Hill Engineering, LLC is an engineering services organization specializing in aerospace materials and aircraft structures, with expertise in the measurement and effects of residual stress (RS) for industrial and aerospace projects. SBIR involved conicident with formation of the firm in 2005 and still prgram active, Hill Engineering develops solutions for engineered residual stress, an emerging capability offering enhanced mechanical performance for a wide array of metallic structures and components. Hill Engineering solves complex structural problems inherent to fatigue and fracture critical systems with a special focus on residual stress engineering solutions that include unique residual stress measurement capabilities and damage tolerant design approaches. The firm's skills are useful in industries such as aircraft, power generation, ground vehicles, turbo-machinery, and petrochemicals.