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Thompson Environmental
Consulting, Inc.
For more information on TEC's merger with Trinity Consultants, follow this link

Environmental Compliance Consulting and Assistance

get the most out of the permitting process

Thompson Environmental Consulting, Inc. is your resource and advocate when dealing with environmental regulations. With nearly 100 years of combined experience in the environmental engineering industry, we use our knowledge to guide you through the process of obtaining and maintaining compliance with environmental regulations. We specialize in Air, Land, and Water quality consulting throughout the Midwest. We to help our clients comply with State and Federal standards and get the most out of the permitting process.

Industry Advocates for Your Business

helping your projects stay within compliance

When you’re planning to build a new facility or modifying an existing one, we will help you with all of the permitting and compliance work before and after construction. Thompson Environmental Consulting, Inc., is your advocate in the regulated community. Our experts work with you every step of the way to help you understand the process and ultimately get the permits you need. Permit applications can be confusing and technical; with our expertise, we will work with you to make sure your project complies with state and federal requirements.

Environmental Permitting Services

solutions for environmental regulatory issues

Our consulting services are meant to help you from the beginning through the end of your project.


  • Initial and Annual Site/Facility Inspection
  • Air Permit Application Preparation and Review
  • Stack Testing
  • Leak Detection and Repair (LDAR)
  • Spill prevention planning (SPCC)
  • NPDES Applications and Antidegradation Alternatives Analysis
  • Construction and Industrial Stormwater Permitting
  • Compliance Reporting
  • Liaison Services With Regulatory Agencies
  • Prevention Planning

Learn more about our advisory and advocacy services in air, water, and land quality. We offer solutions to your environmental regulatory issues. We at TEC want you to feel like you know what you’re getting from our services and the compliance process. See our links for more information about the industry and affiliated resources.