Slade Industries is a multi-discipline construction, commissioning and maintenance service provider from management to field ... technicians. Shutdown Personnel. Specialists in process and control system pre-commissioning, commissioning and calibrations. P&ID & schematic verification, as-built markups, commissioning to procedures utilising quality documentation and NATA traceable test equipment. Multi-Discipline QA/QC checks. Instrumentation and cabling installations. read more