PROMSERV was established in 1982 in Malaysia to provide independent services in site tests, commissioning, maintenance audit, fault diagnosis and system rectification of electrical installations and power plants. Based on a wide range of field experience gained over the years since its inception, PROMSERV has improved on and extended its specialization beyond the primary ambit of services into a new frontier of non-intrusive Predictive Maintenance for electrical protection system using its patented "live and loaded" maintenance audit technology.