RYAN HOMES - MARYLAND attests that CEC has "high standards of professional practice". Ryan Homes maintains that "CEC's retaining wall design procedures have had tremendous success". Ryan Homes further comments that the retaining wall designs created by CEC are "simple to implement and follow thereby adding to their value". Overall, Ryan Homes is "pleased with the quality of CEC's work, commitment and fast turnover time". RYAN HOMES HAS BEEN A LOYAL CUSTOMER OF CEC SINCE 1988.

THE SINGLETARY BUILDERS - VIRGINIA commends CEC on the "excellent job" CEC did in solving their project's problems "quickly as well as economically".THE SINGLETARY BUILDERS, INC. HAS BEEN A LOYAL CUSTOMER OF CEC SINCE 1992.

TRAFALGAR HOUSE - VIRGINIA raves that the designs that CEC develops are "the perfect economical answers" and adds further that "CEC's expert knowledge of soil-structure interaction helped on numerous occasions to solve problems in record time and generate sturdy lumber and concrete retaining walls". TRAFALGER HAS BEEN A LOYAL CUSTOMER OF CEC FOR ALMOST A DECADE.