Contact Us: Factory Contacts

For general sales and application assistance:

Mailing Address
KOSO AMERICA
4 Manley Street
West Bridgewater, MA 02379

Inside Sales Contacts
Rich Massemino - Control Valve Sales
KOSO HAMMEL DAHL
Phone: 508-436-7156
Fax: 1 (508) 584-4411
rmassemino@rexa.com

Betsy Hutchinson - Customer Service &
Spare Parts
KOSO HAMMEL DAHL
Phone: 508-436-7154
Fax: 1 (508) 584-4411
bhutchinson@rexa.com

If you have a concern or complaint about our products or service, we want to know.

Please contact Betsy Hutchinson, Customer Service and Support.

We will investigate the issue and promptly get back to you with a response.