West Harris County Mud No 21

West Harris County Mud No 21 is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Water Companies & Associations

North American Industry Classification System (NAICS) Categories:

• Water Supply And Irrigation Systems > Water Supply > Water & Sewage Companies Utility

Standard Industry Classification (SIC) Categories:

• Water Supply > Water & Sewage Companies Utility