Marion Hill Associates, Inc. (MHA) personnel comprise a unique mix of topside & marine contractors, commercial divers, and environmental professionals. Our team routinely handles unique problems that are encountered in the underwater construction environment.  MHA strives for safety in all construction and diving projects.

Marion Hill Associates, Inc. has been awarded the Contractor Safe Performance Award for Underwater Diving Projects performed in the Pittsburgh District of the U.S. Army Corps of Engineers. Marion Hill Associates is committed to providing a safe working environment for our employee’s subcontractors and job site owners.