ET Design-Build / ET Environmental is a professional services company that specializes in managing design and construction pr ... ojects for the energy, environmental, and industrial industries. With a nationwide Compressed Natural Gas (CNG) fueling infrastructure and maintenance facility program already in progress, ET is a leading expert in this field. We completed our first CNG project in 2004. Since then, we have completed energy-related assignments ranging from facility evaluations and economic feasibility studies to multi-million dollar new construction installations. Our team has successfully navigated the complex codes and regulations of CNG conversion on a local and national scale. We are equipped and ready to partner with you to work through the specific details of your CNG program needs. read more