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 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.</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>3500</noOfUnitsSold>
        <aggregateMarketValue>101150.00</aggregateMarketValue>
        <noOfUnitsOutstanding>53135487</noOfUnitsOutstanding>
        <approxSaleDate>06/07/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/24/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Payment for Services Rendered</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Primoris</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3500</amountOfSecuritiesAcquired>
        <paymentDate>02/24/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen C Cook   Allyson P Cook</name>
          <address>
            <com:street1>522 Shadywood Rd</com:street1>
            <com:city>Houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77057</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Primoris Services, Corp.</securitiesClassTitle>
        <saleDate>03/29/2023</saleDate>
        <amountOfSecuritiesSold>7000</amountOfSecuritiesSold>
        <grossProceeds>167675.45</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/06/2023</noticeDate>
        <signature>/s/ Christian Nasser, as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Stephen C 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.
  Ste 500
  Houston
  TX
  77056
  3500
  101150.00
  53135487
  06/07/2023
  NASDAQ
  Common
  02/24/2022
  Payment for Services Rendered
  Primoris
  N
  3500
  02/24/2022
  Compensation
  N
  Stephen C Cook   Allyson P Cook
  522 Shadywood Rd
  Houston
  TX
  77057
  Primoris Services, Corp.
  03/29/2023
  7000
  167675.45
  06/06/2023
  /s/ Christian Nasser, as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Stephen C Cook