Providing geotechnical engineering, environmental, construction observation and materials testing services. Located in Columbus, Cleveland, Cincinnati and Dayton Ohio.

Offers geotechnical and civil engineering services including soil tests, slope stability evaluations, construction testing and foundation investigations in Los Angeles.

Specializing in retail stores, golf courses, shopping centers, restaurants, movie theaters and offices. Portfolio and background, with locations in North Carolina and California. Michael S. Johnstone AIA provides forensic consulting services throughout the USA and Canada from his office in the mountains of Western North Carolina. There is often a need for an objective professional opinion when an accident has occurred or there is a dispute in a construction project. Bringing 30 years of design and construction management experience to the table, Michael can clarify issues and resolve conflicts.

Chartered consulting engineers. Services include geotechnical, landfill, civil and structural engineering, together with drainage design, highway/traffic assessment analysis, project management and works supervision.