800-748-6285 | sales@testco-inc.com

About Us

Located in the heart of Silicon Valley, we have been serving technology companies worldwide for over 40 years. Testco's success comes from a sharp focus on customer satisfaction using a limited-line card. This allows us to offer superior technical expertise with broad product knowledge.

We focus on electromechanical, circuit protection, and sensor components. From personal delivery in Silicon Valley to daily shipments to Asia and Europe, we offer creative supply chain solutions to meet your requirements. With flexible blanket orders, bonded inventory, consolidated shipments, and annual pricing programs, we can solve your most difficult supply challenges. 

Excellence in Component Distribution

High- Touch Customer Service

Technical Expertise

Market Driven Inventory

Creative Supply Chain Solutions

Flexible Stocking Programs

Focused Line Card

Core Values


Integrity in all we do.


Pride in execution.  Personal satisfaction in doing excellent work.


Personalized, focused, and detailed customer service.  A solution exists for every customer.


Collaborative relationships; externally with our customers & vendors, internally as we serve them.


Develop long-term relationships with our customers, vendors, and one another.


Constantly explore new opportunities for growth and improvement.