Mechanical Technician. About Sewell. Sewell Automotive Companies is a family-owned business founded in 1911. Our mission is to provide the best vehicle sales and service experience for our customers. We do this in a way that fosters the continuous improvement of our people and our company. We are a top-performing, thoroughly professional, and genuinely caring organization in all that we do. We have 19 dealerships and 8 collision centers located i...