Which Chinese dynasties did extensive work on building the great wall of china?

208 BC (the Qin Dynasty)

1st century BC (the Han Dynasty)

1138 - 1198 (the Five Dynasties and Ten Kingdoms Period)

1368-1620 (from the Hongwu Emperor until the Wanli Emperor of the Ming Dynasty)

It was not always these dynasties. Some smaller bulding periods worked on the Great Wall, too.