NOTIFIER - Leaders in Life. Safety. Technology For over 50 years, NOTIFIER has been in a leadership position in the fire alarm industry. Today, we are the largest manufacturer of engineered fire alarm systems with over 40......NOTIFIER - Leaders in Life. Safety. Technology For over 50 years, NOTIFIER has been in a leadership position in the fire alarm industry. Today, we are the largest manufacturer of engineered fire alarm systems with over 400 distributors worldwide, and regional support operations on every continent helping to ensure we provide the flexibility and options your business needs. Our commitment to products and partnerships is what propels NOTIFIER to stand proudly above the rest. Learn more > Honeywell International Honeywell International is a $36 billion diversified technology and manufacturing leader, serving customers worldwide with aerospace products and services control technologies for buildings, homes and industry automotive products turbochargers and specialty materials. Based in Morris Township, N.J., Honeywell’s shares are traded on the New York, London and Chicago Stock Exchanges. For additional information, please visit www.honeywell.com. Learn more > NOTIFIER Engineered Systems Company (NESCO) Installing, servicing, and maintaining fire systems pose unique challenges. So it stands to reason that meeting those challenges requires a high-quality installer or contractor.