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>0001704011</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 STREET, SUITE 1900</com:street1>
          <com:city>DALLAS</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75201</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>214-740-5600</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>McCormick Thomas Edward</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC CAPITALS MARKETS LLC</name>
          <address>
            <com:street1>250 Nicollet Mall</com:street1>
            <com:street2>Suite 1700</com:street2>
            <com:city>Minneapolis</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>61390</noOfUnitsSold>
        <aggregateMarketValue>3950446.00</aggregateMarketValue>
        <noOfUnitsOutstanding>53713084</noOfUnitsOutstanding>
        <approxSaleDate>03/17/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>01/31/2023</acquiredDate>
        <natureOfAcquisitionTransaction>STOCK AWARD</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>11106</amountOfSecuritiesAcquired>
        <paymentDate>07/31/2023</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>03/01/2024</acquiredDate>
        <natureOfAcquisitionTransaction>STOCK AWARD</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>34855</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2024</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>06/29/2024</acquiredDate>
        <natureOfAcquisitionTransaction>STOCK AWARD</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>15429</amountOfSecuritiesAcquired>
        <paymentDate>06/29/2024</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>03/17/2025</noticeDate>
        <signature>POA JEFFREY J. KAPALA</signature>
      </noticeSignature>
    </formData>
  
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text: 144
  0001704011
  XXXXXXXX
  LIVE
  0001361538
  Primoris Services Corp
  001-34145
  2300 N. FIELD STREET, SUITE 1900
  DALLAS
  TX
  75201
  214-740-5600
  McCormick Thomas Edward
  Director
  COMMON
  RBC CAPITALS MARKETS LLC
  250 Nicollet Mall
  Suite 1700
  Minneapolis
  MN
  55401
  61390
  3950446.00
  53713084
  03/17/2025
  NYSE
  COMMON
  01/31/2023
  STOCK AWARD
  ISSUER
  N
  11106
  07/31/2023
  N/A
  COMMON
  03/01/2024
  STOCK AWARD
  ISSUER
  N
  34855
  03/01/2024
  N/A
  COMMON
  06/29/2024
  STOCK AWARD
  ISSUER
  N
  15429
  06/29/2024
  N/A
  Y
  03/17/2025
  POA JEFFREY J. KAPALA