Company:  GENTEX CORP (GNTX)
Form Type:  10-K
Filing Date:  2/20/2013 
CIK:  0000355811 
Address:  600 N CENTENNIAL ST 
City, State, Zip:  ZEELAND, Michigan 49464 
Telephone:  (616) 772-1800 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$30.47  
Change: 
0.32 (1.06%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$4.44B
Description of Business
Gentex Corporation (the Company) designs and manufactures automatic-dimming rearview mirrors and electronics for the automotive industry, dimmable aircraft windows for the aviation industry, and commercial smoke alarms and signaling devices for the fire protection industry. The Company�s largest business segment involves designing, developing, manufacturing and marketing interior and exterior auto-dimming automotive rearview mirrors that utilize proprietary electrochromic technology to dim in proportion to the amount of headlight glare from trailing vehicle headlamps. The Company ships its product to all of the major automotive producing regions worldwide, which it supports with numerous sales, engineering and distribution locations worldwide. The Company was organized as a Michigan corporation in 1974 to manufacture smoke detectors, a product line has since evolved to include include a variety of fire protection products.
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  FORM 10-K
    Part I
      Item 1. Business.
      Item 1A. Risk Factors.
      Item 1B. Unresolved Staff Comments.
      Item 2. Properties.
      Item 3. Legal Proceedings.
      Item 4. Mine Safety Disclosures.
    PART II
      Item 5. Market for the Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data.
      Item 7. Management's Discussion and Analysis of ...
        Results of Operations.
        Liquidity and Capital Resources
        Market Risk Disclosure
      Item 8. Financial Statements and Supplementary Data.
      Item 9. Changes in and Disagreements with ...
      Item 9A. Controls and Procedures.
      Item 9B. Other Information.
    PART III
      Item 10. Directors, Executive Officers and Corporate Governance.
        NAME AND TITLE
      Item 11. Executive Compensation.
      Item 12. Security Ownership of Certain Beneficial ...
      Item 13. Certain Relationships and Related ...
      Item 14. Principal Accounting Fee and Services.
    PART IV
      Item 15. Exhibits and Financial Statement Schedules.
    SIGNATURES
    Report of Independent Registered Public Accounting Firm
    Report of Independent Registered Public Accounting Firm
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    CASH FLOW
    NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER OF GENTEX ...
    CERTIFICATION OF THE CHIEF FINANCIAL OFFICER OF GENTEX ...
  EXHIBIT 31.1
    CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER OF GENTEX ...
  EXHIBIT 31.2
    CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER OF GENTEX ...
  EXHIBIT 32
    CERTIFICATE PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY
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