Welcome to our website. Please review our sales capabilities and Product Offerings and call or e-mail us for more information about how we can best serve your needs.

Our service is the only thing that exceeds the quality of the Products we represent. 


Specialists in:
pH, ORP, Conductivity
Control Valves
Sanitary Applications

Why Choose Us? 

1. Customers come first.

2. We understand how to apply our products to your application.

3. Your satisfaction is  guaranteed.

Field Instruments & Controls, Inc.
Washington                          Idaho                          Oregon                          Montana
Endress + Hauser Inc.
IFM Efector, Inc.
AT Controls, Inc.

Sierra Instruments, Inc.
9629 N. Colfax Rd
Spokane, WA 99218
Phone: (509)466-8226
Fax: (509)466-8227
1918 Belmont Loop, Suite B
Woodland, WA 98674
Phone: (360) 896-9910
Fax: (360) 896-9905
PO Box 47
Gig Harbor, WA 98335
Phone: (253) 303-0186
Mobile: (253) 432-1966