Brian Driehorst Appointed as Chief Revenue Officer at Johnson-Melloh Mechanical
Johnson-Melloh Mechanical names Brian Driehorst Chief Revenue Officer, bringing in an executive with more than two decades of experience and senior leadership roles at Headlights.com and Plasnomic.

The Move
- New role
- Chief Revenue Officer
- Company
- Johnson-Melloh Mechanical
- Previously
- Vice President, CAS Automotive
- Announced
- October 21, 2026
By the Numbers: Johnson-Melloh Mechanical
- Years of experience
- 21
- Employees
- 68
- 12-month headcount growth
- 6.3%
- Founded
- 1976
Data: Crustdata, as of October 21, 2026
Johnson-Melloh Mechanical has appointed Brian Driehorst as Chief Revenue Officer, adding an experienced commercial leader to the Indianapolis contractor. Driehorst arrives with top-level experience as Chief Executive Officer of Plasnomic and as Chief Revenue Officer of Headlights.com.
Career Highlights
Driehorst's career began in 2005, according to Crustdata people data. They join from CAS Automotive, where they most recently served as Vice President. Before that, Driehorst led Plasnomic as Chief Executive Officer, a role that began in 2025.
A defining chapter came at Headlights.com, which Driehorst first joined in 2017 to lead business development. After holding the same role at All Star Auto Parts, they returned and climbed steadily, advancing to Senior Vice President in 2022 and to Chief Revenue Officer in 2024, the title they now bring to Johnson-Melloh Mechanical. Their experience also includes time at AIG. Driehorst holds a Bachelor of Science from Indiana University Bloomington, where their studies covered Spanish alongside an Honors Certificate in Business Management.
Why It Matters For Johnson-Melloh Mechanical
Founded in 1976 and headquartered in Indianapolis, Johnson-Melloh Mechanical is a full-service mechanical contracting partner for customers across Indiana. The company specializes in piping, refrigeration and chillers, delivering retrofit, new construction, design/build and design/assist work for high-performance systems, alongside service and maintenance agreements and energy-savings solutions.
Crustdata company data shows the privately held firm employs 68 people, up 6.3% over the past 12 months. Operations accounts for 31 of those employees, a team that grew 10.7% in a year. Most of the workforce, 66 people, is based in Greater Indianapolis, including teams in Greenwood and Plainfield.
What's Next
As Chief Revenue Officer, Driehorst will lead revenue efforts across the company's contracting, service and energy-savings work. The appointment, announced on October 21, 2026, takes effect in October 2026. Driehorst is based in Zionsville, Indiana.
Hiro News tracks leadership moves across go-to-market teams every day. People, company and job data in this story comes from Crustdata.
Questions and Answers
Who is the new Chief Revenue Officer at Johnson-Melloh Mechanical?
Brian Driehorst joined Johnson-Melloh Mechanical as Chief Revenue Officer in October 2026. Driehorst most recently served as Vice President at CAS Automotive.
What is Brian Driehorst's background?
Driehorst brings more than two decades of experience, including senior roles as Chief Executive Officer of Plasnomic and Chief Revenue Officer of Headlights.com, where they advanced from leading business development to Senior Vice President and then to the top revenue role.
What does Johnson-Melloh Mechanical do?
Johnson-Melloh Mechanical is an Indianapolis-based mechanical contractor founded in 1976, specializing in piping, refrigeration and chillers. It offers retrofit, new construction, design/build and design/assist work, along with service and maintenance agreements and energy-savings solutions.
· people and company records, retrieved October 21, 2026. Source: Crustdata.