L.M. Olson, Inc. is a licensed and bonded general engineering contractor for the city of Los Angeles, operating since 1987. Services L.M. Olson, Inc. provide include sewer contracting, underground utilities, operated equipment rentals, and other general engineering needs. With over 30 years of experience, L.M. Olson, Inc. is a Class A licensed general engineering contractor with expertise in working on the public right of way for clients such as LADWP and other public works. Hours of Operation: Monday to Friday: 09:00 AM to 05:00... read full review »