TEI is a family business located in the Village of Cleves, Ohio. TEI employs skilled personnel who average over 20 years of experience each in the design, manufacture, and support of air pollution monitoring equipment. Our modern well-equipped factory, quality philosophy, and experience have made TEI the supplier of choice for air pollution monitoring equipment. Now working on the fourth generation, TEI has state-of-the-art manufacturing capability and is looking into the future needs of today’s environmental professionals.

Who We Are

Our Company Mission

To continue our role as the global leader in ambient air instrumentation by providing reliable, high quality products while maintaining our focus on exceptional customer service.

Why Tisch Environmental?

With over 50 years of industry experience, a global distributor network, and a dedicated staff, Tisch Environmental is positioned to provide our customers with industry leading support and reliable instrumentation.

Company Beliefs and Values

Tisch Environmental is dedicated to those who use our products. In meeting their needs, we must produce quality products. Our objective is to serve our customers as they want to be served, providing quality instruments and services at reasonable prices. We must anticipate the technological advances in the market, continuously improving and developing our product line. Quality must be an integral part of our process creating long-term relationships with our suppliers and customers.

Our employees are respected as individuals and are compensated in a fair and adequate manner. We recognize their merit and respect their dignity. Development and advancement for those qualified will create an atmosphere where suggestions and complaints are possibilities for growth and unity. We must provide competent management, and their actions must be just and ethical.

Mixed Cellulose Ester Membrane, white, plain