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>0001620715</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>King David Lee</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC CAPITAL MARKETS LLC</name>
          <address>
            <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2000</noOfUnitsSold>
        <aggregateMarketValue>167960.00</aggregateMarketValue>
        <noOfUnitsOutstanding>53713084</noOfUnitsOutstanding>
        <approxSaleDate>12/02/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>02/28/2017</acquiredDate>
        <natureOfAcquisitionTransaction>COMPENSATION PLAN</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2000</amountOfSecuritiesAcquired>
        <paymentDate>02/28/2017</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>DAVID KING C/O RBC CAPITAL MARKETS LLC</name>
          <address>
            <com:street1>250 NICOLLET MALL</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>PRIMORIS SERVICES CORP</securitiesClassTitle>
        <saleDate>09/13/2024</saleDate>
        <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
        <grossProceeds>55363.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>DAVID KING C/O RBC CAPITAL MARKETS LLC</name>
          <address>
            <com:street1>250 NICOLLET MALL</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>PRIMORIS SERVICES CORP</securitiesClassTitle>
        <saleDate>11/06/2024</saleDate>
        <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
        <grossProceeds>154000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/02/2024</noticeDate>
        <signature>POA / JEFFREY EISCHENS</signature>
      </noticeSignature>
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text: 144
  0001620715
  XXXXXXXX
  LIVE
  0001361538
  Primoris Services Corp
  001-34145
  2300 N. FIELD STREET, SUITE 1900
  DALLAS
  TX
  75201
  214-740-5600
  King David Lee
  Director
  COMMON
  RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL, SUITE 1700
  MINNEAPOLIS
  MN
  55401
  2000
  167960.00
  53713084
  12/02/2024
  NASDAQ
  COMMON
  02/28/2017
  COMPENSATION PLAN
  ISSUER
  N
  2000
  02/28/2017
  N/A
  N
  DAVID KING C/O RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL
  MINNEAPOLIS
  MN
  55401
  PRIMORIS SERVICES CORP
  09/13/2024
  1000
  55363.00
  DAVID KING C/O RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL
  MINNEAPOLIS
  MN
  55401
  PRIMORIS SERVICES CORP
  11/06/2024
  2000
  154000.00
  12/02/2024
  POA / JEFFREY EISCHENS