Diffco provides Industrial Construction Services. Diffco is a privately held, full-service contracting firm that focuses on r ... ail road, manufacturing and industrial projects. The management team has years of experience in all aspects of construction including ground-up, renovation and tenant build-out projects. Diffco can provide professional engineered plans to design-build or design-assist your next project. Diffco is fully insured Contractor. References will be provided on request. DIFFCO O:713.489.5297 F: 281.764.8662 matt@diffcollc.com read more