The people of Industrial Scientific, including Oldham, have dedicated their careers to ending death on the job in this century. Oldham’s mission is to be the best provider of fixed-point gas detection systems, world-wide. We strive to provide the highest quality and best customer service – every customer, every transaction, every time! We are the fixed gas detection experts, with over 100 years in business. We offer the best range of products, the most reliable equipment, expert applications advice, and unbeatable customer service.