content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <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 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>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 STE500</com:street1>
            <com:city>Houston</com:city>
            <com:stateOrCountry>VT</com:stateOrCountry>
            <com:zipCode>77056</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>4000</noOfUnitsSold>
        <aggregateMarketValue>132000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>53328873</noOfUnitsOutstanding>
        <approxSaleDate>08/10/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for services rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4000</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2022</paymentDate>
        <natureOfPayment>compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen and Allyson Cook</name>
          <address>
            <com:street1>522 shadywood Dr</com:street1>
            <com:city>houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77057</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Primoris Services inc</securitiesClassTitle>
        <saleDate>06/09/2023</saleDate>
        <amountOfSecuritiesSold>3500</amountOfSecuritiesSold>
        <grossProceeds>104153.21</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/10/2023</noticeDate>
        <signature>/s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stephen Cook</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001441075
  XXXXXXXX
  LIVE
  0001361538
  Primoris Services Corp
  001-34145
  2300 N. FIELD STREET, SUITE 1900
  DALLAS
  TX
  75201
  214-740-5600
  Cook Stephen C.
  Director
  Common
  Northern Trust Securities Inc
  1801 Post Oak Blvd STE500
  Houston
  VT
  77056
  4000
  132000.00
  53328873
  08/10/2023
  NYSE
  Common
  06/30/2022
  Payment for services rendered
  Primoris
  N
  4000
  06/30/2022
  compensation
  N
  Stephen and Allyson Cook
  522 shadywood Dr
  houston
  TX
  77057
  Primoris Services inc
  06/09/2023
  3500
  104153.21
  08/10/2023
  /s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Stephen Cook