| 120WaterAudit | 303 |
| 360water, Inc. | 515 |
| 3M Fall Protection | 141 |
| A. Y. McDonald Mfg. Co. | 539 |
| ABB | 109 |
| Accelerated Technology Laboratories | 333 |
| ADR & Associates, Ltd | 332 |
| ADS Environmental Services | 609 |
| Advance Instruments | 241 |
| Advanced Drainage Systems, Inc. | 705 |
| Advanced Rehabilitation Technology | 638 |
| Aeration Industries | 108 |
| Airvac - a brand of Aqseptence Group | 115 |
| Akron Electric, Inc. | 806 |
| Alert Labs | 436 |
| Allied Technical Services, Inc. | 207 |
| AllMax Software, Inc. | 707 |
| Alloway | 519 |
| AMERICAN Flow Control | 324 |
| American Renewable Energy | 140 |
| American Water Resources | 702 |
| Aquam Pipe Diagnostics | 302 |
| Aquarius Technologies, LLC | 639 |
| ARCOS | 630 |
| Asahi/America, Inc. | 132 |
| ATR Distributing | Wonderware | 234 |
| Bayer Becker | 221 |
| BECK, Harold & Sons Inc. | 239 |
| Belzona | 803 |
| Bennett & Williams Environmental Consultants, Inc | 805 |
| BissNuss Inc. | 714 |
| BL Anderson Company | 107 |
| Boerger Pump | 521 |
| Bonded Chemicals, Inc. | 700 |
| Brentwood Industries | 734 |
| Buckeye Pumps, Inc | 119 |
| Buckeye Pumps, Inc | 121 |
| Buckeye State Pipe & Supply Co., Inc. | 832 |
| Burgess & Niple, Inc. | 402 |
| Calgon Carbon | 733 |
| CEI - CArbon Enterprises Inc. | 717 |
| CEI - Carbon Enterprises Inc. | 715 |
| Chaltron Systems Inc. | 308 |
| CHARGER WATER TREATMENT PRODUCTS | 233 |
| Charitable Outreach | 409 |
| CHEMTRADE | 223 |
| Chesley Associates, Inc. | 503 |
| Cla-Val | 300 |
| Commerce Controls, Inc. | 822 |
| Concrete Sealants, Inc. | 314 |
| CORE & MAIN | 601 |
| Corrpro Companies, Inc. | 200 |
| Covalen | 836 |
| Crane Pumps & Systems | 605 |
| CTI ENGINEERS, INC. | 112 |
| CUSI | 305 |
| CWM Environmental | 819 |
| Daman Superior LLC | 403 |
| Delaney and Associates, Inc. | 209 |
| Design Outreach | 406 |
| DIPRA | 831 |
| Diversified Infrastructure Services Inc | 216 |
| Dixon Engineering, Inc. | 632 |
| DN Tanks | 431 |
| DRV, Inc. | 817 |
| Duke\'s Root Control, Inc. | 307 |
| Dutchland, Inc. | 723 |
| E&I Corp | 338 |
| EA Tanks Inc | 237 |
| Earth Science Laboratories, Inc. | 219 |
| EJ | 800 |
| Ekoton USA Corporation | 125 |
| Energy Systems Group | 716 |
| Engineered Air | 801 |
| Environmental Express | 808 |
| EnviroScience, Inc. | 334 |
| E-tank, Ltd/E-Pump | 718 |
| Evoqua Water Technologies | 615 |
| Excel Fluid Group, LLC | 607 |
| Ferguson Waterworks | 320 |
| FER-PAL Construction | 825 |
| Flottweg Separation Technology, Inc. | 637 |
| Fontus Blue | 720 |
| Fox & Dole Technical Sales | 110 |
| Frew Process Group Badger Meter – Plant Instrumentation |
240 |
| GEA | 739 |
| George E. Booth Co., Inc. | 116 |
| GFS Chemicals | 224 |
| Gorman-Rupp | 730 |
| Great Lakes Water & Waste Systems, LLC | 222 |
| Guild Associates, Inc | 704 |
| H2Flow Controls, Inc. | 838 |
| H2O Innovation | 735 |
| Hach Company | 434 |
| HammerHead Trenchless | 501 |
| Hatch | 636 |
| Hayward Gordon | 538 |
| Highfield Manufacturing Company | 432 |
| HOBAS PIPE USA | 535 |
| Hold for Badger meter | 830 |
| Honeywell Smart Energy | 336 |
| Horner Industrial Group | 122 |
| Horner Lighting Group | 124 |
| HPT / Parkson | 614 |
| HPT / Schwing Bioset | 617 |
| Huber Technologies / Mixtec | 736 |
| Hughes-Primeau Controls, Inc. (HPC) | 834 |
| Hull & Associates, Inc. | 316 |
| Hydro Controls | 532 |
| Hydro Controls | 530 |
| Hydro Dynamics Company | 235 |
| Hydro International / Trojan Technologies | 625 |
| IBI Group | 100 |
| IDEXX Laboratories,Inc. | 533 |
| Induron Protective Coatings | 804 |
| Innovyze | 304 |
| inovair | 439 |
| Insituform Technologies | 741 |
| Integrity Aquatic, LLC | 634 |
| ITpipes | 136 |
| Itron, Inc. | 101 |
| J Dwight Thompson Co | 635 |
| J. Dwight Thompson Co. | 631 |
| J. Dwight Thompson Co. | 633 |
| J.G.M. Valve Corp. | 430 |
| Jack Doheny Companies | 536 |
| Jacobi Carbons, Inc. | 339 |
| Jones & Henry Engineers | 231 |
| JPS Industries, Inc. | 405 |
| JWC Environmental / Pentair Fairbanks Nijhuis | 624 |
| K.E. McCartney & Associates | 724 |
| Kaeser Compressor | 106 |
| Kennedy Valve | 502 |
| Kraft Power Corporation | 138 |
| KZF Design | 709 |
| LabtronX | 205 |
| Landmark Structures | 509 |
| Layne Inliner, LLC | 218 |
| LiquiForce Services USA | 133 |
| Logan Clay Products | 335 |
| M.E. Simpson Co, Inc | 331 |
| MarshWagner | 306 |
| MASI Environmental Laboratories Services Inc. | 131 |
| Master Meter, Inc. | 318 |
| Matlock Electric Motors | 508 |
| M-Cor Marketing | 438 |
| Membership | 301 |
| Moody\'s of Dayton, Inc. | 435 |
| MSD Environmental Services | 214 |
| MTech | 504 |
| Mueller Company | 135 |
| Mueller Systems | 137 |
| NECO | 114 |
| Neo Performance Materials | 811 |
| Nexom | 517 |
| North Shore Pump & Equipment Co. | 506 |
| OEPA | 201 |
| Ohio RCAP | 500 |
| Ohio WARN | 401 |
| Orenco Systems, Inc. | 833 |
| Pace Analytical Services, LLC. | 802 |
| Park Process | 337 |
| Park USA | 123 |
| Paymentus | 807 |
| Peerless Midwest, Inc. | 821 |
| Pelton Environmental Products, Inc. | 731 |
| Pollardwater | 322 |
| Precision Laser & Instrument, Inc. | 225 |
| Preload | 134 |
| Primary Flow Signal, Inc. | 215 |
| PRIME AE Group | 330 |
| Primex Controls | 105 |
| Pump systems LLC | 827 |
| quasar energy group | 829 |
| Quest Dehumidifiers | 824 |
| Raven Lining Systems | 404 |
| RAWDON MYERS, INC. | 722 |
| Riehl Systems Co. | 531 |
| Rockwell Automation | 433 |
| RootX Root Control | 202 |
| RootX Root Control | 204 |
| RoviSys | 128 |
| RoviSys | 706 |
| RW Sidley Inc | 232 |
| Sanitaire - A Xylem Brand | 104 |
| Schultz Fluid Handling Equipment | 203 |
| Sedaru | 841 |
| SEEPEX | 738 |
| Sensus | 537 |
| Shook Construction | 230 |
| Silversmith Data | 725 |
| SKS Waterworks LLC | 437 |
| Smith & Loveless, Inc. | 139 |
| Smith Environmental | 525 |
| SpectraShield Liner Systems | 603 |
| STRUCTURAL TECHNOLOGIES | 608 |
| SUEZ Advanced Solutions | 823 |
| Sullivan Environmental Tech. Inc. | 507 |
| Sullivan Environmental Technologies | 505 |
| Swan Analytical | 130 |
| Tank Industry Consultants | 117 |
| Team EJ Prescott | 236 |
| Technique Roofing Systems LLC | 813 |
| The Bergren Associates, Inc. | 604 |
| The Craun Liebing Company | 732 |
| The Henry P. Thompson Co. | 616 |
| The Henry P. Thompson Co. | 618 |
| The Henry P. Thompson Co. | 619 |
| The Henry P. Thompson Co. | 620 |
| The Henry P. Thompson Co. | 621 |
| The Henry P. Thompson Co. | 622 |
| The Henry. P. Thompson Co./REXA | 623 |
| Thermal Process Systems | 523 |
| Thompson Pipe Group | 839 |
| Tnemec Company | 238 |
| TOMCO2 Systems | 737 |
| Total piping Solutions | 206 |
| Tri-State Tool & Hoist | 220 |
| TRUMBULL INDUSTRIES, INC. | 602 |
| UIS SCADA | 815 |
| Ulliman Schutte | 126 |
| USABlueBook | 708 |
| USALCO | 703 |
| Utility Solutions, Inc. | 208 |
| Utility Technologies, LLC | 701 |
| Water Equation Campaign | 407 |
| Water for People | 400 |
| Water Warriors | 600 |
| Wateropolis Corp. | 837 |
| Waterworks Systems & Equipment, Inc. | 309 |
| Watson Marlow Fluid Technology Group | 103 |
| Wessler Engineering | 217 |
| Westerville Groundwater Services | 835 |
| WinCan LLC | 809 |
| Winsupply of Cleveland | 534 |
| Xylem Analytics | 606 |
| Xylem Water Solutions, Inc. | 814 |
| YP | 408 |
| YSI - A Xylem Brand | 102 |
| Zesco Inc. | 816 |
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