Answer questions only from the table below:
| Company Name | Number of Employees | Year Established | IPO Date | NAME_1 |
| Providence Inc. | 250 | 1990 | 25th August 1990 | $0.90 |
| Grant Corporation | 2000 | 1890 | 21st September 1920 | $115.90 |
| Rusty Metalworks | 12459 | 1946 | 12th September 1986 | $15.23 |
| Dull Knives &  Blades | 3412 | 2008 | 1st December 2012 | $3.20 |

Answer the following questions.

What is the NAME_1 and IPO date of Rusty Metalworks?
 $15.23, 12th September 1986

How many companies were established in the 20th century and who are they? Write your response with at least 1000 words.
user