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Assuming you mean Alaskan Airlines, their fleet consists of:
Boeing 737-900
Boeing 737-900ER
Boeing 737-800
Boeing 737-700
Boeing 737-400
Boeing 737-400 Combi
Bombardier Q400
Bombardier CRJ-700
The Boeing 737 is assembled in Renton, WA
Boeing 737-100
The Boeing 737-900ER cost $89.6 million.
The CFM International CM56-7B27 on their Boeing 737-800 while the CFM International CFM56-3B-2 on their Boeing 737-400