HSG Constructors provides infrastructure services with a focus on a unique set of skills to engineer and safely execute multi ... -craft industrial services, including access, insulation, industrial coatings, fire-proofing, non-ceramic refractory, and concrete construction, including buildings, water and sewage treatment plants and bridges. Headquartered in Houston, TX, HSG operates on a national basis as a contractor offering services to both the commercial and industrial markets. read more