Service Area
Sales Engineer
![Don Rogge - RTP Company Don Rogge](https://www.rtpcompany.com/wp-content/uploads/Don-Rogge.jpg)
Don Rogge
Crystal Lake, IL
Phone: (815) 341-3219
E-mail: drogge@rtpcompany.com
Customer Service Representative: Chelsey Brosig
(see contact info below)
Sales Engineer
![Joe Tan - RTP Company Joe Tan](https://www.rtpcompany.com/wp-content/uploads/JoeTan.jpg)
Joe Tan
Naperville, IL
Phone: (630) 596-6229
E-mail: joe.tan@rtpcompany.com
Customer Service Representative: Tara Brown
(see contact info below)
Sales Engineer
![Nancy Griffin - RTP Company Nancy Griffin](https://www.rtpcompany.com/wp-content/uploads/Nancy-Griffin-1.jpg)
Nancy Griffin
Waukesha, WI USA
Phone: (507) 429-8591
Fax: (507) 474-4854
E-mail: ngriffin@rtpcompany.com
Customer Service Representative: Tara Brown
(see contact info below)
Associate Sales Engineer
![Colin Mikulec - RTP Company Colin Mikulec](https://www.rtpcompany.com/wp-content/uploads/Colin-Mikulec.jpg)
Colin Mikulec
Phone: (630) 745-0480
Email: cmikulec@rtpcompany.com
Customer Service Representative: Tara Brown
(see contact info below)
Customer Service
![Tara Brown - RTP Company Tara Brown](https://www.rtpcompany.com/wp-content/uploads/Tara-Brown.jpg)
Tara Brown
Winona, MN
Toll Free: 1-800-432-2389
Phone: (507) 474-5527
Fax: (507) 474-4855
E-mail: tbrown@rtpcompany.com
Customer Service
![Chelsey-Brosig - RTP Company Chelsey Brosig](https://www.rtpcompany.com/wp-content/uploads/Chelsey-Brosig.jpg)
Chelsey Brosig
Winona, MN
Toll-Free: 1-844-703-2640
E-mail: cbrosig@rtpcompany.com
Technical Service
![Mike Lockhart - RTP Company Mike Lockhart](https://www.rtpcompany.com/wp-content/uploads/Mike-Lockhart.jpg)
Mike Lockhart
Phone: (224) 227-0204
E-mail: mlockhart@rtpcompany.com