Also, Norway:
"The country maintains a combination of market economy and a Nordic welfare model with universal health care and a comprehensive social security system. Norway has extensive reserves of petroleum, natural gas, minerals, lumber, seafood, fresh water, and hydropower. The petroleum industry accounts for around a quarter of the country's gross domestic product (GDP) On a per-capita basis, Norway is the world's largest producer of oil and natural gas outside the Middle East." (Wikipedia)