General Engineering: Galileo Siscam Technology - An Italian company based in Florence offering geophysical surveys for archaeology and civil engineering, monitoring of structure micro-shifts, databases, geographic information systems. Company profile, examples.
FEMA's Historic Preservation Program - Provides timely expert assistance to historic properties that have been in disasters.
Parasmoon - This company in Iran offers preservation and restoration of historic buildings, objects, books and documents. Activities, portfolio, services, facilities.
Donald S. Napoli - Historic preservation consultant offering research and analysis to determine the historical and architectural significance of buildings in California.
Papers And Paints Limited - Patrick Baty is a consultant and lecturer on the use of paint and colour in historical buildings. Offers colour matching and traditional paint colours. Lists his publications and projects.