| LEED AP Neighborhood Development | Green Business Certification Inc. |
| Industrial Radiography Radiation Safety Personnel - X-Ray | American Society for Nondestructive Testing |
| Certified Process Safety Auditor | Board for Global EHS Credentialing |
| Lead Abatement Worker | Environmental Protection Agency |
| Renovation, Repair and Painting Program | Environmental Protection Agency |
| Zero Waste Principles & Practices | Solid Waste Association of North America |
| Certified Electron Microscopy Technologist | Microscopy Society of America |
| Registered Radiation Protection Technologist | National Registry of Radiation Protection Technologists |
| Certified Environmental Professional in Training | Academy of Board Certified Environmental Professionals |
| Certified Hazardous Materials Practitioner | Institute of Hazardous Materials Management |
| Radon Mitigation Specialist | National Radon Safety Board |
| Managing Integrated Solid Waste Management Systems | Solid Waste Association of North America |
| Water Lab Analyst Class I | Association of Boards of Certification |
| Certified Ground Water Professional | National Ground Water Association |
| Associate Environmental Professional | National Registry of Environmental Professionals |
| Certified in Public Health | National Board of Public Health Examiners |
| Certified Environmental Scientist | National Registry of Environmental Professionals |
| Mold Awareness Specialist | National Registry of Environmental Professionals |
| Certified Restorer | Restoration Industry Association |
| Registered Safety Director | World Safety Organization |
| Certified Water Specialist | Water Quality Association |
| Wastewater Lab Analyst Class II | Association of Boards of Certification |
| Wastewater Lab Analyst Class III | Association of Boards of Certification |
| Certified Healthcare Emergency Professional | International Board for Certification of Safety Managers |
| WSO - Certified Governmental Environmental Technician | World Safety Organization |
| Certified Fire Protection Specialist | National Fire Protection Association |
| Managing Construction & Demolition Materials | Solid Waste Association of North America |
| Managing Recycling Systems | Solid Waste Association of North America |
| Manager of Landfill Operations | Solid Waste Association of North America |
| Environmental Professional In-Training | Board for Global EHS Credentialing |
| Certified Environmental Auditor | National Registry of Environmental Professionals |
| Certified in Healthcare Safety - Environmental Services | International Board for Certification of Safety Managers |
| Certified Professional Environmental Auditor | Board for Global EHS Credentialing |
| Environmental Analytical Chemist | National Registry of Certified Chemists |
| Environmental Analytical Technologist | National Registry of Certified Chemists |
| Certified Mold Professional | Restoration Industry Association |
| Certified Water Technologist | Association of Water Technologies |
| Safety Trained Supervisor | Board of Certified Safety Professionals |
| Regulatory Affairs Certification | Regulatory Affairs Professionals Society |
| Wastewater Lab Analyst Class I | Association of Boards of Certification |
| Occupational Hygiene and Safety Technician | Board of Certified Safety Professionals |
| Wastewater Lab Analyst Class IV | Association of Boards of Certification |
| Offshore Corrosion Assessment Technician | The Association for Materials Protection and Performance |
| Certified Instructional Trainer | Board of Certified Safety Professionals |
| Registered Environmental Laboratory Technologist | National Registry of Environmental Professionals |
| Certified Indoor Air Quality Manager | National Registry of Environmental Professionals |
| Registered Environmental Health Specialist/Registered Sanitarian | National Environmental Health Association |
| Certified Safety and Health Manager | Institute of Hazardous Materials Management |
| Radon Measurement Technician | National Radon Safety Board |
| Radon Measurement Specialist | National Radon Safety Board |
| Transfer Station Management | Solid Waste Association of North America |
| Certified Hazardous Materials Manager | Institute of Hazardous Materials Management |
| WSO - Certified Safety Technician | World Safety Organization |
| Registered Environmental Manager | National Registry of Environmental Professionals |
| Registered Environmental Property Assessor | National Registry of Environmental Professionals |
| Certified Healthcare Safety Professional | International Board for Certification of Safety Managers |
