| ATC Group Services, Inc. | | Provides industrial hygiene, environmental investigations and remediation, geotechnical engineering, construction materials testing, infrastructure engineering, laboratory analysis and environmental training. Include service and program information and news. |
| BLR, Inc. | | Internet portal for environmental businesses, including news, training advice, online forums, and other information. Some content requires paid subscription; most requires registration. |
| Canadian Enviro-Tub | | Extends the primary containment design by providing an innovative secondary containment enclosure. The resourceful design also acts as a retro-fit for most single wall tanks. |
| Cevretek | | Treatment systems, engineering, application and consulting. Water, waste water, swimming pools, and air. |
| Cleaner Production | | Annotated links and professional papers on businesses improving environmental performance. |
| D&A Environmental Inc, | | Offers site investigations, consulting work, soil and groundwater remediation, OSHA compliance audits, underground storage tank testing, non destructive testing, tank removal API 653 above ground tank inspections, lead-based paint inspections and risk management, asbestos inspections and abatement, indoor air quality testing, water quality testing ,and site characterization. |
| Environmental Analysis Inc. | | A full service national testing and consulting firm for chemical, microbiological, and environmental hazards. |
| Envirowise | | Free government-supported environmental consultation, advice, and documentation for UK businesses. |
| Fire Risk Management, Inc. | | A fire protection design and engineering, research, and consulting firm. Fire hazards and life safety analyses, fire and egress modeling, code consulting, product development, fire reconstruction and litigation support. |
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