Plumbers Local #3 has a company to fit your needs. Whether it is an old garbage disposal to be replaced or a new state-of-the-art hospital being built, we are the companies of choice. All of our companies are registered with the state of Colorado which ensures that they are compliant with state and federal laws. Our plumbers have the correct licenses and proper certifications for the job. A plumber must have a valid, state-issued license, and all apprentices must be registered with the state. Plumbing is a professional business, and we are the professionals.