Mechanical Plumbing Fixtures and EquipmentAPEX Piping Systems, Inc. Home Page Apply for a Job Job Openings Welcome to APEX Piping Systems, Inc. Please follow this link to our World War Two National Memorial Page APEX Piping Systems is recognized as the leader in process pipe and specialty metal fabrications, including ASME Code work. Serving the chemical, petrochemical, pharmaceutical, food and beverage, pulp and paper, power and marine industries. Specialties Include: Process Piping Systems Bending and Flaring Pipe Skid Mounted Process Systems Jacketed Piping ASME Pressure Vessels Type "