Welcome to T.B. Gray, Inc., a professional, friendly and reliable Architectural & Engineering Services in Kalispell dedicated to providing high quality Architectural & Engineering Services for commercial and domestic clients throughout Montana. The T.B. Gray, Inc. offers professional workmanship, competitive prices and high quality service delivered on time and within budget. T.B. Gray, Inc., which is located at Kalispell,Montana, was set-up in 1990.