Page 41 of 46









EXHIBIT 21



PARENT AND SUBSIDIARIES

| | (Included in the Consolidated Financial Statements and Whollyowned)
| | --------------------------------------------------------------------



National Presto Industries, Inc.

Eau Claire, Wisconsin (A Wisconsin Corporation)



| | Its Subsidiaries:                             | 
| | --------------------------------------------- | 
| | National Holding Investment Company           | 
| | Wilmington, Delaware (A Delaware Corporation)
| |                                               | 



| | Its Subsidiaries:                                | 
| | ------------------------------------------------ | 
| | Presto Manufacturing Company                     | 
| | Jackson, Mississippi (A Mississippi Corporation)
| |                                                  | 



| | Its Division:                                    | 
| | ------------------------------------------------ | 
| | Presto Products Manufacturing Company (Inactive)
| | Alamogordo, New Mexico                           | 
| |                                                  | 



| | Century Leasing and Liquidating, Inc. (Inactive) | 
| | ------------------------------------------------ | 
| | Minneapolis, Minnesota (A Minnesota Corporation)



| | Its Subsidiary:                                  | 
| | ------------------------------------------------ | 
| | Presto Export, Inc. (Inactive)                   | 
| | Minneapolis, Minnesota (A Minnesota Corporation)
| |                                                  | 



| | Jackson Sales and Storage Company                | 
| | ------------------------------------------------ | 
| | Jackson, Mississippi (A Mississippi Corporation)



| | Canton Sales & Storage Company                  | 
| | ----------------------------------------------- | 
| | Canton, Mississippi (A Mississippi Corporation)



| | Presto Export, Ltd. (Inactive)                                               | 
| | ---------------------------------------------------------------------------- | 
| | Christiansted, St. Croix, U.S. Virgin Islands (A Virgin Islands Corporation)



| | National Defense Corporation (Inactive)         | 
| | ----------------------------------------------- | 
| | Eau Claire, Wisconsin (A Wisconsin Corporation)



| | AMTEC Corporation                               | 
| | ----------------------------------------------- | 
| | Janesville, Wisconsin (A Wisconsin Corporation)



| | Its Subsidiary:                                | 
| | ---------------------------------------------- | 
| | Spectra Technologies LLC                       | 
| | East Camden, Arkansas (A Delaware Corporation)
| |                                                | 



| | Presto Absorbent Products, Inc.                 | 
| | ----------------------------------------------- | 
| | Eau Claire, Wisconsin (A Wisconsin Corporation)



| | Its Division:                     | 
| | --------------------------------- | 
| | Presto Absorbent ProductsAtlanta
| | Marietta, Georgia                 | 
| |                                   | 



| | NPI Export Corporation (Inactive)                | 
| | ------------------------------------------------ | 
| | Minneapolis, Minnesota (A Minnesota Corporation)





---