- Dust Free Division
 - Royse City - Electrostatic air filter and air cleaner manufacturer. - Pumps and Controls, Inc.
- Arlington - Water treatment equipment.
- Global Water Technologies
- Dallas - Manufactures and installs water purification systems for disaster relief, military, industry, and home.
- GEBCO Associates, Inc.
- Hurst - Environmental training service providing certification courses in asbestos, lead, HAZWOPER, and environmental site assessments (Phase I's).
- Water, Earth Solutions & Technologies, Inc.
- Dallas - Services include UST and waste management; asbestos, indoor air quality and site assessments; and environmental drilling services.
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