Valves & Instruments® is an online division of the Smith Instrument. Smith Instrument, with locations in Metropolitan Detroit ... , Midland and Grand Rapids, Michigan, is a leading representative of industrial control and automation products. Please give us the opportunity to serve you! Our service is guaranteed. If we make a promise and miss our ship date – the freight’s on us. We’re here to make your job of buying quality instruments easy and hassle free! Most of all, we are ready to help you - now! Our technical staff is ready to serve you. Call us at 877-476-4896. read more