With offices in Baton Rouge, Beaumont, Corpus Christi, Houston, and Columbus, as well as job sites around the country, ISC has grown our team as high 3,000+ associates and offers full-service engineering, construction, and maintenance solutions throughout the United States. Can fabricate and install breakers and fuses, cable trays, batteries, battery charger, buss duct, junction boxes, tagging, term, motors, and transformers.