content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001549986</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000089439</issuerCik>
        <issuerName>Mueller Industries, Inc.</issuerName>
        <secFileNumber>001-06770</secFileNumber>
        <issuerAddress>
          <com:street1>150 Schilling Boulevard, Suite 100</com:street1>
          <com:city>Collierville</com:city>
          <com:stateOrCountry>TN</com:stateOrCountry>
          <com:zipCode>38017</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>901-753-3200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Steffen Sigloch</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>JP Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue, 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>19585</noOfUnitsSold>
        <aggregateMarketValue>1556420</aggregateMarketValue>
        <noOfUnitsOutstanding>110649746</noOfUnitsOutstanding>
        <approxSaleDate>07/01/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>08/02/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vested restricted shares</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>19585</amountOfSecuritiesAcquired>
        <paymentDate>08/02/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Steffen Sigloch</name>
          <address>
            <com:street1>C/o Mueller Industries, Inc.</com:street1>
            <com:street2>150 Schilling Boulevard, Suite 100</com:street2>
            <com:city>Collierville</com:city>
            <com:stateOrCountry>TN</com:stateOrCountry>
            <com:zipCode>38017</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>04/03/2025</saleDate>
        <amountOfSecuritiesSold>19584</amountOfSecuritiesSold>
        <grossProceeds>1466103</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Steffen Sigloch</name>
          <address>
            <com:street1>C/o Mueller Industries, Inc.</com:street1>
            <com:street2>150 Schilling Boulevard, Suite 100</com:street2>
            <com:city>Collierville</com:city>
            <com:stateOrCountry>TN</com:stateOrCountry>
            <com:zipCode>38017</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>05/12/2025</saleDate>
        <amountOfSecuritiesSold>19584</amountOfSecuritiesSold>
        <grossProceeds>1521133</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The shares covered by this filing will be sold on 07/01/25 or within three months from the date of this filing.</remarks>
      <noticeSignature>
        <noticeDate>07/01/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>10/30/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Steffen Sigloch</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001549986
  XXXXXXXX
  LIVE
  0000089439
  Mueller Industries, Inc.
  001-06770
  150 Schilling Boulevard, Suite 100
  Collierville
  TN
  38017
  901-753-3200
  Steffen Sigloch
  Officer
  Common Stock
  JP Morgan Securities LLC
  390 Madison Avenue, 6th Floor
  New York
  NY
  10017
  19585
  1556420
  110649746
  07/01/2025
  NYSE
  Common Stock
  08/02/2024
  Vested restricted shares
  Issuer
  N
  19585
  08/02/2024
  Compensation
  N
  Steffen Sigloch
  C/o Mueller Industries, Inc.
  150 Schilling Boulevard, Suite 100
  Collierville
  TN
  38017
  Common Stock
  04/03/2025
  19584
  1466103
  Steffen Sigloch
  C/o Mueller Industries, Inc.
  150 Schilling Boulevard, Suite 100
  Collierville
  TN
  38017
  Common Stock
  05/12/2025
  19584
  1521133
  The shares covered by this filing will be sold on 07/01/25 or within three months from the date of this filing.
  07/01/2025
  10/30/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Steffen Sigloch