United by Our Purpose
and Shared Values

We’re ready to respond whenever customers need us.

Building the best group in Mechanical services

Values We Share

Customer First

Safety

Quality

Respect

Teamwork

empowers growth photo

Empowering Growth

Supported by our top-tier Group Platform, fostering growth and optimizing Operating Companies through:

Top Technicians. Top Talent. Union Powered.

Our union affiliation provides us access to a wealth of skills, flexible staffing and a stable team of career-focused professionals. As a proud union-powered Group, we prioritize teamwork and employee safety, ensuring access to the most innovative tools to deliver exceptional service and achieve the highest industry standard.

Meet Our Leadership

operating Company Leadership

Tim Kirlin

President, American Combustion Industries

John Geiling

President, JPG Plumbing and Mechanical

Scott Royer

President, ThermaServe Mechanical Systems

Russ Stiles

President, Ambient Temperature Corp.

Robert Calloway, P.E.

President, Global Facility Solutions

Exigent Group Leadership

Peter van Niekerk

Chief Executive Officer, Exigent

Howard Fowler

Chief Financial Officer, Exigent

Kevin Colbert

Chief Operating Officer, Exigent

Jarret Ryan

Chief Commercial Officer, Exigent

Kristin Arnold

VP Human Resources, Exigent

Oscar Araya

Chief Information Officer, Exigent

Tim Kirlin

President, American Combustion Industries

John Geiling

President, JPG Plumbing and Mechanical

Scott Royer

President, ThermaServe Mechanical Systems

Tim Kirlin

President, American Combustion Industries

Peter van Niekerk

Chief Executive Officer, Exigent

Howard Fowler

Chief Financial Officer, Exigent

Jarret Ryan

Chief Commercial Officer, Exigent

Kristin Arnold

VP Human Resources, Exigent

Get in touch with Exigent

Are you a mechanical services or plumbing leader looking for support, investment, and a team of peers to empower your growth? We’re here to help.