Engineering Concepts Inc

AECOM is a leading global infrastructure consulting firm committed to delivering innovative solutions that create opportunities for everyone. With a focus on technical excellence and sustainability, the company partners with clients across various markets including energy, transportation, and healthcare to transform communities and enhance the world's natural and social systems. Driven by a common purpose, AECOM harnesses digital innovation and expert knowledge to tackle modern infrastructure challenges. Their projects, such as the LA28 Olympic Games infrastructure and the design of Boston Logan International Airport Terminal E, showcase their commitment to sustainable legacies and transformative outcomes. Generated from the website

Mattern & Craig offers civil and sanitary engineering services to public, corporate and governmental agencies. It was founded in 1978 by J. Wayne Craig and E. K. Mattern. The firm s services include drainage improvement, culvert replacement, floodwall design, computer modeling, permitting and design of flood damage repairs. Its general water and wastewater management services include preliminary engineering, construction administration, well development design, flow monitoring, smoke testing and the preparation of operation and maintenance manuals. Mattern & Craig also provides deck investigation, cost estimation, bidding assistance, construction monitoring, specification preparation, load rating, bridge widening and repair, and deck and superstructure replacement services. Its clients include the Scott County Public Service Authority, Virginia Department of Transportation, University of North Carolina at Asheville, Tennessee Department of Transportation and Bristol Virginia Utilities. Mattern & Craig maintains an office in Roanoke, Va.

PHASED ARRAY CONSULTING SERVICES Besides providing hardware and software solutions, AVEC now also offers phased array consulting services. These services include testing, data processing, analysis and reporting of results. AVEC's expertise include extensive wind tunnel testing in hard-walled and semi-anechoic facilities. WELCOME to AVEC, INC AVEC, Inc is a minority-owned spin-off company from Virginia Tech dedicated principally to provide expert technical assistance to the industry in the field of analysis and control of noise and vibration of mechanical systems. The company was founded by Dr. Ricardo A. Burdisso in February 2002 as a spin-off from his research work as a Professor of Mechanical Engineering at Virginia Polytechnic Institute and State University (Virginia Tech). AVEC has provided services to governmental agencies and companies such as NASA LaRC, JAXA (Japan), National Institute for Occupational Safety and Health (Mining Branch, PA), AAI Corporation (MD), Techsburg (VA), US Air Force (AEDC), Honeywell (AR), CENER (Spain), Michelin (SC), Ford Company (OH) among others. AVEC capabilities include: noise and vibration analysis, prediction, and measurements; phased array design and measurements; structural analysis (FEM and BEM); unsteady aerodynamics (vortex lattice methods) and aeroelasticity; machinery fault diagnostics, development of technical programs with GUI and graphical capabilities.