Thermo Fisher Scientific Inc. of Waltham, Mass., has completed its previously announced acquisition of Lomb Scientific, a laboratory chemicals, consumables and instruments provider in Australia and New Zealand. It will be integrated into both of Thermo Fisher’s business segments: Analytical Technologies and Laboratory Products and Services. Thermo Fisher’s mission is to enable its customers to make the world healthier, cleaner and safer, most notably through pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies.