Engineering
- 101
- Strategic Environmental and Ecological Services, Inc.
- Full-service environmental consulting firm offering both environmental and health and safety services.
- 102
- TRX Consulting
- Geophysics, geochemistry, geology and GIS - DTM studies in environmental, groundwater, engineering and geotechnical studies. Mining and Oils exploration. No dig - NDT and GPR technologies.
- 104
- Terrane Consultants Ltd
- Geotechnical engineering services provider in the North Island of New Zealand.
- 106
- Tetra Tech, Inc.
- Provides environmental engineering and consulting services addressing complex water contamination, cultural resource management, and other environmental problems.
- 107
- The ACT Group
- Specializing in dust control using water, air and natural chemicals, and expert assistance in bulk handling.
- 108
- Timmons Design Engineers
- A consulting engineering firm located in San Francisco, California. The firm offers a complete range of mechanical, electrical, plumbing and sustainable design services for a diverse range of projects including commercial, retail, industrial, public, institutional and residential.
- 109
- Vacudyne Incorporated
- Engineering firm specializing in design, fabrication and installation of industrial gas sterilizers, fumigators, oil reprocessors and other vacuum technology-based products.
- 110
- Van Walt
- A UK company supplying augers and related equipment for groundwater sampling, soil and earth testing, sludge and sediment sampling, penetrometers, and permeameters.
- 111
- WHKS and Co.
- Offering boundary surveys, land development and subdivision platting, and topographical mapping and engineering design.
- 112
- Watercare Systems
- Providing information on water filtration and disinfection systems including solar powered treatments and cryptosporidium sampling equipment. Watercare Systems is based in North Devon, UK.
- 113
- Weeco International
- A volatile organic chemical (VOC) control and degassing company that provides contract service for all of the major oil companies and storage facilities using the latest degassing and incineration technology.
- 114
- Welltech Pacific Limited
- Supply low cost high quality ozone generator and accessories for drinking water, aquarium, fish hatchery, cooling tower and HVAC system.
- 115
- Weston Solutions, Inc.
- Infrastructure redevelopment firm providing integrated, sustainable solutions for environmental restoration, property redevelopment, design/build construction, green buildings and clean energy.
- 117
- Woolpert LLP
- Providing client-focused solutions for matters including engineering, architecture, and design.
- 118
- XCG Consultants Ltd.
- An environmental engineering specialist firm with affiliations with large design firms and specialty firms in a number of fields.