// ABOUT US //

At Siren, we specialize in professional upfits for emergency vehicles, including ambulances, fire trucks, police squads, and rescue units. As a CAAS-certified remount facility and proud member of the NTEA (National Truck Equipment Association), we hold ourselves to the highest standards in safety, quality, and performance.

Our mission is to deliver purpose-built solutions that enhance operational efficiency in the most critical moments. From seamless interiors and secure storage to advanced lighting, electrical, and communication systems, every detail is engineered for real-world service. With a deep respect for the crews we serve, we don’t just build, we rebuild vehicles to be tougher, smarter, and fully mission-ready.

Connect With Us

Meet The Force Behind Our Builds

Paul Corken

Paul Corken

Siren Manager
309-781-1920
paul.corken@sirenupfit.com
Tyler Janssen

Tyler Janssen

Director of Fleet Sales
319-387-4955
tyler.janssen@sirenupfit.com

Ford Senior Master Technician

Dan Bieber

Dan Bieber

Lead Ambulance Technician
319-241-0369
dan.bieber@sirenupfit.com

Stryker Certified

eCertified for Ambulance Upfit and Repair

Tim Swanson

Tim Swanson

Lead Ambulance Technician
3198998170
tim.swanson@sirenupfit.com
Luke Owens

Luke Owens

Fleet Upfit Manager
319-540-1871
luke.owens@sirenupfit.com
Chris Hicks

Chris Hicks

Lead Upfit Technician
319-270-2648
chris.hicks@sirenupfit.com