UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                          Catalyst Lighting Group, Inc.
                         (formerly Wentworth III, Inc.)
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                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
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                         (Title of Class of Securities)

                                   950704 10 6
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                                 (CUSIP Number)

                          Catalyst Lighting Group, Inc.
                      6777 Camp Bowie Boulevard, Suite 233
                              Fort Worth, TX 76116
                                 (800) 433-7753
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                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 August 27, 2003
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             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss.240.13d-1(e),  240.13d-1(f) or 240.13d-1(g), check the
following box. [ ]

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.     950704 10 6
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1.   Names of Reporting  Persons.  I.R.S.  Identification  Nos. of above persons
     (entities only).
     Dennis H. Depenbusch......................................................
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2.   Check the Appropriate Box if a Member of a Group (See Instructions)
    (a)   ..........X..........................................................
    (b)   .....................................................................
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3.   SEC Use Only
    ...........................................................................
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4.   Source of Funds (See Instructions) (See item 3).......PF..................
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5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to
     Items 2(d) or 2(e) .......................................................
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6.   Citizenship or Place of Organization
     U.S.A.....................................................................
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Number of          7. Sole Voting Power ..............................3,350....
Shares
Beneficially       8. Shared Voting Power ........................1,607,624....
Owned by
Each               9. Sole Dispositive Power.........................3,350.....
Reporting
Person With       10. Shared Dispositive Power ..................1,607,624.....
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11.  Aggregate Amount Beneficially Owned by Each Reporting Person ....1,610,974
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12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions) .......................................................
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13.  Percent of Class Represented by Amount in Row (11) ..............47.5%....
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14.  Type of Reporting Person (See Instructions)
     ...IN.....................................................................




CUSIP No.     950704 10 6
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1.   Names of Reporting  Persons.  I.R.S.  Identification  Nos. of above persons
     (entities only).
     Darcilyn H. Depenbusch....................................................
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2.   Check the Appropriate Box if a Member of a Group (See Instructions)
    (a)   .....................................................................
    (b)   ..........X..........................................................
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3.   SEC Use Only
    ...........................................................................
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4.   Source of Funds (See Instructions) (See item 3).......PF..................
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5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to
     Items 2(d) or 2(e) .......................................................
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6.   Citizenship or Place of Organization
     U.S.A.....................................................................
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Number of          7. Sole Voting Power .......................................
Shares
Beneficially       8. Shared Voting Power .......................1,607,624.....
Owned by
Each               9. Sole Dispositive Power...................................
Reporting
Person With       10. Shared Dispositive Power ..................1,607,624.....
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11.  Aggregate Amount Beneficially Owned by Each Reporting Person ....1,607,624
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12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions) .......................................................
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13.  Percent of Class Represented by Amount in Row (11) ..............47.4%....
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14.  Type of Reporting Person (See Instructions)
     ...IN.....................................................................




CUSIP No.     950704 10 6
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1.   Names of Reporting  Persons.  I.R.S. Identification  Nos. of above persons
     (entities only).
     The Dennis H. Depenbusch Revocable Trust.....512-78-0252..................
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2.   Check the Appropriate Box if a Member of a Group (See Instructions)
    (a)   .....................................................................
    (b)   ...........X.........................................................
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3.   SEC Use Only
    ...........................................................................
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4.   Source of Funds (See Instructions) (See item 3).......PF..................
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5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to
     Items 2(d) or 2(e) .......................................................
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6.   Citizenship or Place of Organization
     Kansas....................................................................
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Number of          7. Sole Voting Power ..........................1,607,624....
Shares
Beneficially       8. Shared Voting Power .....................................
Owned by
Each               9. Sole Dispositive Power......................1,607,624....
Reporting
Person With       10. Shared Dispositive Power ................................
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11.  Aggregate Amount Beneficially Owned by Each Reporting Person .1,607,624...
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12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions) .......................................................
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13.  Percent of Class Represented by Amount in Row (11) ..............47.4%....
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14.  Type of Reporting Person (See Instructions)
     ...OO.....................................................................




ITEM 1.  SECURITY AND ISSUER.

     This  Schedule 13D relates to the common  stock,  par value $0.01 per share
(the "Common Stock") of Catalyst Lighting Group, Inc.  (formerly  Wentworth III,
Inc.),  whose  principal  executive  offices  are  located  at 6777  Camp  Bowie
Boulevard, Suite 233, Fort Worth, TX 76116 (the "Issuer").

ITEM 2. IDENTITY AND BACKGROUND.

     (a) The names of the reporting  persons filing this statement are Dennis H.
Depenbusch ("Mr.  Depenbusch"),  Darcilyn H. Depenbusch ("Mrs.  Depenbusch") and
the Dennis H. Depenbusch Revocable Trust (the "Trust").



     (b) The business address of each of Mr. Depenbusch, Mrs. Depenbusch and the
Trust is c/o Catalyst  Lighting Group,  Inc., 6777 Camp Bowie  Boulevard,  Suite
233, Fort Worth, TX 76116.

     (c) Mr. Depenbusch is the Chief Executive Officer and Chairman of the Board
of Directors of the Issuer, 6777 Camp Bowie Boulevard, Suite 233, Fort Worth, TX
76116.  The Issuer is the sole owner of all partnership units of Whitco Company,
LP  ("Whitco")  a  nationwide  marketer  and  distributor  of steel and aluminum
outdoor lighting poles. Mr. Depenbusch is also the Co-Trustee of the Trust. Mrs.
Depenbusch  is  a  Co-Trustee  of  the  Trust.  The  Trust was formed for estate
planning  purposes.

     (d) Neither Mr.  Depenbusch nor Mrs.  Depenbusch have been convicted in any
criminal  proceedings  during  the  last  five  years.  The  Trust  has not been
convicted in any criminal proceedings during the last five years.

     (e) Neither Mr.  Depenbusch  nor Mrs.  Depenbusch  have been a party to any
civil proceedings  during the last five years. The Trust has not been a party to
any civil proceedings during the last five years.

     (f) Both Mr.  Depenbusch  and Mrs.  Depenbusch  are  citizens of the United
States. The Trust is organized under the laws of the State of Kansas.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

     Both Mr. Depenbusch individually and the Trust acquired the securities as a
result  of the  acquisition  of all of the  partnership  units of  Whitco by the
Issuer in exchange for an  aggregate  of  2,991,368  shares of Common Stock (the
"Acquisition").  Both Mr. Depenbusch individually and the Trust were partners in
Whitco prior to the Acquisition.  The single partnership unit of Whitco owned by
Mr.  Depenbusch  was  converted  to 3,350  shares of Common  Stock.  The  479.82
partnership  units  owned by the Trust in Whitco  were  converted  to  1,607,624
shares of Common Stock.

ITEM 4.  PURPOSE OF TRANSACTION.

     Both Mr. Depenbusch individually and the Trust acquired the securities as a
result of the  Acquisition.  Both Mr.  Depenbusch and the Trust were partners in
Whitco  prior to the  Acquisition.  The  securities  issued by the Issuer to Mr.
Depenbusch and the Trust were issued as a result of the  Acquisition  and for no
other reason.

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

     (a) Mr.  Depenbusch  beneficially  owns an aggregate of 1,610,974 shares of
Common Stock,  representing  47.5% of the outstanding  shares of Common Stock of
the Issuer  (based,  as to the number of outstanding  shares,  upon the Issuer's
Form SB-2  filed  August  12,  2003,  with  respect  to the  Acquisition).  Mrs.
Depenbusch  beneficially  owns an aggregate of 1,607,624 shares of Common Stock,
representing  47.4% of the outstanding  shares of Common Stock (based, as to the
number of outstanding shares, upon the Issuer's Form SB-2 filed August 12, 2003,
with respect to the  Acquisition).  The Trust  beneficially owns an aggregate of
1,607,624 shares of Common Stock,  representing  47.4% of the outstanding shares
of Common Stock of the Issuer (based,  as to the number of  outstanding  shares,
upon the  Issuer's  Form  SB-2  filed  August  12,  2003,  with  respect  to the
Acquisition).



     (b) Mr.  Depenbusch  has sole  power  to vote and  dispose  or  direct  the
disposition  thereof  with  respect to the 3,350  shares of common  stock  owned
individually by him. Mr.  Depenbusch has the shared power with Mrs.  Depenbusch,
the only  other  trustee  of the  Trust,  to vote and  dispose,  or  direct  the
disposition, of the 1,607,624 shares of Common Stock owned by the Trust.

     (c) 3,350 shares reported  herein were acquired by Mr.  Depenbusch from the
Issuer pursuant to the Acquisition on August 27, 2003. 1,607,624 shares reported
herein were acquired by the Trust from the Issuer pursuant to the Acquisition on
August 27, 2003.

     (d) No other  person is known to have the right to  receive or the power to
direct the receipt of  dividends  from,  or the  proceeds  from the sale of, the
3,350 shares of Common Stock owned by Mr. Depenbusch  individually.  Mr and Mrs.
Depenbusch  are known to have the shared right to receive or the power to direct
the receipt of dividends  from,  or the proceeds from the sale of, the 1,607,624
shares of Common Stock owned by the Trust.

     (e) Not applicable.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER.

     The securities  discussed herein are the result of the Securities  Exchange
Agreement  executed  by  and  between  Whitco  and  the  Issuer  (the  "Exchange
Agreement").

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS.

     Exchange Agreement.

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.

                              September 3, 2003

                               /s/ Dennis H. Depenbusch
                              --------------------------------------------
                              Dennis H. Depenbusch


                              September 3, 2003


                               /s/ Dennis H. Depenbusch
                              --------------------------------------------
                              Dennis H. Depenbusch, Co-Trustee
                              of the Dennis H. Depenbusch Revocable Trust


                              September 3, 2003


                               /s/ Darcilyn Depenbusch
                              --------------------------------------------
                              Darcilyn Depenbusch, Co-Trustee
                              of the Dennis H. Depenbusch Revocable Trust