Limestone Technologies’ corporate office is located in Kingston, Ontario, Canada. Our staff is comprised of software engineers, electrical engineers and knowledgeable sales and service representatives. We believe in building lasting customer relationships and we achieve this by providing professional services that are complimented with outstanding after-sales support. Our company has earned our reputation as #1 in customer satisfaction. For over a decade Limestone Technologies has steadfastly remained committed as a partner in community safety. We offer a range of products used in credibility assessment and sex offender management. Limestone Technologies' is best known for our acclaimed credibility assessment utility, Polygraph Professional Suite. Since it's introduction in 2003 Limestone's Polygraph Professional Suite is internationally recognized as the best-of-breed polygraph solution. Additionally, Limestone is recognized for our medically approved sex offender management utilities. These include our phallometric assessment software and instrumentation, PrefTest Professional Suite, our certified chaperone training, and our latest visual screening utility, VSP, Visual Sexual Preference assessment.