About Us

Grote Enterprises, a privately held company, provides executive management and support services to our team of Operating Companies — Thomas J. Dyer, CINFAB and Commercial HVAC.  

Each of our departments — Design/Build, Engineering, Pre-Construction, Safety, Accounting, Business Development and Human Resources — always provides the appropriate support and expertise to ensure our customers’ complete satisfaction.

By cultivating true partnerships with our customers, Grote Enterprises provides the best possible construction support services. That ultimately leads to successful projects that are safe, on time and on budget.


To be your employer and partner of choice across generations


To build exceptional environments for our clients, employees, and communities


We design and build industry-leading solutions that enable our clients to realize their vision and provide our employees with best-in-class opportunities to grow

Our Core Values

We ground ourselves in five core values and beliefs. Our core values drive our commitment to customers and our business decisions.

Put people first

Put people first

We treat others as they want to be treated: with respect, integrity, and honesty. We never compromise on the safety, health, and well-being of others. Our employees are foundational to our success, which is why we invest in our people and communities.

Act with integrity

Act with integrity

We recognize that successful projects and relationships are built on transparency, character, and pride. Our founder’s legacy and reputation are everything, which is why we will not rest until our promises are fulfilled. Our decisions and actions are guided by an unwavering moral code and our faith in God.

Lead by example

Lead by example

We honor our commitments and take ownership of the outcomes. We recognize that we are accountable to our clients, our shareholders, and each other – and we act accordingly. We deliver solutions, not excuses. We do the right thing, first and always.

challenge ordinary

challenge ordinary

We set the standard by exploring new processes and emerging technologies to solve our clients’ challenges. We are forward-thinking, and we challenge the status quo when there’s a better way to do things. We champion continuous improvement for ourselves and our industry.


Build Lifelong Partnerships

Build Lifelong Partnerships

We are in this for the long term, and we strive to build relationships that last with our clients and people. We treat every engagement as an opportunity to earn trust with win-win solutions and outstanding results. We listen to understand and embrace blameless problem-solving.

Our Grote Enterprises Leadership Team


Tom Grote, Jr.



Greg Purdon



Tim Grote

Vice President


Doug Agricola

Sr. Vice President


Dan Daly

Vice President
Pre-Construction & Engineering


Jeff Schmitt



John Patton

Safety Director

Jason Nahrgang Official Photo Oct 2022

Jason Nahrgang

Director, Human Relations