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| Gray Environmental Provider of industrial testing, inspection and assessment of soil and air. |   |
| Sunbelt Environmental Services Provider of a range of environmental services, hazardous and non-hazardous waste removal, including lead and asbestos inspections and water sampling and laboratory analysis. |   | |
| LA Testing Offers environmental laboratory testing services for asbestos, lead and related items. |   | |
| Lead Testing Corp. of America (LTCA) Testing, training, laboratory and consulting services for lead detection and abatement. |   | |
| Geneva Laboratories, Inc. Quality testing services meeting current regulatory standards |   | |
| Micro Analytical Laboratories Independent laboratory providing analyses and services to the asbestos and lead abatement industry. |   | |
| Intertek: Testing Laboratories Laboratories engage in research, testing and measurement activities for industry, government and commercial business. |   | |
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