EXHIBIT 23
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                     CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 33-83160 and 33-06565) of Zoltek Companies,
Inc. of our report dated December 19, 2003, except for Note 2, which is
as of January 13, 2004, relating to the consolidated financial statements of
Zoltek Companies, Inc., which appears in this Form 10-K. We also consent to
the incorporation by reference of our report dated December 19, 2003
relating to the Financial Statement Schedule, which appears in this Form
10-K.

/s/PricewaterhouseCoopers LLP
- -----------------------------
PricewaterhouseCoopers LLP
St. Louis, Missouri

January 13, 2004