Complete Backflow, LLC
📍 Phoenix, AZ (4202 E Elwood St, Suite 21)
🏅 Cert: ASSE Standard 5110 Certified Backflow Prevention Assembly Tester 🏅 Cert: Arizona ROC Commercial Plumbing License #ROC281691 🏅 Cert: ABPA Certified Backflow Prevention Assembly Tester Commercial Cross-Connection Control Annual Backflow Assembly Certification RPZ & Double Check Valve Rebuilds Mid-West Instrument Model 845-5 Differential Pressure Test Kit Calibrated 5-Valve Backflow Test Gauges Mobile Repair Inventory for Febco, Wilkins, and Watts
Verified Source: Arizona Registrar of Contractors and corporate compliance records
Backflows Northwest, Inc.
📍 Bellevue, WA (12819 SE 38th St #112)
🏅 Cert: Washington State Department of Health Certified Backflow Assembly Tester (BAT) 🏅 Cert: ASSE 5110 Backflow Tester Certification 🏅 Cert: Washington State Contractor License #BACKFNI001DB Commercial Backflow Assembly Inspection & Testing Fireline Double Check Detector Assembly (DCDA) Testing Reduced Pressure Principle Assembly (RPBA) Maintenance Barton Model 226/247 Differential Pressure Units Calibrated Apollo/Conbraco Diagnostic Gauges Dedicated High-Volume Field Service Vehicles
Verified Source: Washington State Department of Labor & Industries Contractor Verification
ABC Testing, Inc.
📍 San Rafael, CA (761 Francisco Blvd W, Ste C)
🏅 Cert: AWWA California-Nevada Section Certified Backflow Tester 🏅 Cert: ABPA Certified Backflow Assembly Tester & Specialist 🏅 Cert: California C-36 Plumbing Contractor License #741544 Commercial & Industrial Backflow Testing Hospital & Medical Facility Cross-Connection Surveys Large-Diameter Fire Service Double Check Assemblies Mid-West Instrument Model 830 Differential Pressure Gauges NIST-Traceable Calibrated Test Manifolds OEM Seat and O-Ring Reseating Tools
Verified Source: California State Contractors License Board (CSLB)
Merry Plumbing Co.
📍 San Marino, CA (1465 San Marino Ave)
🏅 Cert: Los Angeles County Certified Backflow Prevention Device Tester 🏅 Cert: California C-36 Plumbing License #159381 🏅 Cert: AWWA Certified Backflow Prevention Assembly Inspector Commercial Property Backflow Certification Reduced Pressure Zone (RPZ) Device Repair Los Angeles County Department of Public Health Compliance Apollo/Conbraco Calibrated 3-Valve Test Kit High-Pressure Differential Manometer Pipe Threading and Machining Tooling up to 4-Inch
Verified Source: California CSLB Registry & Los Angeles County Cross-Connection Program
Denver Backflow Specialists Corp.
📍 Denver, CO (2129 S Fox St)
🏅 Cert: ABPA Backflow Prevention Assembly Tester & Repairer 🏅 Cert: ASSE Standard 5110 Certified Tester 🏅 Cert: Colorado Department of Public Health & Environment (CDPHE) Certified Annual Commercial Backflow Testing & Certification Denver Water Cross Connection Compliance Documentation Large-Diameter Commercial RPZ Rebuilding Mid-West Model 845 Differential Pressure Gauges Mobile Parts Units stocked for Watts, Ames, Febco, and Wilkins Hydraulic Line Pressure Calibrators
Verified Source: Denver Water Certified Backflow Assembly Tester Registry
Next Day Backflow Testing
📍 Allen, TX (101 W McDermott Dr)
🏅 Cert: Texas Commission on Environmental Quality (TCEQ) Licensed BPAT #BP0014974 🏅 Cert: State of Texas Fireline Backflow Certification 🏅 Cert: ASSE 5110 Certified Tester Commercial Facility Backflow Testing & Electronic Filing Dedicated Fireline Backflow Assembly Testing & Repair TCEQ Cross-Connection Compliance Audits Mid-West 845-5 Calibrated Backflow Test Kit Electronic Testing Transducers and Gauge Certifications Complete Internal Valve Component Replacement Packs
Verified Source: Texas Commission on Environmental Quality (TCEQ) Licensing Database
Charlotte Backflow Inc.
📍 Mount Pleasant, NC (6370 Crayton Rd)
🏅 Cert: North Carolina Licensed Commercial Plumbing Contractor #P17218 🏅 Cert: City of Charlotte Certified Backflow Tester #0223-CM9-252 🏅 Cert: South Carolina DHEC Certified Backflow Tester #195916023 Commercial & Industrial Assembly Installation & Certification Turnkey Testing on 3/4-inch to 10-inch Devices Charlotte Water Cross-Connection Compliance Submissions Watts and Apollo 5-Valve Calibrated Testing Kits Heavy Commercial Valve Pulling & Reseating Tools Flange Gasket & Disc Replacement Tooling
Verified Source: North Carolina State Board of Examiners of Plumbing and Charlotte Water Registry
St. Louis Backflow Services LLC
📍 Saint Louis, MO (2827 Breckenridge Industrial Ct)
🏅 Cert: Missouri Department of Natural Resources (MDNR) Certified Backflow Tester 🏅 Cert: St. Louis County Licensed Master Plumber 🏅 Cert: ASSE 5110 Certified Backflow Prevention Assembly Tester Commercial Domestic & Fire Line Backflow Testing Missouri Department of Natural Resources Compliance Reports RPZ Overhaul and Check Valve Re-seating Mid-West Instrument 845 Differential Pressure Manometers NIST-Certified Test Kit Calibration Stations Specialty Seat Wrenches and Spanner Tools
Verified Source: Missouri Department of Natural Resources Public Drinking Water Program
Pittsburgh Backflow Testing LLC
📍 Bethel Park, PA (5225 Library Rd, Suite 146)
🏅 Cert: ASSE Standard 5110 Certified Backflow Prevention Assembly Tester 🏅 Cert: Allegheny County Health Department Licensed Specialty Plumber 🏅 Cert: PA Home Improvement / Commercial Contractor Registration Dedicated Full-Time Commercial Backflow Inspection Allegheny County Health Department Cross-Connection Verification Pennsylvania American Water Testing & Documentation Calibrated 5-Valve Backflow Test Manifolds Differential Pressure Measurement Gauges Commercial Valve Flushing and Repair Rig
Verified Source: Allegheny County Health Department (ACHD) Plumbing Program
Backflow Testing Services LLC
📍 Clark, NJ (26 Charles St)
🏅 Cert: New England Water Works Association (NEWWA) Certified Tester (#0009105 / #0015139) 🏅 Cert: New Jersey Home Improvement Contractor Lic #13VH12718100 🏅 Cert: Partnered NJ Master Plumber Verification Network Commercial High-Hazard Backflow Device Inspections New Jersey DEP Cross-Connection Control Submissions Industrial Plant Assembly Testing & Relocation New England Water Works Standard Test Gauges Mid-West Differential Pressure Gauges (Annually Certified) Hydraulic Relief Valve Testing Instruments
Verified Source: New Jersey Division of Consumer Affairs & NEWWA Registry
Durance Plumbing
📍 Takoma Park, MD (7304 Carroll Ave #149)
🏅 Cert: Washington Suburban Sanitary Commission (WSSC) Certified Backflow Tester 🏅 Cert: Maryland State Master Plumber License 🏅 Cert: ASSE 5110 Certified Backflow Tester Commercial Cross-Connection Testing & Certification WSSC Water Certified Backflow Prevention Inspection Reduced Pressure Zone Assembly Maintenance Certified Differential Pressure Test Gauges Calibrated Bleed and Needle Valve Manifolds Commercial Line Hydrostatic Test Equipment
Verified Source: Washington Suburban Sanitary Commission (WSSC Water) Regulatory Registry
Backflow Prevention Services Inc.
📍 Las Vegas, NV (9506 Teton Diablo Ave)
🏅 Cert: AWWA Certified Backflow General Tester 🏅 Cert: Nevada State Contractors Board License 🏅 Cert: Cross Connection Control Survey Specialist Certification Commercial & Industrial Assembly Certification Southern Nevada Water Authority (SNWA) Portal Filing Clark County Health Department Compliance Inspections Calibrated Mid-West Instrument Model 845 Gauge Units Precision Water Pressure Differential Sensors Comprehensive Watts, Wilkins, and Febco Replacement Seat Kits
Verified Source: Nevada State Contractors Board and Southern Nevada Water Authority Records
Chicago Backflow, Inc.
📍 Alsip, IL (12607 S Laramie Ave)
🏅 Cert: Illinois EPA Certified Cross Connection Control Device Inspector (CCCDI) 🏅 Cert: City of Chicago Licensed Plumbing Contractor 🏅 Cert: ASSE 5110 Certified Tester Commercial and Municipal Backflow Device Testing Illinois EPA Cross-Connection Control Filing Dedicated Fire Protection Backflow Certification NIST-Traceable Calibrated Differential Pressure Gauges Complete Backflow Test Rigs for High-Volume Inspections Mobile Machining and Hydrostatic Testing Gear
Verified Source: Illinois Environmental Protection Agency (IEPA) CCCDI Verification
Georgia Backflow Testing
📍 Buford, GA (239 E Moreno St)
🏅 Cert: Georgia Association of Water Professionals (GAWP) Backflow Tester Certification 🏅 Cert: ASSE Standard 5110 Certified Backflow Prevention Assembly Tester 🏅 Cert: State of Georgia Master Plumber License Commercial Facility Backflow Testing & Repairs Municipal Water Provider Portal Submissions (Atlanta, Gwinnett, Fulton) RPZ and Double Check Assembly Certifications Mid-West 845 Calibrated Test Kit Field Calibrated High-Pressure Test Hoses & Adapters Comprehensive Spare Rubber Replacement Inventory
Verified Source: Georgia Association of Water Professionals (GAWP) Registry
Absolute Best Plumbing
📍 Orlando, FL (1026 28th St)
🏅 Cert: Florida Certified Plumbing Contractor License #CFC1428659 🏅 Cert: University of Florida TREEO Certified Backflow Prevention Tester 🏅 Cert: ASSE 5110 Backflow Assembly Tester Commercial Water System Cross-Connection Inspections Orlando Utilities Commission (OUC) Backflow Compliance Large Commercial RPZ Device Repair & Re-certification Calibrated 5-Valve Differential Pressure Manometer Kits Electronic Pressure Transducers Heavy-Duty Valve Extractors and Seat Re-facing Hardware
Verified Source: Florida Department of Business and Professional Regulation (DBPR)
Columbus Backflow Testing Company & Fire
📍 Columbus, OH (1491 Polaris Pkwy, Ste 177)
🏅 Cert: Ohio Department of Commerce Certified Backflow Tester 🏅 Cert: State of Ohio Fire Marshal Fire Protection Certification 🏅 Cert: ASSE Standard 5110 Backflow Tester Commercial Facility Backflow Compliance Dedicated Fireline Backflow Assembly Testing City of Columbus Division of Water Annual Submissions Calibrated Mid-West Instrument Model 830/845 Test Sets Digital Hydrostatic Line Pressure Testing Kits Full Replacement Inventory for Ames, Watts, and Wilkins
Verified Source: Ohio Department of Commerce Division of Industrial Compliance
American Backflow & Plumbing Services, Inc.
📍 Portland, OR (5623 SE Center St)
🏅 Cert: Oregon Health Authority (OHA) Certified Backflow Assembly Tester 🏅 Cert: Oregon CCB Commercial Specialty License #153678 🏅 Cert: ASSE 5110 Certified Backflow Assembly Tester Commercial Backflow Testing and Certification Oregon Health Authority Drinking Water Services Compliance Backflow Enclosure Security and Freeze Protection Calibrated Differential Backflow Test Kits (Annual Factory Certification) Portable Pipe Threading & Hydrostatic Pressure Rigs Dedicated Mobile Service Vans with Complete Repair Tooling
Verified Source: Oregon Construction Contractors Board (CCB) and Oregon Health Authority
A1 Back Flow Testing
📍 Salt Lake City, UT (3595 S 700 W #5)
🏅 Cert: Utah Division of Drinking Water Certified Backflow Assembly Tester 🏅 Cert: Utah DOPL Commercial Plumbing Contractor License 🏅 Cert: ABPA Certified Tester Commercial Water Safety Cross-Connection Inspections Utah Division of Drinking Water Annual Certification Filing RPZ & Double Check Valve Rebuilds and Overhauls Certified 5-Valve Backflow Test Gauges NIST-Traceable Calibrated Test Sets Specialty Valve Body Wrench Sets and Diagnostic Tools
Verified Source: Utah Department of Environmental Quality Division of Drinking Water Registry
Mark Miller Backflow
📍 Indianapolis, IN (249 Byrkit St)
🏅 Cert: Indiana Professional Licensing Agency (IPLA) Certified Backflow Tester 🏅 Cert: State of Indiana Licensed and Bonded Contractor 🏅 Cert: American Backflow Prevention Association (ABPA) Member Commercial Water Customer Backflow Testing & Repairs Citizens Energy Group Backflow Report Submission Reduced Pressure Zone (RPZ) Device Maintenance Calibrated Differential Pressure Gauge Manifolds High-Pressure Flexible Testing Hoses & Adapters Complete Internal Valve Seal Kits for Conbraco, Febco, Watts
Verified Source: Indiana Department of Environmental Management & IPLA Licensing
AMG Plumbing, Inc.
📍 Nashville, TN (2603 Fessey Park Rd)
🏅 Cert: Tennessee Department of Environment and Conservation (TDEC) Certified Backflow Tester 🏅 Cert: Tennessee State Licensed Contractor (CMC-A) 🏅 Cert: ASSE Standard 5110 Certified Tester Commercial Backflow Testing & Metro Water Services Submission Commercial RPZ and Double Check Valve Replacement Cross-Connection Hazard Assessments Mid-West Instrument 845 Differential Pressure Gauge Sets Calibrated Test Kits with Annual Calibration Certificates Heavy Commercial Pipe Threading and Press Tools
Verified Source: Tennessee Board for Licensing Contractors & Metro Water Services Tester List