  352
  08/17/2023
  Compensation
  Common
  05/04/2022
  Payment for Services Rendered
  Primoris
  N
  748
  05/04/2022
  Compensation
  Y
  11/14/2024
  Jason Coleman as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Stephen Cook