McClelland Consulting Engineers, Inc. | 2,136 followers on LinkedIn. Civil Engineering, Surveying, Geotech, Landscape Architecture/Land Development, Water/Wastewater, Aviation, Structural | McClelland Consulting Engineers, Inc. is a consulting engineering firm made up of civil engineers and landscape architects. We are focused on providing exceptional client service while improving the communities where we serve, live, and work. Founded in 1963 by James E.