Grp|Wegman-Llinois Main Office

For more than 50 years, GRP Mechanical Co. Inc. has been a mechanical contractor that provides various related services. Based in Bethalto, Ill., the firm offers its vast customer base an array of management capabilities that include safety department, project management, field supervision, project planning and scheduling and many more. The company's portfolio consists of industrial piping, commercial, fabrication and service and repair. GRP Mechanical Co. Inc. serves a large number of market units, including hospitals, institutions, industrial projects, refineries, modular units, utility power plants and compressed air manufacturing facilities.