+1 (224) 242-5662 contact@sigmadelta.com.br ⚲ 643 Dundee Ave, Milpitas, CA 95035, USA Mon–Fri, 8:00–18:00 PT

Contact Sigma Delta Engineering

Call, email or send the form. Every enquiry receives a written reply from an engineer within one business day.

Send a project enquiry

Tell us about the line

The more detail you can share — machine make, fault frequency, what has already been tried — the more useful our first reply will be. Drawings and fault logs are welcome by email.

This form opens your email client with the details pre-filled, so nothing is stored on this website. Prefer to write directly? Email contact@sigmadelta.com.br.

Office & mailing address

Sigma Delta Engineering LLC
643 Dundee Ave
Milpitas, CA 95035
United States

Direct contact

Telephone: +1 (224) 242-5662
Email: contact@sigmadelta.com.br
Owner: Mellina La Rocca

Hours

Monday to Friday, 8:00–18:00 Pacific Time.
Commissioning and start-up windows are scheduled outside these hours by arrangement.

Response commitment

Every enquiry receives a written response from an engineer within one business day. Visits are by appointment — please call before coming to the office.

Milpitas sits at the north-east corner of Silicon Valley, minutes from I-880 and I-680 — roughly 20 minutes from San Jose and 25 from Fremont.

Before you call

Three things that make the first call faster

A number

Stops per shift, minutes lost, or scrap percentage. Even a rough figure changes the conversation.

The make and model

PLC platform, machine builder and approximate year of installation tell us most of what we need.

What has been tried

Knowing which parts were already replaced saves you money and saves us guessing.