C-55
151 clear company licenses whose first classification is “C-55 — Water Conditioning”.
| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| Concord, CA | AAA WATER SYSTEMS INC | 674303 | C-55 — Water Conditioning | Mar 31, 2028 |
| Camarillo, CA | ACQUA COOLERS ACQUA CLEAR INC | 827132 | C-55 — Water Conditioning | Nov 30, 2027 |
| Riverside, CA | ADVANCED CHEMICAL SERVICE INC | 970187 | C-55 — Water Conditioning | Feb 29, 2028 |
| Union City, CA | ADVANCED PURE WATER SYSTEMS | 1020492 | C-55 — Water Conditioning | Nov 30, 2026 |
| Livermore, CA | ADVANCED WATER PRODUCTS ASSURED MARKETING INC | 632567 | C-55 — Water Conditioning | Nov 30, 2027 |
| Oxnard, CA | ADVANCED WATER SOLUTIONS INC | 764570 | C-55 — Water Conditioning | Oct 31, 2027 |
| Brawley, CA | ADVANCED WATER TREATMENT SPECIALISTS | 1095895 | C-55 — Water Conditioning | Aug 31, 2028 |
| Valencia, CA | ALKAVIDA INC | 931394 | C-55 — Water Conditioning | Apr 30, 2027 |
| Norwalk, CA | ALL AMERICAN WATER SYSTEMS LLC | 1085673 | C-55 — Water Conditioning | Jan 31, 2028 |
| Torrance, CA | ALPS WATER SYSTEM INC | 699426 | C-55 — Water Conditioning | Mar 31, 2027 |
| Port Orchard, WA | ALSI LLC | 1124889 | C-55 — Water Conditioning | Aug 31, 2028 |
| Sebastopol, CA | AMERICAN WATER TREATMENT LLC | 1028815 | C-55 — Water Conditioning | Jul 31, 2027 |
| San Fernando, CA | AMERITEK WATER SERVICES AMERITEK INDUSTRIES | 870501 | C-55 — Water Conditioning | Jan 31, 2028 |
| Simi Valley, CA | ANMAC WATER TREATMENT SERVICE INC | 781716 | C-55 — Water Conditioning | Feb 29, 2028 |
| Irvine, CA | APOLLOTEK INTERNATIONAL INC | 990721 | C-55 — Water Conditioning | Feb 29, 2028 |
| Templeton, CA | APPLIED WATER SYSTEMS | 999630 | C-55 — Water Conditioning | Dec 31, 2026 |
| Fresno, CA | AQUA GOLDEN LINE INC | 1053219 | C-55 — Water Conditioning | May 31, 2027 |
| Vacaville, CA | AQUA SOLUTIONS LLC THE | 1121813 | C-55 — Water Conditioning | Dec 31, 2026 |
| Los Banos, CA | AQUA SUPREME | 759178 | C-55 — Water Conditioning | Feb 28, 2027 |
| Costa Mesa, CA | AQUA TECH CONDITIONING VODA TECH SOLUTIONS LLC | 1064043 | C-55 — Water Conditioning | Mar 31, 2028 |
| Chino Hills, CA | AQUA-Q INC | 923071 | C-55 — Water Conditioning | Oct 31, 2026 |
| Fontana, CA | AQUA-SERV ENGINEERS INC | 993417 | C-55 — Water Conditioning | Jun 30, 2028 |
| San Dimas, CA | AQUACUBED LLC | 1142288 | C-55 — Water Conditioning | Aug 31, 2027 |
| Mission Viejo, CA | AQUACUT FABRICATORS LLC | 1148494 | C-55 — Water Conditioning | Jan 31, 2028 |
| Costa Mesa, CA | AQUAKLEEN AUTHORIZED SERVICE CORPORATION | 981057 | C-55 — Water Conditioning | Feb 28, 2027 |
| Diamond Bar, CA | AQUARENA WATER CONDITIONING US WATER MART | 1160847 | C-55 — Water Conditioning | Sep 30, 2028 |
| Cobb, CA | AQUARIUS WATER SYSTEMS AQUARIUS CONSTRUCTION INC | 1048136 | C-55 — Water Conditioning | Dec 31, 2026 |
| Oakhurst, CA | ART'S WATER TREATMENT INC | 1121251 | C-55 — Water Conditioning | May 31, 2028 |
| Paramount, CA | AT APOLLO TECHNOLGIES LLC | 1086232 | C-55 — Water Conditioning | Jan 31, 2028 |
| Santa Barbara, CA | AUGIE'S WATER SYSTEMS INC | 434559 | C-55 — Water Conditioning | Sep 30, 2027 |
| Diamond Bar, CA | AVANTI MEMBRANE TECHNOLOGY INC | 1091779 | C-55 — Water Conditioning | May 31, 2028 |
| Redding, CA | BEEBE'S WATER SYSTEMS INC | 658576 | C-55 — Water Conditioning | Nov 30, 2026 |
| Hacienda Heights, CA | BRIO WATER INC | 1112588 | C-55 — Water Conditioning | Nov 30, 2027 |
| Middletown, CA | CAL TECH PUMP WELL & COMPRESSOR INC | 923640 | C-55 — Water Conditioning | Mar 31, 2027 |
| Santa Maria, CA | CALSOFT WATER PHILLCO | 1028338 | C-55 — Water Conditioning | Jun 30, 2027 |
| Aptos, CA | CAVLAN WATER COMPANY INC | 1116195 | C-55 — Water Conditioning | Feb 29, 2028 |
| Santa Ana, CA | CERTIFIED CLEAN WATER CORPORATION | 1111832 | C-55 — Water Conditioning | Oct 31, 2027 |
| Tumwater, WA | CH2O INC | 763719 | C-55 — Water Conditioning | May 31, 2027 |
| Vernon, CA | CHEROKEE CHEMICAL CO INC | 1124728 | C-55 — Water Conditioning | Aug 31, 2028 |
| Santa Cruz, CA | CLEAN WATER SYSTEMS & STORES INC | 1003944 | C-55 — Water Conditioning | May 31, 2027 |
| Fontana, CA | COAST WATER SYSTEMS INC | 874705 | C-55 — Water Conditioning | Mar 31, 2028 |
| Walnut, CA | CORONA AIR AND WATER BALANCING ECONOMIC ALTERNATIVES INC | 1051200 | C-55 — Water Conditioning | Mar 31, 2027 |
| Covina, CA | CRH CALIFORNIA WATER INC | 982519 | C-55 — Water Conditioning | Apr 30, 2027 |
| Fresno, CA | CULLIGAN WATER VOIGT WALTER C INC | 399144 | C-55 — Water Conditioning | Feb 28, 2027 |
| Bakersfield, CA | CULLIGAN WATER LARAMY WATER INC | 818708 | C-55 — Water Conditioning | Apr 30, 2027 |
| Livermore, CA | CULLIGAN WATER CONDITIONING ISING EARL INC | 398975 | C-55 — Water Conditioning | Nov 30, 2026 |
| Lindsay, CA | CULLIGAN WATER CONDITIONING CALIFORNIA WATER & FILTER INC | 829552 | C-55 — Water Conditioning | Dec 31, 2027 |
| Santa Rosa, CA | CULLIGAN WATER OF SONOMA COUNTY FISHER JAMES & SON INC | 248084 | C-55 — Water Conditioning | Aug 31, 2027 |
| Brea, CA | CUSTOM H20 | 994323 | C-55 — Water Conditioning | Jul 31, 2028 |
| Campbell, CA | DE ANZA WATER CONDITIONING INC | 682094 | C-55 — Water Conditioning | Dec 31, 2027 |
| Chino, CA | DIAMOND PURE WATER FILTRATION INC | 1032534 | C-55 — Water Conditioning | Nov 30, 2027 |
| Placentia, CA | ED'S SOFT WATER INC | 1054525 | C-55 — Water Conditioning | Jun 30, 2027 |
| Los Alamitos, CA | ELITE WATER SYSTEMS BAYSHORE WATER CONDITIONING | 704860 | C-55 — Water Conditioning | Apr 30, 2027 |
| Ventura, CA | ELITE WISE WATER | 1161394 | C-55 — Water Conditioning | Sep 30, 2028 |
| Talent, OR | ENLOE DRILLING AND PUMPS INC | 989728 | C-55 — Water Conditioning | Jan 31, 2028 |
| Vacaville, CA | ENVIRONMENTAL AQUA | 669206 | C-55 — Water Conditioning | Oct 31, 2027 |
| Laguna Niguel, CA | ESSENTIAL WATER TREATMENT LLC | 1083742 | C-55 — Water Conditioning | Nov 30, 2027 |
| Long Beach, CA | EVERSOFT INC | 674450 | C-55 — Water Conditioning | Jul 31, 2027 |
| Tustin, CA | EXCLUSIVE WATER SYSTEMS INC | 942311 | C-55 — Water Conditioning | Sep 30, 2027 |
| Hayward, CA | FANTASTICA WATER SOLUTIONS FANTASTICA COFFEE & WATER LLC | 1138260 | C-55 — Water Conditioning | Jun 30, 2027 |
| Lake Elsinore, CA | FIDELIS ELITE SYSTEMS MICA WATER INC | 981391 | C-55 — Water Conditioning | Feb 28, 2027 |
| Pismo Beach, CA | FIVE CITIES WATER SYSTEMS CENTRAL COAST WATER SYSTEMS INC | 1082772 | C-55 — Water Conditioning | Oct 31, 2027 |
| Torrance, CA | FUJI WATER SYSTEMS INC | 878301 | C-55 — Water Conditioning | Jul 31, 2028 |
| Squaw Valley, CA | GENESIS WATER SOLUTIONS LLC | 1127627 | C-55 — Water Conditioning | Oct 31, 2026 |
| Westlake Village, CA | GOURMET H2O ENTROPY ENTERPRISES INC | 1009371 | C-55 — Water Conditioning | Dec 31, 2027 |
| Eureka, CA | GOWER WATER WORKS LLC | 1118942 | C-55 — Water Conditioning | Apr 30, 2028 |
| Newhall, CA | GUARANTEED WATER SYSTEMS INC BLUEWATER SOLUTIONS CO | 577393 | C-55 — Water Conditioning | Mar 31, 2028 |
| Anaheim, CA | H2O QUALITY CARE INC | 1127192 | C-55 — Water Conditioning | Oct 31, 2028 |
| Los Osos, CA | HAGUE QUALITY WATER THE WATER IMPROVEMENT GROUP RSF WATER INC | 701449 | C-55 — Water Conditioning | Apr 30, 2027 |
| Santa Barbara, CA | HENRICKSON SYSTEMS INC | 838127 | C-55 — Water Conditioning | May 31, 2028 |
| San Diego, CA | HIGH QUALITY WATER OF CA | 1000989 | C-55 — Water Conditioning | Feb 28, 2027 |
| Jurupa Valley, CA | HYDROTEK INDUSTRIES | 1037206 | C-55 — Water Conditioning | Mar 31, 2028 |
| Carlsbad, CA | HYDROVIDA | 1076507 | C-55 — Water Conditioning | Jun 30, 2027 |
| Bakersfield, CA | INDUSTRIAL WATER TECHNOLOGIES INC | 1101209 | C-55 — Water Conditioning | Feb 28, 2027 |
| Livermore, CA | ISING'S CULLIGAN WATER OF SAN JOAQUIN VALLEY ISING G E INC | 668790 | C-55 — Water Conditioning | Apr 30, 2027 |
| Anderson, CA | J & J PUMPS INC | 836011 | C-55 — Water Conditioning | Apr 30, 2028 |
| Roseville, CA | KMB WATER LLC | 1132836 | C-55 — Water Conditioning | Feb 28, 2027 |
| Bellflower, CA | L A PURIFICATION PRODUCTS INC | 823972 | C-55 — Water Conditioning | Oct 31, 2027 |
| Modesto, CA | LIQUID SOLUTIONS INC | 811243 | C-55 — Water Conditioning | Aug 31, 2028 |
| Anderson, CA | LIVING WATER OPERATOR SERVICES LLC | 1105831 | C-55 — Water Conditioning | Jun 30, 2027 |
| Bakersfield, CA | LIVING WATER TREATMENT INC | 1057180 | C-55 — Water Conditioning | Oct 31, 2027 |
| San Gabriel, CA | M C S WATER TECHNOLOGY CORP | 964560 | C-55 — Water Conditioning | Aug 31, 2027 |
| Santa Barbara, CA | MATILIJA PURE WATER SYSTEMS CALMIN INC | 292119 | C-55 — Water Conditioning | Nov 30, 2027 |
| Bakersfield, CA | MC MOR CHLORINATION INC | 1002280 | C-55 — Water Conditioning | Mar 31, 2027 |
| Irvine, CA | MCCOWIN WATER INC | 1022717 | C-55 — Water Conditioning | Jan 31, 2027 |
| Visalia, CA | MCHEM INC | 993269 | C-55 — Water Conditioning | May 31, 2028 |
| Philo, CA | MIKE LUPARELLO INC | 1071218 | C-55 — Water Conditioning | Nov 30, 2026 |
| Stockton, CA | MOORMAN'S WATER SYSTEMS INC | 468816 | C-55 — Water Conditioning | Jan 31, 2027 |
| Barstow, CA | MYRON C CROEL INC | 892485 | C-55 — Water Conditioning | Mar 31, 2027 |
| Porter Ranch, CA | NATURE'S BLEND WATER SYSTEM INCORPORATED | 991596 | C-55 — Water Conditioning | Mar 31, 2028 |
| Petaluma, CA | NOR-CAL PUMPWORKS GARY WILSON 23 LLC | 747799 | C-55 — Water Conditioning | Mar 31, 2028 |
| Diamond Springs, CA | NORCAL WATER CONDITIONING NORCAL WATER SYSTEMS INC | 1033196 | C-55 — Water Conditioning | Nov 30, 2027 |
| Modesto, CA | NORTH BAY EQUIPMENT SERVICE & SALES INC | 1119819 | C-55 — Water Conditioning | Apr 30, 2028 |
| Corona, CA | NUVIA WATER TECHNOLOGIES INC | 969902 | C-55 — Water Conditioning | Feb 29, 2028 |
| Menifee, CA | OCEAN PACIFIC WATER SYSTEMS LLC | 1049095 | C-55 — Water Conditioning | Jan 31, 2027 |
| Cotati, CA | OLD DOG WATER TREATMENT LLC | 1161592 | C-55 — Water Conditioning | Sep 30, 2028 |
| Ventura, CA | ONE STOP WATER INC | 923392 | C-55 — Water Conditioning | Oct 31, 2026 |
| Anaheim, CA | PACIFIC INDUSTRIAL WATER SYSTEMS PACIFIC COAST WATER SYSTEMS INC | 511878 | C-55 — Water Conditioning | Jun 30, 2027 |
| Oxnard, CA | PACIFIC WATER CONDITIONING INDUSTRIAL WATER SERVICE INC | 645702 | C-55 — Water Conditioning | May 31, 2028 |
| Orange, CA | PAT'S WATER INC | 888092 | C-55 — Water Conditioning | Dec 31, 2026 |
| Santa Rosa, CA | PETERSEN - GPM WELL TESTING AND WATER TREATMENT SERVICES LLC | 985445 | C-55 — Water Conditioning | Jul 31, 2027 |
| Hermosa Beach, CA | PIER WATER SOLUTIONS LLC | 1129843 | C-55 — Water Conditioning | Dec 31, 2026 |
| Huntington Beach, CA | PINNACLE WATERWORKS INC | 1162096 | C-55 — Water Conditioning | Sep 30, 2028 |
| Valencia, CA | PRO WATER SOLUTIONS INC | 1030159 | C-55 — Water Conditioning | Aug 31, 2027 |
| Simi Valley, CA | PROLINE FILTRATION INC | 853383 | C-55 — Water Conditioning | Apr 30, 2027 |
| Tujunga, CA | PURE DROP TECHNOLOGY AQUATOUCH | 1047219 | C-55 — Water Conditioning | Nov 30, 2026 |
| Fullerton, CA | PURE EFFECT INCORPORATED | 825682 | C-55 — Water Conditioning | Oct 31, 2027 |
| Newport Beach, CA | PURE ELEMENTS WATER LLC | 1021120 | C-55 — Water Conditioning | Nov 30, 2026 |
| San Diego, CA | PURE LAB SOLUTIONS INC | 978160 | C-55 — Water Conditioning | Oct 31, 2028 |
| Santa Monica, CA | PURE WATER 1 TERRA PURE INC | 1068398 | C-55 — Water Conditioning | Sep 30, 2028 |
| California City, CA | PURE/SOFT WATER LLC | 859645 | C-55 — Water Conditioning | Sep 30, 2028 |
| Livermore, CA | PURONICS OF NORCAL LLC | 1141493 | C-55 — Water Conditioning | Aug 31, 2027 |
| Valencia, CA | PURONICS OF SOUTH VALLEY STEWART WATER TREATMENT INC | 904801 | C-55 — Water Conditioning | Oct 31, 2027 |
| Palmdale, CA | QUIQUE'S WATER CONDITIONING INC | 1080468 | C-55 — Water Conditioning | Aug 31, 2027 |
| Canoga Park, CA | R W S CORPORATION | 728294 | C-55 — Water Conditioning | Nov 30, 2026 |
| Hesperia, CA | RAYNE OF THE HIGH DESERT KLEEN H20 INC | 845595 | C-55 — Water Conditioning | Jul 31, 2027 |
| Canoga Park, CA | RAYNE OF THE VALLEY INC | 308311 | C-55 — Water Conditioning | Jul 31, 2028 |
| Palm Springs, CA | RAYNE WATER CONDITIONING PALM SPRINGS WATER SYSTEMS AND SERVICES INC | 709161 | C-55 — Water Conditioning | Jul 31, 2027 |
| Santa Paula, CA | RED - TAIL GROUND WATER SOLUTIONS INC | 768360 | C-55 — Water Conditioning | Sep 30, 2027 |
| Arroyo Grande, CA | RICHETTI WATER SOLUTIONS INC | 999627 | C-55 — Water Conditioning | Dec 31, 2026 |
| Fresno, CA | SAN JOAQUIN CHEMICALS INC | 461677 | C-55 — Water Conditioning | Aug 31, 2028 |
| Newhall, CA | SANTA CLARITA WATER CONDITIONING LLC | 1103840 | C-55 — Water Conditioning | Apr 30, 2027 |
| Murrieta, CA | SO CAL WATER SYSTEMS INC | 1095827 | C-55 — Water Conditioning | Aug 31, 2028 |
| Chino, CA | SOCAL WATER FILTRATION LLC | 1157477 | C-55 — Water Conditioning | Jun 30, 2028 |
| Costa Mesa, CA | SOFT N'RO INC | 847377 | C-55 — Water Conditioning | Sep 30, 2028 |
| San Jose, CA | SOFT PATAGONIAN INC | 1127910 | C-55 — Water Conditioning | Oct 31, 2026 |
| Santa Barbara, CA | SOL WAVE WATER | 992026 | C-55 — Water Conditioning | Apr 30, 2028 |
| Santa Rosa, CA | SONOMA WATER SERVICES INC | 873191 | C-55 — Water Conditioning | Feb 29, 2028 |
| Durham, CA | SPRAY CHEM CHEMICAL CO INC | 924388 | C-55 — Water Conditioning | Oct 31, 2026 |
| Woods Cross, UT | STEP SAVER CA LLC | 1079786 | C-55 — Water Conditioning | Aug 31, 2027 |
| Middletown, CA | STEVENSON WATER TREATMENT & DISTRIBUTION SYSTEMS INC | 1025430 | C-55 — Water Conditioning | Feb 28, 2027 |
| Petaluma, CA | SULLIVAN ELLIS & GERALD INC | 533124 | C-55 — Water Conditioning | Jun 30, 2028 |
| San Diego, CA | SUPERIOR WATER HYDROMAGNETIC SYSTEMS INTERNATIONAL INC | 1043039 | C-55 — Water Conditioning | Aug 31, 2028 |
| Everett, WA | TIDAL VISION PRODUCTS INC | 1112744 | C-55 — Water Conditioning | Nov 30, 2027 |
| Wildomar, CA | TITAN WATER TECHNOLOGY INC | 998273 | C-55 — Water Conditioning | Oct 31, 2028 |
| Redding, CA | TRIAD WATER SOLUTIONS LLC | 1109283 | C-55 — Water Conditioning | Aug 31, 2027 |
| San Diego, CA | TRITON WATER RENEWAL LLC | 1078989 | C-55 — Water Conditioning | Jul 31, 2027 |
| San Diego, CA | UNICUS WATER SOLUTIONS | 1135582 | C-55 — Water Conditioning | Apr 30, 2027 |
| San Jose, CA | VEOLIA WTS SERVICES USA INC | 937420 | C-55 — Water Conditioning | Sep 30, 2027 |
| Simi Valley, CA | W C SERVICE COMPANY INC | 437982 | C-55 — Water Conditioning | Apr 30, 2027 |
| Vista, CA | WALLIS RUSTY INC | 751935 | C-55 — Water Conditioning | Jun 30, 2028 |
| Norco, CA | WATER FACTORY INC | 1009390 | C-55 — Water Conditioning | Dec 31, 2027 |
| Benicia, CA | WATER ONE INDUSTRIES INC | 990760 | C-55 — Water Conditioning | Jan 31, 2027 |
| Firebaugh, CA | WATER RECLAMATION EQUIPMENT INC | 374574 | C-55 — Water Conditioning | May 31, 2027 |
| Irvine, CA | WATER SERVICE ELITE INC | 1105956 | C-55 — Water Conditioning | Jun 30, 2027 |
| Santa Ana, CA | WATER TECHNIQUES | 777759 | C-55 — Water Conditioning | Apr 30, 2028 |
| Sparks, NV | WATER UNLIMITED WATER TREATMENT INC | 989874 | C-55 — Water Conditioning | Jan 31, 2028 |
| Lombard, IL | WATERCO OF THE CENTRAL STATES INC | 1134131 | C-55 — Water Conditioning | Mar 31, 2027 |
| Cypress, CA | WEST COAST WATER FILTRATION INC | 941946 | C-55 — Water Conditioning | Jan 31, 2028 |
| Pomona, CA | WORLDWIDE RECOVERY SYSTEMS INC | 1095209 | C-55 — Water Conditioning | Aug 31, 2028 |
| Del Mar, CA | WTR SYSTEMS INC | 1139763 | C-55 — Water Conditioning | Jul 31, 2027 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.