In the news: Ecolab agreed to pay $2.2 billion for Champion on Friday. The deal comes nearly a year after Ecolab's biggest deal -- the $8.3 billion acquisition of Nalco.
Description: Champion and its related company, Corsicana Technologies, sell oil field production chemicals and services to the global oil and gas industry.
Chairman: Steve Lindley
President and CEO: Tom Amonett
Employees: 3,300 employees in more than 30 countries
2011 sales: $1.2 billion
Deal closing: The deal is expected to close before Dec. 31.