When Western Fireproofing opened in the 1930s, its name indicated exactly what the business offered, using plaster and gypsum blocks to make buildings safer. After World War II, the company got out of the fireproofing business and expanded into other subcontracting services, such as building roof decks and floor underlayments and installing glue-laminated timbers and folding wall partitions. Despite its evolution, its name remained the same until recently. “It didn’t…