About Us. POLO Engineering, Inc. is a California-based general engineering contractor specializing in. Intelligent Transportation Systems (ITS). and. civil public works projects. We self-perform roadway lighting, traffic control lighting systems, signage, conduit/duct banks, and concrete/cement masonry scopes. As a certified DBE, SBE, and MBE contractor, we are building a strong, dynamic team that values safety, quality, and innovation in public ...