Matthew's brother Mike McConaughey has his hand in a whole bunch of pie.
Watch the water.
https://www.corporationwiki.com/Texas/Midland/michael-p-mcconaughey/30207974.aspx
Water Busters
https://opencorporates.com/companies/us_tx/0801730943
Bite my pipe
https://opencorporates.com/companies/us_tx/0802275651
https://www.corporationwiki.com/search/results?term=Mike%20McConaughey