US Alarm & Detection Supply was founded in 2002 and is an independent family owned Wholesale Distributor of fire alarm and fire detection products. Our staff combined, has over 80 years of experience in the fire alarm industry. This experience enables us to help make sure you receive the correct part the first time you order from us. If you do not know the part number you are looking for, we can help walk you through the process to determine which part number you need. Our friendly & helpful customer service attitude will make your decision to contact us an enjoyable and pain free one.