Sustaining Members
- American Backflow Prevention Association
- American Standard
- Apollo Valves / Conbraco Industries
- Aqua Shield
- Armstrong Hot Water Group
- Astra Industrial Services, 3525 Old Conejo Rd, Suite 104, Newbury Park, CA, 91320-2190
- BAVCO
- Bradley Corporation
- C.A.D.S. Services of LA, LLC
- Capitol Mechanical Industries
- Cash Acme / Reliance Worldwide Corp
- Cast Iron Soil Pipe Institute
- Certified Medical Gas Services
- Chicago Backflow
- Chicago Faucet / A Geberit Company
- CHT, LLC
- Colorado Cross-Connection Control Manual, Inc.
- Conine Manufacturing Co., Inc.
- Copper Development Association
- CSA International / Canada
- CSA International / Cleveland OH
- D/K Mechanical Contractors, Inc.
- Delta Faucet Co.
- Dema Engineering
- Durgo, Inc.
- Engineered Concepts
- Environmental Testing Services, Inc.
- ESENBI Corp., 699 Palisade St., Pasadena, CA, 91103
- FEBCO
- Filtrine Manufacturing Company
- Fluidmaster Inc
- FM Approvals, 743A Reynolds Rd, West Glocester, RI, 02814-1630
- Ford Meter Box Company, Inc
- G & C Enclosures, Inc.
- Holby Valve Co.
- Honeywell
- Hydro Designs, Inc.
- IAPMO Research & Testing Laboratory
- Indian Trail Plumbing
- In-Sink-Erator
- Jaclo Industries
- Jay R. Smith Mfg. Co.
- Kim Technology & Systems Engineering PTE, Ltd
- Kohler Company
- Lawler Manufacturing Company, Inc.
- Legend Valve
- Leonard Valve
- LU 15 / Minneapolis Plumbers
- LU 60 / Plumbers & Steamfitters
- M.I.E. Services, Inc.
- MCA of Northeastern PA, 1751 Lamplight Circle, Middletown, PA, 17057
- MIFAB, Inc.
- Moen, Inc.
- Morrison Supply
- Mueller Company
- Neoperl, Inc.
- NIBCO, International
- NSF International
- Oatey Company
- Precision Plumbing Products
- Professional Service Industry, Inc.
- Rand Technical Consulting, LLC
- Rectorseal
- Sea Hawk Systems, LLC, 5208 NE 24th Terrace, Suite F225, Ft Lauderdale, FL, 33308
- SGS US Testing Company, Inc.
- Sioux Chief Mfg. Co. Inc.
- Sloan Flushmate / A Division of Sloan Valve
- Sloan Valve Company
- Sobha Developers Pvt., Ltd.
- Stevens Institute of Technology
- Studor Trading, Ltd.
- Studor, Inc.
- Symmons Industries, Inc.
- T & S Brass & Bronze Works, Inc.
- Taco, Inc.
- Thermaco, Inc.
- University of Southern California / FCCCHR
- US Analytical Laboratories
- Val-Matic Corp.
- Watts Regulator Co
- Wilkins / A Division of Zurn
- Woodford Mfg. Co.
- WRc-NSF, Ltd.
- Wyle Laboratories
The following is a list of ASSE Sustaining Members and a link to their websites. Companies without a web address are listed with a mailing address.
Click here to be directed to a page that lists each Manufacturer's ASSE Seal Listings.
