- Abonmarche Environmental, Inc.
 - Dearborn - Providing lead and asbestos testing and consulting on indoor air quality, storage tanks and site assessments. - BDN Industrial Hygiene Consultants Inc
- Detroit - Employee safety and health testing, monitoring, and training including, asbestos, lead, noise, indoor air quality.
- Compliance, Inc.
- Livonia - Offering a wide range of regulatory consulting, risk assessment and management, and site investigation and remediation services.
- Soil and Materials Engineers, Inc.
- Plymouth - Geotechnical and geodynamic engineering, hydrogeological and various environmental services, and pavement and roofing design and evaluation services.
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