SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                                 SCHEDULE 13G
                                (Rule 13d-102)


           INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
         TO RULES 13d-1(b) (c), AND (d) AND AMENDMENTS THERETO FILED
                         PURSUANT TO RULE 13d-2(b)/1/

                              Mueller Industries
--------------------------------------------------------------------------------
                                (Name of Issuer)

                                 Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                  624756 10 2
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                               December 31, 2000
--------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

     [X] Rule 13d-1(b)
     [_] Rule 13d-1(c)
     [_] Rule 13d-1(d)

                        (Continued on following pages)
_____________________

     /1/  The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


 ------------------------                               --------------------
  CUSIP No. 624756 10 2              13G                 Page 2 of 12 Pages
 ------------------------                               --------------------

------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      Warren E. Buffett
------------------------------------------------------------------------------
 2    CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (A) [X]
                                                                (B) [_]

------------------------------------------------------------------------------
 3    SEC USE ONLY



------------------------------------------------------------------------------
 4    CITIZEN OR PLACE OF ORGANIZATION


      United States Citizen
------------------------------------------------------------------------------
                     5    SOLE VOTING POWER

     NUMBER OF
                          -0-
      SHARES       -----------------------------------------------------------
                     6    SHARED VOTING POWER
   BENEFICIALLY

     OWNED BY             3,217,100
                   -----------------------------------------------------------
       EACH          7    SOLE DISPOSITIVE POWER

    REPORTING
                          -0-
      PERSON       -----------------------------------------------------------
                     8    SHARED DISPOSITIVE POWER
       WITH

                          3,217,100
------------------------------------------------------------------------------
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,217,100
------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                    [_]
      Not Applicable
------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


      9.63
------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON

      IN
------------------------------------------------------------------------------


 ------------------------                               --------------------
  CUSIP No. 624756 10 2              13G                 Page 3 of 12 Pages
 ------------------------                               --------------------

------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      Berkshire Hathaway Inc.
------------------------------------------------------------------------------
 2    CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (A) [X]
                                                                (B) [_]

------------------------------------------------------------------------------
 3    SEC USE ONLY



------------------------------------------------------------------------------
 4    CITIZEN OR PLACE OF ORGANIZATION


      Delaware Corporation
------------------------------------------------------------------------------
                     5    SOLE VOTING POWER

     NUMBER OF
                          -0-
      SHARES       -----------------------------------------------------------
                     6    SHARED VOTING POWER
   BENEFICIALLY

     OWNED BY             3,217,100
                   -----------------------------------------------------------
       EACH          7    SOLE DISPOSITIVE POWER

    REPORTING
                          -0-
      PERSON       -----------------------------------------------------------
                     8    SHARED DISPOSITIVE POWER
       WITH

                          3,217,100
------------------------------------------------------------------------------
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,217,100
------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                    [_]
      Not Applicable
------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


      9.63
------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON

      HC, CO
------------------------------------------------------------------------------


 ------------------------                               --------------------
  CUSIP No. 624756 10 2              13G                 Page 4 of 12 Pages
 ------------------------                               --------------------

------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      OBH, Inc.
------------------------------------------------------------------------------
 2    CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (A) [X]
                                                                (B) [_]

------------------------------------------------------------------------------
 3    SEC USE ONLY



------------------------------------------------------------------------------
 4    CITIZEN OR PLACE OF ORGANIZATION


      Delaware Corporation
------------------------------------------------------------------------------
                     5    SOLE VOTING POWER

     NUMBER OF
                          -0-
      SHARES       -----------------------------------------------------------
                     6    SHARED VOTING POWER
   BENEFICIALLY

     OWNED BY             3,217,100
                   -----------------------------------------------------------
       EACH          7    SOLE DISPOSITIVE POWER

    REPORTING
                          -0-
      PERSON       -----------------------------------------------------------
                     8    SHARED DISPOSITIVE POWER
       WITH

                          3,217,100
------------------------------------------------------------------------------
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,217,100
------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                    [_]
      Not Applicable
------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


      9.63
------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON

      HC, CO
------------------------------------------------------------------------------


 ------------------------                               --------------------
  CUSIP No. 624756 10 2              13G                 Page 5 of 12 Pages
 ------------------------                               --------------------

------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      National Indemnity Company
------------------------------------------------------------------------------
 2    CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (A) [X]
                                                                (B) [_]

------------------------------------------------------------------------------
 3    SEC USE ONLY



------------------------------------------------------------------------------
 4    CITIZEN OR PLACE OF ORGANIZATION


      Nebraska Corporation
------------------------------------------------------------------------------
                     5    SOLE VOTING POWER

     NUMBER OF
                          -0-
      SHARES       -----------------------------------------------------------
                     6    SHARED VOTING POWER
   BENEFICIALLY

     OWNED BY             3,217,100
                   -----------------------------------------------------------
       EACH          7    SOLE DISPOSITIVE POWER

    REPORTING
                          -0-
      PERSON       -----------------------------------------------------------
                     8    SHARED DISPOSITIVE POWER
       WITH

                          3,217,100
------------------------------------------------------------------------------
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,217,100
------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                    [_]
      Not Applicable
------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)


      9.63
------------------------------------------------------------------------------
12    TYPE OF REPORTING PERSON

      IC, CO
------------------------------------------------------------------------------


Item 1(a). Name of Issuer:

     Mueller Industries

Item 1(b). Address of Issuer's Principal Executive Offices:

     8285 Tournament Drive, Suite 150
     Memphis, Tennessee 38125

Item 2(a). Name of Persons Filing:
Item 2(b). Address of Principal Business Office:
Item 2(c). Citizenship:

     Warren E. Buffett
     1440 Kiewit Plaza
     Omaha, Nebraska 68131
     United States Citizen

     Berkshire Hathaway Inc.
     1440 Kiewit Plaza
     Omaha, Nebraska 68131
     Delaware Corporation

     OBH, Inc.
     1440 Kiewit Plaza
     Omaha, Nebraska 68131
     Delaware Corporation

     National Indemnity Company
     3024 Harney Street
     Omaha, Nebraska 68131
     Nebraska Corporation

Item 2(d). Title of Class of Securities:

     Common Stock

Item 2(e). CUSIP Number:

     624756 10 2

Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
        check whether the person filing is a:

     (a) [ ]  Broker or Dealer registered under Section 15 of the Act.

     (b) [ ]  Bank as defined in Section 3(a)(6) of the Act.

     (c) [X]  Insurance Company as defined in Section 3(a)(19)


                                 Page 6 of 12


                 of the Act.

                 National Indemnity Company

         (d) [ ] Investment Company registered under Section 8 of the Investment
                 Company Act of 1940.

         (e) [ ] An investment advisor registered in accordance with Rule 13d-
                 1(b)(1)(ii)(E);

         (f) [ ] An employee benefit plan or endowment fund in accordance with
                 Rule 13d-1(b)(1)(ii)(F);

         (g) [X] A parent holding company or control person in accordance with
                 Rule 13d-1(b)(ii)(G);

                 OBH, Inc.
                 Berkshire Hathaway Inc.
                 Warren E. Buffett (an individual who may be deemed to
                 control Berkshire Hathaway Inc.)

         (h) [ ] A savings association as defined in Section 3(b) of the Federal
                 Deposit Insurance Act;

         (i) [ ] A church plan that is excluded from the definition of an
                 investment company under Section 3(c)(14) of the Investment
                 Company Act;

         (j) [X] Group in accordance with Rule 13d-1(b)(1)(ii)(J).

                 See Exhibit A

If this statement is filed pursuant to Rule 13d-1(c), check this box. [ ]

Item 4.      Ownership

     Warren E. Buffett

     (a)      Amount Beneficially Owned:

              3,217,100

     (b)      Percent of Class:

              9.63

     (c)      Number of shares as to which such person has:

              (i) sole power to vote or to direct the vote:


                                 Page 7 of 12


                        -0-

                  (ii)  shared power to vote or to direct the vote:

                        3,217,100

                  (iii) sole power to dispose or direct the
                  disposition of:

                        -0-

                  (iv)  shared power to dispose or to direct the disposition of:

                        3,217,100

         Berkshire Hathaway Inc.

         (a)      Amount Beneficially Owned:

                  3,217,100

         (b)      Percent of Class:

                  9.63

         (c)      Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote:

                        -0-

                  (ii)  shared power to vote or to direct the vote:

                        3,217,100

                  (iii) sole power to dispose or direct the
                  disposition of:

                           -0-

                  (iv)  shared power to dispose or to direct the disposition of:

                        3,217,100

         OBH, Inc.


                                 Page 8 of 12


         (a)      Amount Beneficially Owned:

                  3,217,100

         (b)      Percent of Class:

                  9.63

         (c)      Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote:

                        -0-

                  (ii)  shared power to vote or to direct the vote:

                        3,217,100

                  (iii) sole power to dispose or direct the
                  disposition of:

                        -0-

                  (iv)  shared power to dispose or to direct the disposition of:

                        3,217,100

         National Indemnity Company

         (a)      Amount Beneficially Owned:

                  3,217,100

         (b)      Percent of Class:

                  9.63

         (c)      Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote:

                        -0-

                  (ii)  shared power to vote or to direct the vote:

                        3,217,100

                  (iii) sole power to dispose or direct the


                                 Page 9 of 12


         disposition of:

               -0-

         (iv)  shared power to dispose or to direct the disposition of:

               3,217,100

Item 5.  Ownership of Five Percent or Less of a Class.

     Not Applicable

Item 6.  Ownership of More than Five Percent on Behalf of Another Person.

     Not Applicable

Item 7.  Identification and Classification of the Subsidiary Which Acquired the
         Security Being Reported on By the Parent Holding Company.


Item 8.  Identification and Classification of Members of the Group.

     See Exhibit A

Item 9.  Notice of Dissolution of Group.

     Not Applicable

Item 10. Certification.

     By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having such purpose or effect.


                                 Page 10 of 12


                                   SIGNATURE


          After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Dated this 13th day of February, 2001


/s/ Warren E. Buffett
-------------------------------
Warren E. Buffett



BERKSHIRE HATHAWAY INC.                                 OBH, INC.

By: /s/ Warren E. Buffett                           By: /s/ Warren E. Buffett
    ------------------------                            -----------------------
    Warren E. Buffett                                   Warren E. Buffett
    Chairman of the Board                               Chairman of the Board



NATIONAL INDEMNITY COMPANY

By: /s/ Warren E. Buffett
    -----------------------
    Warren E. Buffett
    Chairman of the Board


                                 Page 11 of 12


                                   Exhibit A

                            MEMBERS OF FILING GROUP


PARENT HOLDING COMPANY:


Berkshire Hathaway Inc.

OBH, Inc.

Warren E. Buffett (an individual who may be deemed to control Berkshire Hathaway
Inc.)

RELEVANT SUBSIDIARIES THAT ARE INSURANCE COMPANIES AS DEFINED IN SECTION
3(a)(19) OF THE ACT:

National Indemnity Company


                                 Page 12 of 12