Building Envelope Specialists Inc. is a full service consulting company specializing in the investigation, evaluation, and repair of historic and non-historic building envelopes. B.E.S. offers architects, engineers, facility managers, maintenance departments, and owners a single source for their building envelope needs. From onsite assessments and the preparation of construction documents, to projects management services during construction, B.E.S. provides their clients a level of professional services beyond their expectations.