Services E&I 1 GALVANIZING 1 CONSTRUCTIONS 1 SHOP FABRICATION 1 CLEANING & PAINTING 1 INSULATION 1 HOT DIP GALVANISING. ANNUAL MAINTENANCE SERVICES RELATED TO MECHANICAL, ELECTRICAL AND INSTRUMENTATION WORKS. ALL CONSTRUCTION WORKS RELATED TO MECHANICAL, ELECTRICAL AND INSTRUMENTATION JOBS. SAND BLASTING, PAINTING AND SCAFFOLDING WORKS.