There was no damage to the building or employees, and operations are continuing normally.

Literal

Company-building [and-や] employees [to-に] damage [topic-は] nonexistent, normal-as-usual business-doing.

A standard damage-report sentence from news or corporate communications. 平常通り (as usual/normally) uses ~通り to mean 'in accordance with.' 被害はなく uses the negative conjunctive form of ない to link two clauses. 社屋 (company building) is a formal compound.