We have expertise in the engineering, quality control, and construction administration of building mechanical, electrical, plumbing, and technology systems and offer the following additional specialized services: Site investigations/value engineering/feasibility studies Indoor environmental analysis Building controls automation Cost estimating Due Diligence Reports Energy Analysis Construction Management In 1997, Allen & Shariff created a Construction and Facilities Management Division to provide full turn-key service to their customers. This expertise was developed through a combination of unique teaming strategies and subcontractor arrangements, and through the addition of key project management and installation personnel to the Construction and Facilities Management Division (CM)