Profile: Gwinnett Sprinkler Co., Inc. focuses on rendering fire protection systems. Our services include project information, design meeting, plan review, materials & fabrication, delivery & rough-in, testing and trim-out. We offer design, maintenance and various underground services. Our inspection department is equipped to do fire pump tests, annual inspections and semi-annual inspections. Our underground services include fire hydrant installation, run fire lines, vault installation and water storage tank installation.