Exhibit 99.4

                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ Michael D. Lundin
                                        -----------------------
                                        Name: Michael D. Lundin


November 18, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ John P. O'Brien
                                        -----------------------
                                        Name: John P. O'Brien

November 16, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ Robert H. Kanner
                                        -----------------------
                                        Name: Robert H. Kanner

November 3, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ Laurence V. Goddard
                                        -----------------------
                                        Name: Laurence V. Goddard

November 4, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ Eugene I. Davis
                                        -----------------------
                                        Name: Eugene I. Davis

November 3, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ Thomas O. Boucher, Jr.
                                        ---------------------------
                                        Name: Thomas O. Boucher, Jr.

November 12, 2004
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Date


                          CONSENT OF PROSPECTIVE DIRECTOR

     Pursuant to Rule 438 under the Securities Act of 1933, as amended (the
"Securities Act"), the undersigned hereby consents to be named as about to
become a director of Oglebay Norton Company (the "Registrant") in the
Registrant's Registration Statement on Form S-1, including all amendments
(including post-effective amendments) thereto, relating to the resale of Common
Stock, par value $0.01 per share, and Series A Convertible Preferred Stock, par
value $0.01 per share, as filed with the Securities and Exchange Commission
pursuant to the Securities Act.

                                        /s/ DeLyle W. Bloomquist
                                        --------------------------
                                        Name: DeLyle W. Bloomquist

November 10, 2004
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Date