HFDH, LLC Contractors and Modular Hybrid Consulting is an on-site construction service provider specializing in the construction of commercial modular buildings, Home Improvement and Commercial Glass and Glazing in Pennsylvania Markets Modular Site Organization We have the Modular Building Construction Knowledge Offering Modular Turnkey Operation Complete understanding of the modular design and processes We oversee the Overall Construction Management We specialize in Modular Construction, Multi Family Building, Commercial Construction, Hybrid Offsite Construction, Residential Construction, and Hotel Construction. Builders of modular homes, commercial buildings, and multi-family home construction. Complete site excavation and site management services available.