AYER Quality Engineering LLC

AYER Quality Engineering LLC (AYER) is an environmental consulting services company based out of Cincinnati, Ohio.

AYER serves clients in the Greater Cincinnati area and beyond. The firm has a wealth of multi-media compliance experience, including extensive experience in the Clean Air Act.

It is our mission to:

  • Help clients meet their business objectives and environmental responsibilities;
  • Maintain a reputation of superior engineering and regulatory support;
  • Provide measurable benefits to our clients in skills, technology, and efficiency; and
  • Build on a foundation of integrity in all that we do.

How It Started

AYER Quality Engineering LLC is named after Howard Ayer, CIH. As an engineer, Howard was a pioneer in our nation’s leadership in the development of standards to protect our health and welfare.

Years in Business

Clients Served

States with Experience


  • Preparing air emission calculations, including facility-wide emission inventories;
  • Reviewing complex engineering calculations prepared by clients and simplifying them to present to the
  • Assembling permit applications;
  • and more.

Learn about the rest below.

AYER Advantage

AYER’s clients can expect the following benefits: