Redline Detection is the proud manufacturer of the world’s best-selling diagnostic leak detection technology and the recognized industry leader. Redline machines are engineered, built, & supported in the USA. Redline’s professional-grade products are OEM mandated essential in 160 countries. RedlineDetection’s success is built upon quality product design and business practices, upon continuous innovation; and on agility, resulting in on-budget and on-time performance, consistently exceeding customer expectations.