Ethics Explorer A Guide to the Financial Interests of Elected Officials

Rep. William A. "Bill" Callegari District 132 (R-Houston)

Business Owner, Engineering/Manufacturing
B.S., Louisiana State University; M.S., University of Houston.
  • Natural Resources
  • Pensions (Chair)
Financial Statements

Sources of Income

  • Callegari owns WC Engineers Inc., where he provides engineering consulting and design services for the water, wastewater and environmental industries.

  • He also founded AM-TEX Corporation, a firm he sold in 1993 that manages and operates water utilities.

  • He has significant stock holdings in interests like pharmaceutical companies; financial, communications and technology firms; retail outlets; and the energy industry.


  • 37 acres and residence in Katy valued at $318,773 and a neighboring lot valued at $362,937

  • Residence in Horseshoe Bay valued at $639,765

  • Ranch in Blanco County valued at about $190,000

  • Farm and commercial lot in Avoyelles Parish, La.


  • Callegari has passed several bills relating to water and land use, the areas in which he makes his money consulting. He has pushed for a reform of the state's rules on groundwater districts, wastewater and water service providers.

  • He was a member of the city of Houston's Wastewater Regionalization Task Force, chairman of the Greater Houston Builders Association's Government Affairs Committee and chairman of the Texas Water Commission's Wastewater Advisory Council.