These lists are available for printout. Click on a link for a printer-friendly version. Contractors shown on these lists are current in their professional certifications and are registered with the Cross Connection Program, but are not specifically endorsed by the utility. This list is not all-inclusive and prices may vary among these companies. Prospective service providers may be reviewed with the Better Business Bureau or other suitable rating agencies. Appearance on this list implies agreement to submit backflow testing completed for their clients within 10-14 days.