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About Us About Us

More than a Process Automation Company

Cornerstone Controls has more than 80 years of experience serving a broad range of industry applications with professional services and best-in-class products. Key to our success is our authorized partnership with Emerson Automation Solutions. Our challenge is to engineer the right process management solutions for our customers. We meet this challenge every day through creativity, reliability, teamwork and a dedication to customer satisfaction.

Our Mission

We provide unmatched value by impacting customer business results through automation and reliability solutions.

Partnership with Emerson

Partnership with Emerson

As an Emerson Impact Partner, we are a local, single point of contact for sales, service and applied engineering for Emerson’s Automation Solutions business. The results of our long-standing, strategic partnership is our unique expertise to consistently apply the full breadth of Emerson technologies. As a member of the Emerson Impact Partner Network, we combine these local capabilities with Emerson’s global reach and scale, enabling customers to achieve Top-Quartile performance by providing control, reliability, safety and optimization solutions.

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Core Values

Customers for Life

Our goal is to positively impact our customer’s business. We do this by delivering exceptional results that strengthen our relationship.

We Are All Partners

We believe in a culture of respect for our customers, associates and partners. We are passionate about driving win-win outcomes.

Proactive Change and Innovation

We strive to create a culture of improvement such that we are better, stronger and more effective tomorrow than today.

Do What's Right and Honest

We will operate with the highest integrity and ethics.

Safety and Quality

We embrace processes that ensure we deliver safe, consistent and high quality results for our customers.

Positive Energy

We approach challenges with a problem solving spirit centered on driving improved outcomes.

Cornerstone Controls Inc. has served the needs of industrial process customers for more than 80 years.

  • In 1991, Cincinnati, Ohio based Reams Controls, and Indianapolis, Indiana based Acme Controls, merged operations and formed Cornerstone Controls Inc. Both organizations had been representatives of Fisher Controls since the 1920's.
  • In 1992, Emerson acquired Fisher Controls. Emerson subsequently signed Cornerstone Controls to be its local business partner serving customers in Indiana and Southern Ohio.
  • In 1997, Cornerstone acquired Prologix, an independent process automation and engineering services company serving customers from a base in Indianapolis.
  • In 1998, Cornerstone acquired Donovan Controls, an Emerson local business partner serving Kentucky customers from its office in Louisville.
  • In 2005, Cornerstone acquired Michigan I&C, an Emerson local business partner serving Michigan customers from its office in Plymouth, Michigan.
  • In 2015 Cornerstone became a 100% employee owned company.
  • In 2018, Cornerstone acquired Dayton Precision Services, a full-service valve repair facility including Safety Valve repair (VR), line valve repair, control valve repair, field machining services and field heat treating services.

Though we have grown over the years, we still serve our customers as a local company from four office locations in Cincinnati, Dayton, Indianapolis, and Plymouth.


Start Your Career With Us!

Start Your Career With Us!

Serving Southern Ohio, Indiana, Michigan, and Northern Kentucky Cornerstone Controls is a well established leader in the process controls and industrial automation industry. We are often looking for top talent in the areas of Engineering, Sales, and Sales Support, to add to our team. Search open career opportunities and apply online or submit your resume.

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