Service 1st Contractors is a commercial HVAC, plumbing, refrigeration, and electrical service provider based in Anaheim, CA. They offer expert repairs, preventative maintenance, and installations for various commercial systems including HVAC units, plumbing, refrigeration, kitchen equipment, electrical wiring, and pool systems. Their certified in-house technicians handle all work without subcontractors, focusing on minimizing downtime and ensuring smooth business operations. Service 1st Contractors provides 24/7 emergency response to keep commercial facilities running without interruptions.