Established in 1910, Northrop Grumman Sperry Marine offers a wide range of information- and technology-based services. It provides innovative systems, products and solutions to the electronics and aerospace industry. It also offers its services to government and commercial customers worldwide. The company provides a variety of products, such as autopilot and steering control systems. It also offers navigation sensors and ship stabilizers. Additionally, the company sells velocity logs, total steering and ship defense systems. It also provides management services for ship owners and vessel management companies. Additionally, the company offers design services for engineering projects. Northrop Grumman Sperry Marine is located in Charlottesville, Va.
Froehling & Robertson, also known as F&R, offers a range of environmental and geotechnical engineering services. Established in 1881, it conducts site feasibility, instrumentation and studies, as well as provides failure analysis and condition surveying solutions. The firm offers material testing and construction management services. Froehling & Robertson operates more than 10 offices throughout the Mid-Atlantic states and eastern Europe. It maintains a fleet of drilling equipment. The company operates several geotechnical and construction material testing laboratories. Froehling & Robertson serves the educational, aviation, hospitality, industrial, medical, power generation, military, residential and transportation sectors. It has completed various projects for Pulte Home Corporation and Prettyboy Elementary School.
