As a leader in the design and manufacture of metal stacks Air Techniques, Inc. is the choice for new and replacement equipment. See our Websitewww.steelstacks.com Air Techniques, Inc in addition designs and manufactures CEMS and PEMS. See our Websitewww.aticems.com We also do Air Emissions Testing and RATA Certifications. See our Websitewww.stacktesting.com We also represent multiple manufacturers and their process equipment for your combustion, and air movement and air pollution control needs. Let us know how we may be of service to you.