MER Companies
"MER is an integrated supplier of environmental, industrial, mechanical, and commercial diving services with an unwavering commitment to industry-leading performance."
Water Recovery (WRI) Located in Jacksonville and Tampa, Florida, WRI is an award-winning Centralized Wastewater Treatment (CWT) plant specialized in non-hazardous waste-water treatment and used oil recycling. 
DRUMMACDrummac, Inc. provides specialty services to the passenger rail industry. These services include mechanical maintenance, inspection, repair and cleaning services. 
MAINSTREAM COMMERCIAL DIVERS (MAINSTREAM)Mainstream Commercial Divers, Inc. (formerly MER Commercial Diving Division) is a full-service commercial diving company, providing decades of quality service. 
GLOBAL DIVING & SALVAGE (GLOBAL)Global Diving & Salvage, Inc. is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around water. Specialized services include, marine construction, marine casualty response, environmental services and commercial diving.