About Us

The Signal Source is the leading supplier of Class 1 Div 1 explosive-proof and Class 2 Div 1&2 hazardous location fire alarm notification appliances & initiating devices. 

The Signal Source supplies hazardous location signals & detection products to industries across North America. 

• Fire & Life Safety: Our Specialty
• Offshore oil and gas production
• Commercial and industrial manufacturing
• THC Oil Production
• Offshore oil and gas production platforms
• Commercial and industrial manufacturing                              

The Signal Source, located in Cypress, TX, has supported the Life Safety industry with the highest quality product and service for more than 30 years. We endeavor to meet all the unique and essential notification requirements of your projects. Our team of customer-focused professionals continues to provide the most efficient and comprehensive solutions that are in compliance with all applicable codes to the most difficult hazardous life safety projects.

The Signal Source has the knowledge, has years of experience, and has high-quality in-stock products that the life safety industry requires.

Our slogan, 

“Industry’s Source for Signaling Solutions," 

says it all!