HSI was founded over 69 years ago to provide high quality, nondestructive inspection services to manufacturers producing parts used in mission critical applications in any industry. 

HSI continually strives to develop services tailored to accommodate our customer's unique requirements. No matter what the next wave of technology brings, one standard will never change:  The standard we set for ourselves in providing the highest quality, most effective service to our customers.

From our location in Troy, Michigan we are geographically positioned to provide nondestructive testing, temper etch inspection and passivation services to precision manufacturers in Michigan, Ohio, Indiana, Illinois, and anywhere else in North America.