Headquarters: Chaska

Line of business: Supplies equipment used to manufacture microelectronics including semiconductor devices.

In the news: FSI agrees to sell to Tokyo Electron for $252.5 million or $6.20 per share

Why it makes sense: Tokyo looks to gain ground in surface preparation technology for semiconductor production, in which FSI is strong.

BY THE NUMBERS

FSI 2012 sales (est.): $145 million

Net income (est.): $15.4 million

Employees: About 400

Tokyo Electron 2012 sales: $8 billion

Net income: $465 million

Employees: 10,684

Source: Companies; Bloomberg News