Email: Telephone: USA +650-802-8292

Hall Magnetic Sensors
Magnetic Field
Electric Current
Angle & Position

Measurement Instruments
Electric Current
Magnetic Field
Magnetic Field Mapper
Magnetic Susceptibility

Fiber- Optic Links

Permanent Magnets

Electromagnets & Coils

Current Leads, HTS

Electromagnet Power Supplies

Particle Beam Diagnostics

Particle Beam Transport & Accelerators

• Special Sale Offers
• Discontinued Products



Conference Schedule
News Items
About GMW
Contact Information
Employment at GMW
Contact Information 
GMW Associates
955 Industrial Road
San Carlos, California 94070, USA

Main Phone: +1 (650) 802-8292
Fax: +1 (650) 802-8298

Who to talk to
How to Place an Order
How to obtain an RMA
Our Addresses and phone numbers
Our location
Recommended Hotel

Who to contact
Sales and Customer Support

Sales and Customer Support
Tel (direct): +1 (650) 200-4734

Sales Assistant
Sales and Order/RMA Status
Tel (direct): +1 (650) 200-4735
Engineering and Technical Support

Senior Applications Engineer
Technical Support for Sensors, Instruments, Magnetic Mappers and
Magneto-Optic Sensors
Tel (direct): +1 (650) 240-1134

Engineering Manager, Magnetic Sensors
Engineering and Technical Support for Magnetic Sensors
Tel (direct): +1 (650) 200-4738
Fax: +1 (509) 325-3106

Senior Applications Engineer
Technical Support for Electromagnet Systems, Group3 Control, LabVIEW application software and Magnet Power Supplies
Tel (direct): +1 (650) 282-2344

Lead Magnet Scientist
Technical Support for Electromagnets and Systems
Tel (direct): +1 (650) 282-2339

Calibration Lab Manager
Calibration and repair of magnetic field measuring products and current transducers
Tel (direct): +1 (650) 200-4740
Operations and Accounting

Senior Vice President, Operations
Tel (direct): +1 (650) 200-4737

Manager of Accounting and Finance
Tel (direct): +1 (650) 282-2338

Staff Accountant
Accounts Payable & Accounts Receivable
Tel (direct): +1 (650) 282-2337
Regulatory and Quality Control

Quality Manager
Tel (direct): +1 (650) 282-2334

Vice President, Marketing
Website, Conferences & Exhibitions, Print Promotion and Online Advertising
Tel (direct): +1 (650) 200-4736  

How to Place an Order
GMW does not yet offer online ordering. To request a quotation or place an order please email GMW Sales at or call (650) 802-8292.

How to obtain an RMA (Return Material Authorization)
Many faults can be diagnosed and corrected over the phone. If you have not tried this, please contact the most appropriate person on the list above for assistance.

If the fault can not be corrected with the help of telephone support, please email for an RMA number. We will setup an RMA and provide instructions on shipping, as well as in some cases be able to give an estimate of repairs before you return the product.

Our address, phone and fax numbers
Our shipping address for all letters, parcels, and equipment is:
GMW Associates
951-D Industrial Road
San Carlos, CA 94070

Phone and fax numbers:
Tel: (650) 802-8292
Fax: (650) 802-8298

Our location
From SFO:
Take 101 south from SFO and exit on Holly street. Turn left onto Industrial road. GMW will be on the left side after about ¾ths of a mile.

From SJC:
Take 101 north from SJC and exit on Whipple avenue. Turn right onto Industrial road. GMW will be on the right side about 1 ½ miles up.

Click here for directions to GMW Associates from Google Maps.

Recommended hotels:

Residence Inn by Marriott, San Carlos. Coming early 2018.
~0.5 miles from GMW

LIA Hotel, Downtown San Carlos. Rate Code: GMW, fixed rate $160/night.
~0.5 miles from GMW

Country Inn & Suites by Carlson, San Carlos.
~1.25 miles from GMW

Redwood Creek Inn, Downtown Redwood City
~2.25 miles from GMW

  Tel: + 650-802-8292    Fax: + 650-802-8298
955 Industrial Road, San Carlos, CA 94070, USA