- American Engineering Services, Inc.
 - Tampa - AES manufactures water treatment equipment. - American Water Chemicals, Inc.
- Tampa - Provides chemicals and services for boilers, cooling towers, membrane and thermal desalination plants, pasteurizers, and bottle washers.
- ENLAR Compliance Services, Inc.
- Largo - Offers ISO 14000 and 14001 services including performance indicator selection, baseline audit and gap analysis, and system planning.
- Lang Engineering of Florida, Inc.
- Tampa - Environmental remediation projects, including asbestos/lead removal, indoor air quality/duct cleaning, and hazardous waste cleanup.
- Progress Environmental Laboratories
- Tampa - Analyzing soils, waters, and hazardous waste.
|
