SCHEDULE 13G

                  Under the Securities and Exchange Act of 1934
                                        1
                                 (Amendment No.)

                                     MATRIX
                                (Name of Issuer)

                                  Common stock
                         (Title of Class of Securities)


                                    576853105
                                 (CUSIP Number)

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1.  NAME OF REPORTING PERSON
     S.S or l.R.S. IDENTIFICATION NO. OF ABOVE PERSON

                Century Management     TAX # 953017097

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   A
                                                                   B x
3 SEC USE ONLY4 CITIZENSHIP OR PLACE OF ORGANIZATION

                USA

5   SOLE VOTING POWER
                35,630

6   SHARED VOTING POWER

                732,460

7   SOLE DISPOSITIVE POWER

                35,630

8   SHARED DISPOSITIVE POWER

                732,460

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                768,090


10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                N/A

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9


                7.97%

12 TYPE OF REPORTING PERSON*


                IA


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Item 1.

(a) Name of Issuer

                MATRIX SERVICES

(b) Address of Issuer's Principal Executive Offices

                10701 E UTE STREET
                TULSA, OK 74116
Item 2.

(a) Name of Person Filing

                CENTURY MANAGEMENT      IRS# 953017097

(b) Address of Principal Business Office or, if none, Residence

                1301 Capitol of Texas Hwy
                SUITE  B228
                Austin, Texas   78746

(c) Citizenship

                USA

(d) Title of Class of Securities

                Common stock

(e) CUSIP Number

                576853105

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Item 3. If this statement is filed pursuant to Rule 13d-l(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)  Insurance Company as defined in section 3(a)(19) of the act

(d)  Investment Company registered under section 8 of the Investment Company
Act

(e)  Investment Adviser registered under section 203 of the Investment
Advisers Act of 1940

(f) Employee  Benefit Plan,  Pension Fund which is subject to the  provisions of
the Employee  Retirement  Income  Security Act of 1974 or  Endowment  Fund;  see
240.13d-l(b)(l)(ii)(F)

(g)  Parent Holding Company, in accordance with 240.13d-l(b)(ii)(G)
(Note: See Item 7)

(h) Group, in accordance with 240.13d-l(b)(l)(ii)(H)

Item 4. Ownership

(a) Amount Beneficially Owned

                768,090

(b) Percent of Class

                7.97%

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

(i) sole power to vote or to direct the vote 35,630 (ii) shared power to vote or
to direct  the vote  732,460  (iii)  sole  power to  dispose  or to  direct  the
disposition of 35,630 (iv) shared power to dispose or to direct the  disposition
of 732,460


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


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

        N/A

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

        N/A


Item 8. Identification and Classification of Members of the Group       N/A

Item 9. Notice of Dissolution of Group

        N/A

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Item 10. Certification


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.

                                        Date
                                        Signature /s/ Jim Brilliant
                                                  -----------------
                                        Name/Title    Jim Brilliant