Companies registered with the City of Los Angeles in Ontario — page 1 of 2
323 active company locations whose address is in Ontario.
1 · 2
| Company | City account | Industry | Since |
|---|---|---|---|
| 4EVER INKS LLC | 0002255085-0001-9 | Wholesale trade | Jun 21, 2007 |
| A&S CONSTRUCTION INC | 0003468414-0001-5 | Construction | Jan 28, 2025 |
| A2Z BUILDERS GROUP INC | 0003586463-0001-2 | Construction | May 1, 2026 |
| AAF INTERNATIONAL AMERICAN AIR FILTER COMPANY INC | 0000649837-0001-1 | Wholesale trade | Nov 17, 1988 |
| ABC RESOURCES INC | 0000734788-0001-8 | Construction | Aug 17, 1989 |
| ABLE INDUSTRIAL PRODUCTS INC | 0000741122-0001-4 | Retail trade | Aug 3, 1999 |
| ABM ELECTRICAL POWER SERVICES LLC | 0002789082-0001-1 | Construction | Sep 1, 2013 |
| ABS FACILITY SERVICES INC | 0002803112-0001-4 | Professional and technical services | Feb 3, 2015 |
| AC SPRAGGINS ENGINEERING & UNDERGROUND INC | 0002976916-0002-8 | Construction | Jun 8, 2023 |
| ADAMS HYDRO VALVES INC. | 0003532571-0001-4 | Wholesale trade | Nov 25, 2025 |
| ADAPTIVE CONTROLS SERVICES ADAPTIVE CONTROLS SERVICES INC | 0003511348-0001-9 | Construction | Sep 23, 2025 |
| ADMINSURE INC | 0003258387-0001-9 | Professional and technical services | Jul 30, 2021 |
| ADVANCE TECHNOLOGY INC | 0003492203-0001-6 | Construction | May 30, 2025 |
| ADVANCE TECHNOLOGY INC. | 0003207403-0001-1 | Construction | Aug 1, 2020 |
| ADVANCED MONITORING INC | 0003245452-0001-5 | Construction | Oct 23, 2018 |
| ADVANCO FIRE PROTECTION INC | 0000850960-0001-0 | Construction | Feb 20, 2002 |
| AFC ABSOLUTE FACILITY CONTROL INC | 0002657742-0001-4 | Construction | Jan 30, 2013 |
| AGUIAR PROFESSIONAL TRAINING LLC | 0003549257-0001-7 | Educational services | Jan 1, 2026 |
| AIR CONTROL SPECIALTIES INC | 0000409020-0001-3 | Construction | Nov 14, 1996 |
| AIR CONTROL SYSTEMS INC | 0000067146-0001-8 | Construction | May 6, 1999 |
| AIRESTREAM MECHANICAL INC | 0002563038-0001-2 | Construction | Jun 2, 2011 |
| AIRITE HEATING/AIR CONDITIONING | 0000731633-0001-7 | Construction | Jun 27, 2002 |
| AIT SERVICES ALEXANDER INSTALLATION & TECHNOLOGY SERVICES LLC | 0003396041-0001-9 | Construction | Oct 6, 2023 |
| ALCAL ROOFING, INSULATION & WATERPROOFING ALCAL SPECIALTY CONTRACTING INC | 0000004582-0001-7 | Construction | Jun 18, 2003 |
| ALL AMERICAN ENVIRONMENTAL & SAFETY ALL AMERICAN ENVIRONMENTAL & SAFETY LLC | 0003413539-0001-5 | Professional and technical services | Jan 10, 2024 |
| ALL IN PLUMBING CARE INC | 0003510713-0001-1 | Construction | Sep 22, 2025 |
| ALL PRO PLUMBING HEATING COOLING & ELECTRICAL LLC | 0003459779-0001-5 | Construction | Nov 26, 2024 |
| ALL TERRAIN BUILDING & LAND DEVELOPMENT ALL TERRAIN OUTLET INC | 0002808166-0001-7 | Activity not given | Jan 23, 2015 |
| ALLSTEM CONNECTIONS, INC. | 0003086099-0001-1 | Administrative and support services | Dec 1, 2018 |
| AMAZING TRANSPORTATION INC | 0003327276-0001-1 | Transportation and warehousing | Aug 9, 2022 |
| AMREP MANUFACTURING COMPANY LLC | 0003113501-0001-1 | Activity not given | Jan 1, 2024 |
| ANISH PATEL/ASHTEL STUDIOS, INC | 0003591521-0001-7 | Retail trade | Jan 1, 2015 |
| ANS SOLAR INDUSTRIAL DESIGN SYSTEM INC | 0003015227-0001-1 | Construction | Nov 2, 2017 |
| APD INC | 0002823285-0001-4 | Wholesale trade | Apr 20, 2015 |
| AR INDUSTRIES INC KOBALT INDUSTRIES INC | 0002381183-0001-3 | Retail trade | Apr 11, 2005 |
| ARC ELECTRICAL CONTRACTORS INC | 0003378880-0001-6 | Construction | Jun 14, 2023 |
| ARROW TRAILER SUPPLIES INC | 0002537508-0001-2 | Other services (repair, personal care) | Aug 1, 1965 |
| ARTESIA SAWDUST PRODUCTS INC | 0000438413-0001-8 | Retail trade | Jan 1, 1997 |
| AS DESIGN IT INC | 0003494101-0001-3 | Professional and technical services | Jan 1, 2025 |
| AURELIX NETWORK AURELIX LLC | 0003595428-0001-0 | Information | Jun 2, 2026 |
| AVEO INC | 0003056325-0001-2 | Construction | May 22, 2018 |
| AXLE AL S MACHINE SHOP PORTABLE SPINDLE REPAIR SEPCIALIST INC | 0002568967-0001-9 | Other services (repair, personal care) | Jul 11, 2011 |
| AXXESS DOOR CORP | 0003258185-0001-3 | Construction | Jun 10, 2021 |
| AXXESS DOOR CORP | 0003582200-0001-1 | Construction | May 1, 2026 |
| AYRES LANDSCAPE SERVICE INC | 0000581863-0001-5 | Administrative and support services | Apr 1, 2002 |
| B FRIES CONSTRUCTION INC | 0002744858-0001-1 | Construction | Apr 8, 2014 |
| BEARTRIO INC | 0003340590-0001-8 | Wholesale trade | Oct 10, 2022 |
| BENEFICIAL AG SERVICES CIRCLE GREEN INC | 0002761404-0001-2 | Administrative and support services | Jul 3, 2014 |
| BEST CHOICE BUILDING & DEVELOPING LLC | 0003587638-0001-8 | Construction | May 27, 2026 |
| BEST SOLAR SERVICE ELECTRICAL BESTS ERVICES,INC. | 0003300475-0001-0 | Construction | Jan 1, 2022 |
| BEVERLY IT DESIGN INC | 0003494102-0001-8 | Professional and technical services | Jan 1, 2025 |
| BRIDGESTONE RETAIL OPERATIONS LLC | 0000037402-0009-6 | Wholesale trade | Jan 1, 1977 |
| BROCO INC | 0003431056-0001-6 | Manufacturing | Apr 19, 2024 |
| BUDGET AIR INC | 0002966993-0001-9 | Construction | Feb 22, 2017 |
| C&A7 MEDIA AND CONSULTING LLC | 0003601917-0001-1 | Professional and technical services | Jan 1, 2023 |
| C2C PLUMBING INC | 0003160811-0001-0 | Construction | Nov 12, 2019 |
| CAP ANGELES CONSTRUCTION INC | 0003428583-0001-9 | Construction | Apr 8, 2024 |
| CAPRIWELL CONSTRUCTION INC | 0003172250-0001-1 | Construction | Jan 9, 2020 |
| CARLYLE GLASGOW WELDING SERVICES INC | 0002267092-0001-0 | Activity not given | Jul 25, 2007 |
| CBCALLUENG ACCOUNTING AND TAX SERVICES, INC. | 0002968081-0001-7 | Professional and technical services | Jan 6, 2017 |
| CCI HOSPITALITY INC | 0003179293-0001-1 | Other services (repair, personal care) | Feb 1, 2020 |
| CGO CONSTRUCTION COMPANY INC | 0002765678-0001-1 | Construction | Jul 30, 2014 |
| CINCO IRON WORKS INC | 0000019227-0001-6 | Construction | Jul 17, 2003 |
| CITIZENS BUSINESS BANK | 0002354091-0004-7 | Finance and insurance | Apr 1, 2010 |
| CLARK GENERAL CONTRACTING, INC. | 0003056939-0001-3 | Construction | Jun 4, 2018 |
| CLEAN-POWER2N ZAITH CONSTRUCTION GROUP | 0003447253-0001-9 | Construction | Aug 30, 2024 |
| CLEARVIEW POOLS, INC | 0003491345-0001-1 | Construction | May 27, 2025 |
| CM CONSTRUCTION GENERAL CONTRACTORS INC | 0002966812-0001-7 | Construction | Feb 21, 2017 |
| CMC REBAR CMC STEEL FABRICATORS INC | 0000034550-0001-6 | Construction | Jan 1, 1975 |
| COLLINS COMPANY WARREN COLLINS & ASSOCIATES INC | 0000591877-0001-3 | Construction | May 12, 1998 |
| COMMERCIAL CONCRETE CONSTRUCTORS, INC. | 0003464869-0001-0 | Construction | Jan 21, 2025 |
| COMTRACT COMMUNICATIONS INC | 0000535718-0001-9 | Construction | Sep 27, 2004 |
| CONDON-JOHNSON & ASSOCIATES INC | 0000474073-0001-3 | Construction | Oct 1, 1988 |
| CORESTATES CONSTRUCTION SERVICES INC | 0002543421-0001-7 | Construction | Feb 17, 2011 |
| CORREA CONCRETE INC | 0002955425-0001-8 | Activity not given | May 1, 2025 |
| COVA CONSTRUCTION INC | 0002859304-0001-1 | Construction | Sep 23, 2015 |
| CPS WEST CONCRETE PROTECTION SYSTEMS WEST, INC. | 0002764578-0001-6 | Construction | Jan 1, 2014 |
| CRAFTMANDU LLC | 0003400632-0001-3 | Retail trade | Nov 13, 2023 |
| CREATION CAPITAL PARTNERS LLC | 0002835524-0001-3 | Professional and technical services | Jun 17, 2010 |
| CRISCION ELECTRIC INC | 0000747924-0001-2 | Construction | Apr 27, 1998 |
| CROWN COMMUNICATIONS ENGINEERING INC. R &C ENTERPRISES LLC | 0003582568-0001-4 | Construction | May 7, 2026 |
| CROWN COMMUNICATIONS ENGINEERING INC. CROWN COMMUNICATIONS ENGINEERING INC | 0003582571-0001-6 | Construction | May 7, 2026 |
| CRS COMMERCIAL LLC | 0003464912-0001-8 | Construction | Dec 19, 2024 |
| CUCELL INC | 0002989706-0001-8 | Construction | Jun 5, 2017 |
| CURTIS 1000 | 0000004377-0001-0 | Manufacturing | Jan 17, 1992 |
| DAS BUILDER INC | 0003332680-0001-1 | Construction | Mar 1, 2019 |
| DAWN FOOD PRODUCTS INC | 0000881190-0001-1 | Wholesale trade | Jun 1, 1995 |
| DAYLIGHT SOLAR ENERGY CORP | 0003295064-0001-7 | Construction | Nov 20, 2014 |
| DAYLIGHT SOLAR ENERGY CORP | 0003503877-0001-4 | Construction | Aug 13, 2025 |
| DB MILLWORK DB CONSTRUCTION INC | 0003495563-0001-4 | Construction | Aug 15, 2025 |
| DC2 CONSTRUCTION THE CARPET GUY FLOORING SERVICES INC | 0002587184-0001-2 | Construction | Nov 15, 2011 |
| DEES BURKE ENGINEERING CONSTRUCTORS LLC | 0002906305-0001-8 | Construction | Nov 20, 2015 |
| DESIGN WINDOWS & DOORS INC | 0002494529-0001-5 | Construction | Dec 10, 2015 |
| DESIGNER WORKS DESIGNER METAL WORKS AND LIGHTING INC | 0003096191-0001-9 | Construction | Jan 17, 2019 |
| DEWALT FACTORY SERVICE BLACK & DECKER US INC | 0002924307-0001-5 | Other services (repair, personal care) | Jul 29, 2016 |
| DIAGNOSTIC SOLUTIONS INTERNATIONAL LLC | 0002835014-0001-9 | Manufacturing | Jun 1, 2015 |
| DIGITAL TECHNOLOGIES INC | 0002057293-0001-3 | Construction | Jul 29, 2005 |
| DOJA GRADING DOJA INC | 0000065748-0001-1 | Construction | May 24, 1993 |
| DOMINO'S PIZZA DISTRIBUTION LLC | 0002328563-0001-1 | Wholesale trade | Apr 16, 2007 |
| DOUBLE TREE BY HILTON ONTARIO AIRPORT DT ONTARIO HOTEL PARTNERS LESSEE LLC | 0003374362-0001-8 | Accommodation and food services | Nov 7, 2023 |
| DPI WEST DPI SPECIALTY FOODS WEST, INC. | 0000987566-0001-0 | Retail trade | Feb 1, 1971 |
| DR. WHEEL MOBILE REPAIR D&M AUTO SERVICES INC | 0003330027-0001-7 | Other services (repair, personal care) | Aug 31, 2022 |
| DSHVAC INC. | 0003552874-0001-5 | Construction | Jan 13, 2025 |
| EACH1 REACH1 COMMUNITY SERVICE CORP. | 0002821763-0001-4 | Arts, entertainment, recreation | Apr 13, 2015 |
| EAGLE SIGNS, INC | 0000200656-0001-4 | Construction | Apr 11, 2003 |
| EIDE BAILLY LLP | 0003359805-0001-4 | Professional and technical services | Jan 1, 2022 |
| ELECTRIC BY SUN METRO RF SERVICES INC | 0002477392-0001-1 | Construction | Jan 1, 2010 |
| ELEGANCE MILLWORK AND COMMERICAL SEATING ELEGANCE UPHOLSTERY INC | 0003438428-0001-8 | Other services (repair, personal care) | Jun 30, 2024 |
| ELITE DOOR INSTALLATIONS INC | 0003116315-0001-9 | Construction | Mar 29, 2019 |
| EMERALD FIELDS LLC | 0003407782-0001-1 | Professional and technical services | Dec 26, 2023 |
| EMI LLC | 0003587366-0001-5 | Administrative and support services | May 19, 2026 |
| EMMONS ROOF SERVICE INC | 0000048552-0001-1 | Construction | Mar 4, 1993 |
| EMPIRE SHEET METAL INC | 0000016140-0001-1 | Construction | Sep 2, 1999 |
| EMPOWER BUILDING COMPANY | 0003289314-0001-6 | Construction | Jan 3, 2022 |
| ERIKA LIM, OTR/L, INC. | 0003177146-0001-3 | Health care and social assistance | Jan 27, 2020 |
| EXCELL CONSTRUCTION, INC. | 0003478268-0001-1 | Construction | Mar 17, 2025 |
| FAIRCHILD PLUMBING & MECHANICAL INC | 0000850253-0001-2 | Construction | Apr 8, 1996 |
| FLYING PANTHER LLC | 0003443616-0001-1 | Real estate and rental | Jun 1, 2024 |
| FULLMER CONSTRUCTION CO | 0000206035-0001-7 | Construction | May 1, 1976 |
| G & G SECURITY INC | 0003590928-0001-4 | Administrative and support services | Jun 9, 2026 |
| GARCON CONSTRUCTION INC | 0002375108-0001-0 | Construction | Aug 18, 2008 |
| GEOLOGIC ASSOCIATES INC | 0000476824-0001-0 | Professional and technical services | Apr 1, 2001 |
| GLENN B DORNING INC | 0002418659-0001-2 | Agriculture, forestry, fishing | Mar 11, 2009 |
| GNG RACK INSTALLATION SERVICES INC | 0003209166-0001-6 | Construction | Aug 25, 2020 |
| GOLD STAR FOODS INC | 0002349065-0001-0 | Wholesale trade | Jan 1, 2008 |
| GOODFELLAS ELECTRIC INC | 0003329852-0001-0 | Construction | May 1, 2022 |
| GOODYEAR COMMERCIAL TIRE & SERVICE CENTER THE GOODYEAR TIRE & RUBBER COMPANY | 0000498852-0015-9 | Retail trade | Jan 1, 2017 |
| GREEN REMODEL SOLUTIONS GOMEZ & GOMEZ INC | 0002259308-0001-7 | Construction | Jul 10, 2007 |
| GUERRERO BACKHOE SERVICE INC | 0002881897-0001-0 | Construction | Jan 1, 2016 |
| GUERRERO FIRE PROTECTION INC | 0002851534-0001-1 | Construction | Aug 28, 2015 |
| HARRIS FENCE COMPANY HARRIS BUILDING SUPPLY, INC. | 0003301007-0001-8 | Construction | Jan 15, 2022 |
| HCI SPRINKLER INC | 0003273979-0001-0 | Construction | Oct 1, 2021 |
| HCI SYSTEMS INC | 0002355513-0001-1 | Construction | Jan 2, 2008 |
| HERNANDEZ WROUGHT IRON INC | 0002886964-0001-0 | Construction | Feb 10, 2016 |
| HERRON CONSTRUCTION INC | 0000902101-0001-5 | Construction | Oct 5, 1998 |
| HHS CONSTRUCTION INC | 0000390379-0001-3 | Construction | Jan 20, 2004 |
| HIGH RIDGE CONSTRUCTION INC | 0003538452-0001-7 | Construction | Dec 12, 2025 |
| HIGH SPEED ROOTER AND PLUMBING INC | 0002938941-0001-7 | Construction | Oct 12, 2016 |
| HOME MASTERS INTL. ALL ABOUT CABINETS INC | 0003142874-0001-7 | Construction | Aug 12, 2019 |
| HOME REPIPE PLUMBING LLC | 0003450597-0001-1 | Construction | Sep 19, 2024 |
| HOWE AUDIT & ADVISORY, LLC | 0003559583-0001-1 | Professional and technical services | Feb 19, 2026 |
| HR GARCIA CONSTRUCTION INC | 0003255277-0001-5 | Construction | Jun 1, 2021 |
| HTS CHEMICAL PROGRESSIVE FASTENING SYSTEM INC | 0000044559-0001-3 | Retail trade | Nov 1, 1992 |
| HY GLOBAL LLC | 0003449945-0001-6 | Construction | Jan 1, 2024 |
| HYDROPRO SOLUTIONS HPS WEST, INC. | 0003455383-0001-0 | Retail trade | Oct 24, 2024 |
| IDX CORPORATION | 0003320847-0001-3 | Manufacturing | Dec 31, 2021 |
| IE CONSTRUCTION INTEGRATED ENERGY GROUP LLC | 0003402540-0001-4 | Construction | Nov 29, 2023 |
| INLAND CONTRACTORS, INC. | 0003130092-0001-9 | Construction | Jun 6, 2019 |
| INLAND PAPER CO INC | 0000706981-0001-8 | Retail trade | Oct 1, 1980 |
| INNERGEM LLC | 0003597949-0001-7 | Educational services | Jun 1, 2026 |
| INNOVATION PAINTING INC | 0003219029-0001-3 | Construction | Nov 5, 2020 |
| INNOVATIVE BUILDING SOLUTIONS, INC | 0002780265-0001-8 | Activity not given | Dec 1, 2014 |
| INTEGRATE 888, LLC. | 0003473055-0001-1 | Transportation and warehousing | Feb 18, 2025 |
| INTER-CITY ENERGY SYSTEM INC | 0000797977-0001-6 | Construction | Jul 11, 2002 |
| INTUMESCENT AND SYNTHETIC SPECIALTY CONTRACTOR AMERICAN EMPIRE FIRE STOP INC | 0003378433-0001-9 | Construction | Jun 12, 2023 |
| ISLAND CONSTRUCTION & MAINTENANCE ISLAND PETROLEUM BUILDERS INC | 0000085969-0001-2 | Construction | Aug 16, 1993 |
| J D MAC INC | 0003192397-0001-9 | Construction | Apr 13, 2020 |
| JET SYSTEMS INTERNATIONAL, INC. | 0002548343-0001-1 | Professional and technical services | Mar 1, 2007 |
| JFP CONSTRUCTION CONSULTING COMPANY JFP CONSTRUCTION INC | 0002748764-0002-5 | Construction | Sep 1, 2017 |
| JME PLUMBING INC. | 0003602643-0001-7 | Construction | Aug 24, 2026 |
| JN CONSTRUCTON INC | 0002858936-0001-3 | Construction | Oct 5, 2015 |
| JP ADDISON CONSTRUCTION INC. | 0003232368-0001-0 | Construction | Feb 1, 2021 |
| JR FIRE SPRINKLERS JR FIRE SPRINKLERS LLC | 0003391403-0001-0 | Construction | Aug 30, 2023 |
| JUSKRIS, LLC | 0002870615-0001-1 | Manufacturing | Nov 18, 2015 |
| K A R CONSTRUCTION INC | 0000250463-0001-0 | Activity not given | Jun 1, 1995 |
| K/Z CABINET CO K & Z CABINET CO INC | 0000060964-0001-1 | Construction | Jan 1, 1973 |
| KING EQUIPMENT LLC | 0002481816-0001-4 | Real estate and rental | Jan 27, 2010 |
| KINGER INDUSTRY INC | 0003458380-0001-8 | Manufacturing | Nov 14, 2024 |
| KISHMISH HALAL FOOD BORZ INVESTMENTS LLC | 0003428684-0001-1 | Accommodation and food services | Apr 9, 2024 |
| KLEEN PLAY KLEEN PLAY PLAY GROUND CONSTRUCTION INC | 0002091814-0001-0 | Activity not given | Feb 1, 2006 |
| KPS ALARMS INC | 0002375758-0001-7 | Construction | Aug 1, 2008 |
| KPS FIRE SPRINKLERS INC | 0002551159-0001-1 | Construction | Mar 25, 2011 |
| L C PENNER CO | 0000786532-0001-2 | Wholesale trade | Apr 1, 1966 |
| LAND DEVELOPMENT DESIGN COMPANY, LLC | 0002401058-0001-1 | Professional and technical services | Jan 5, 2009 |
| LAVA PROPANE LLC | 0002754355-0001-2 | Other services (repair, personal care) | Mar 15, 2007 |
| LDM CONSTRUCTION INC | 0002721018-0001-6 | Construction | Jan 2, 2014 |
| LEE'S GENERAL CONSTRUCTION CORP | 0003248476-0001-2 | Construction | Apr 15, 2021 |
| LEE/STIRES INC | 0000125485-0001-8 | Construction | Apr 10, 1995 |
| LEGEND CONSTRUCTION SERVICES INC | 0003176544-0001-0 | Construction | Jan 29, 2020 |
| LIGHTING RESOURCES LLC | 0000965298-0001-8 | Administrative and support services | Apr 1, 1999 |
| LMI LARRY METHVIN INSTALLATION INC | 0000481550-0001-8 | Construction | Oct 1, 1984 |
| LONDON BLEU BEAUTY LLC | 0003251805-0001-1 | Activity not given | Apr 29, 2021 |
| LUCKY TACOSHI LEOVERIE INVESTMENT INC | 0003342279-0001-1 | Accommodation and food services | Dec 4, 2022 |
| LVL CONSTRUCTION INC | 0003434477-0001-2 | Construction | Jun 3, 2024 |
| MARK CHRISTOPHER AUTO CENTER MARK CHRISTOPHER CHEVROLET INC | 0002459396-0001-1 | Other services (repair, personal care) | Oct 2, 1975 |
| MARTINEZ STEEL CORPORATION | 0002186059-0001-7 | Activity not given | Sep 29, 2006 |
| MARTINEZ STEEL LLC | 0003126743-0001-0 | Activity not given | Feb 25, 2019 |
| MB PROFESSIONAL SERVICES INC | 0002671566-0001-2 | Professional and technical services | Mar 27, 2013 |
| MBM PARTNERSHIP | 0002563563-0001-1 | Agriculture, forestry, fishing | Jan 1, 2009 |
| MCINTYRE METAL DECKING R & S MCINTYRE COMPANY, INC. | 0003464868-0001-5 | Construction | Jan 1, 2024 |
| MCLANE MISSION GROVE MCLANE FOOD SERVICE, INC. | 0002264086-0002-1 | Wholesale trade | Sep 13, 2026 |
| MELVIN WROUGHT IRON INC | 0003191745-0001-7 | Construction | Apr 6, 2020 |
| META GROUP | 0003399220-0001-5 | Construction | Oct 31, 2023 |
| MHM & ASSOCIATES ENTERPRISE | 0003315309-0001-7 | Other services (repair, personal care) | Apr 25, 2017 |
| MONTANO TRUCKING INC | 0003012092-0001-5 | Transportation and warehousing | Sep 1, 2008 |
| MOST WANTED ROOFING INC | 0002338133-0001-4 | Construction | Apr 28, 2008 |
| MURGUIA CONSTRUCTION INC | 0002782475-0002-1 | Construction | May 29, 2020 |
| MY DELIGHT CUPCAKERY (CATERING TRUCK) MY DELIGHT CUPCAKERY LLC | 0002603669-0001-4 | Accommodation and food services | Jan 11, 2012 |
| MYCO CONSTRUCTION MYCO INVESTMENT INC | 0002905586-0001-1 | Construction | Apr 20, 2016 |
| MYERS POWER MYERS POWER PRODUCTS INC | 0002003998-0001-2 | Activity not given | Jul 1, 2005 |
| NATIONAL CNG & FLLET SERVICE NATIONAL CNG & FLEET SERVICE LLC | 0002839262-0001-3 | Other services (repair, personal care) | Jan 23, 2015 |
| NAYA SERVICES INC | 0002684897-0001-1 | Construction | Jun 3, 2013 |
| NH SERVICES LLC | 0002858559-0001-1 | Transportation and warehousing | Oct 19, 2015 |
| NICKOLAS STEEL, INC NICKOLAS STEEL INC | 0002990969-0001-1 | Construction | Jun 9, 2017 |
| NIXON-EGLI EQUIPMENT CO OF SOUTHERN CALIF INC | 0000233164-0001-9 | Retail trade | Aug 1, 1971 |
| NOBLE FIND ANTIQUE LLC | 0003596871-0001-6 | Retail trade | Jul 5, 2026 |
| NORTH AMERICAN CRANE COMPANY CUMMINGS INDUSTRIES INC | 0002215618-0001-1 | Activity not given | Jan 9, 2007 |
| ONTARIO ELECTRIC INC. | 0003446563-0001-0 | Construction | Aug 19, 2024 |
| ONTARIO REFRIGERATION SERVICE INC | 0000754032-0001-8 | Construction | Jul 31, 1990 |
| OPTI COMM TECHNOLOGIES INC | 0003178321-0001-7 | Construction | Feb 5, 2020 |
| OPTI-COMM TECHNOLOGIES, INC | 0003293970-0001-1 | Construction | Jan 28, 2022 |
| OWENS & MINOR DISTRIBUTION INC | 0000567623-0001-5 | Wholesale trade | Jun 3, 1986 |
| P V & C PLUMBING & PIPING INC | 0000658121-0001-1 | Construction | Jul 25, 1990 |
| PAAT & KIMMEL DEVELOPMENT INC | 0002577422-0001-0 | Construction | Sep 15, 2011 |
| PACIFIC LODGING SUPPLY PACIFIC BUSINESS GROUP INC. | 0002220620-0001-8 | Activity not given | Jan 1, 2004 |
| PACIFIC REBAR INC | 0000360620-0001-0 | Construction | Mar 25, 1996 |
| PARADISE PATIO COVERS INC | 0003493789-0001-1 | Construction | Jul 1, 2025 |
| PARITY SOLUTIONS PARITY SOLUTIONS LLC | 0003501117-0001-1 | Professional and technical services | Jul 30, 2025 |
| PELL SOLAR INC | 0002717424-0002-0 | Construction | Oct 25, 2021 |
| PENNCO CONSTRUCTION GROUP INC | 0002695931-0001-3 | Construction | Jun 7, 2013 |
| PERERA CONSTRUCTION & DESIGN INC | 0000896945-0001-4 | Construction | Nov 20, 1996 |
| POWER GRADE INC | 0002752947-0001-2 | Construction | May 23, 2014 |
| PREMIER PAVING INC | 0000745755-0001-7 | Construction | Jun 21, 1990 |
| PRIME CONSTRUCTION SERVICES, INC. | 0003204709-0001-1 | Construction | Jul 28, 2020 |
| PRIMEBORE DIRECTIONAL BORING CORP | 0002961600-0001-1 | Construction | Feb 2, 2017 |
| PROGRESSIVE FUELING CONSTRUCTION INC | 0002303764-0001-3 | Construction | Jan 15, 2008 |
| PROJECT COUNTERTOPS COMPANY, INC. | 0003052967-0001-6 | Construction | Jun 1, 2018 |
| PRUDENCE INVESTMENTS CONTRACTORS PRUDENCE INVESTMENTS CONTRACTORS INC | 0003001766-0001-6 | Construction | Aug 15, 2017 |
| R D M ELECTRIC CO INC | 0000646274-0001-1 | Construction | Oct 11, 1994 |
| R&B WHOLESALE DISTRIBUTORS INC | 0002050416-0001-3 | Wholesale trade | Jun 21, 2005 |
| RAMA FOOD MANUFACTURE CORP | 0000846965-0001-0 | Wholesale trade | Apr 4, 1997 |
| RANCHO CONSTRUCTION INC | 0003409447-0001-9 | Construction | Nov 1, 2023 |
| RAY PRODUCTS INC | 0000235644-0001-7 | Wholesale trade | Apr 1, 1949 |
| RAZO GENERAL CONTRACTORS INC | 0003212159-0001-1 | Construction | Nov 28, 2017 |
| RED FOX ADU CONTRACTORS CORP | 0003439221-0001-7 | Construction | Jun 26, 2024 |
| REGAL INDUSTRIES, INC. | 0000826423-0001-2 | Construction | Jan 1, 1998 |
| REHOME SOLUTIONS INC | 0002843340-0001-8 | Construction | Jul 24, 2015 |
| RENEWELL FLEET SERVICE LLC | 0003439369-0001-6 | Other services (repair, personal care) | May 2, 2024 |
| RESPONSE ENVELOPE INC | 0000996089-0001-9 | Wholesale trade | Sep 21, 1999 |
| REVIVE RESTORATION, LLC | 0002756619-0001-5 | Activity not given | Jun 13, 2014 |
| RINCON TRANSPORT INC | 0003497499-0001-9 | Transportation and warehousing | Aug 16, 2023 |
| ROBERT A CONSTRUCTION, INC. | 0002919811-0001-2 | Construction | Sep 6, 2016 |
| ROOMS COVERS N SOLAR SARRAZIN ENTERPRISE INC. | 0002947067-0002-5 | Construction | Mar 16, 2023 |
| ROTARY CLUB OF ONTARIO FOUNDATION | 0002463235-0001-0 | Activity not given | Jun 2, 2012 |
| RYNOCLAD RYNOCLAD INC | 0002887745-0001-8 | Construction | Jan 8, 2015 |
| S C ENVIRONMENTAL INC | 0000709923-0001-7 | Professional and technical services | Feb 17, 2005 |
| SABAIDEE FEST LLC | 0003486455-0001-2 | Arts, entertainment, recreation | May 25, 2022 |
| SCEEE CONSULTING LLC | 0003464973-0001-4 | Professional and technical services | Jan 3, 2025 |
| SECURITAS SECURITY SERVICES USA INC | 0000803812-0021-7 | Administrative and support services | Jan 1, 2012 |
| SECURR COMPUMERIC ENGINEERING INC | 0002646795-0001-2 | Wholesale trade | Nov 7, 2012 |
| SECUTORS CONSULTING SERVICES LLC | 0003557057-0001-2 | Health care and social assistance | Feb 12, 2026 |
| SECUTORS PROTECTIVE AND INVESTIGATIVE SERVICES IS A SECU SECUTORS PROTECTIVE & INVESTIGATIVE SERVICES INC | 0003557006-0001-0 | Other services (repair, personal care) | Jul 1, 2025 |
| SED CONSTRUCTORS SED CONSTRUCTORS LLC | 0003432969-0001-4 | Construction | May 1, 2024 |
| SERVICEMASTER EMT NEXTGEN ASSOCIATES, LLC | 0002927738-0001-5 | Construction | Apr 13, 2015 |
| SHENNEL TRADING GROUP | 0002192296-0001-1 | Wholesale trade | Jun 1, 2006 |
| SIERRA INSULATION CONTRACTORS II LLC | 0002893540-0001-6 | Construction | Mar 1, 2016 |
| SIGN INDUSTRIES INC | 0000966185-0001-0 | Construction | Jun 24, 1999 |
| SIGNFASTIC CLEARWORLD LLC | 0003185712-0001-5 | Manufacturing | Feb 14, 2020 |
| SIMPLE RESTORATION INC | 0003189632-0001-3 | Construction | Mar 17, 2020 |
| SKILLED HOME BUILDERS INC | 0003320580-0001-1 | Construction | Jun 22, 2022 |
| SKYBRIDGE M & D, LLC | 0002922940-0001-2 | Construction | Jul 20, 2016 |
| SOLAR ELECTRICAL PLUS INC | 0003458412-0001-0 | Construction | Nov 14, 2024 |
| SOLAR PRO SOLAR PRO ELECTRICAL SOLUTION INC | 0003163454-0001-7 | Construction | Nov 21, 2019 |
| SOLGAR CONSTRUCTION INC | 0003361882-0001-8 | Construction | Mar 7, 2023 |
| SOUTH COAST FIRE EQUIPMENT, INC. | 0003328030-0001-1 | Retail trade | Aug 10, 2022 |
| SOUTHLAND SHREDDING CHRISANDRA CORPORATION | 0002505032-0001-1 | Administrative and support services | Feb 14, 2005 |
| STAR HARDWARE INC. | 0002469088-0001-9 | Construction | Oct 30, 2009 |
| STARK CONTRACTING CORP | 0002988339-0001-2 | Construction | Jan 1, 2017 |
| STEEL DESIGN BUILDERS INC | 0002886969-0001-2 | Construction | Feb 10, 2016 |
| STONE BY STONE BUILDERS STONE BY STONE BUILDERS INC | 0003048861-0001-8 | Construction | Apr 19, 2018 |
| SUN BADGE CO INC | 0000593719-0001-7 | Activity not given | Jan 1, 1987 |
| SUN ENERGY PARTNERS INC | 0003431023-0001-1 | Utilities | Apr 1, 2024 |
| SUN ENERGY PARTNERS INC | 0003488248-0001-1 | Construction | May 4, 2025 |
| SUNCOAST POST TENSION LTD | 0002624727-0001-9 | Construction | Jul 6, 2012 |
| SURESHOT REDEMPTION DENNIS FOLAND INC | 0002043851-0001-3 | Manufacturing | May 23, 2005 |
| SWAIN SIGN INC | 0000275043-0001-9 | Construction | Jan 28, 1998 |
| T C M GROUP | 0002230022-0001-4 | Activity not given | Mar 5, 2007 |
| T'S VIP SALON INC | 0003264516-0001-2 | Activity not given | Aug 5, 2021 |
| TC FLOORING LLC | 0003582990-0001-1 | Construction | May 11, 2026 |
| TECHNICOOL REFRIGERATION TECHNICOOL REFRIGERATION & AIR CONDITIONING INC | 0003118823-0001-9 | Construction | Apr 4, 2019 |
| TEICHERT PIPELINES INC | 0003160072-0001-1 | Construction | Dec 18, 2019 |
| THE BERGMAN COMPANIES B & B CONTRACTORS INC | 0000748707-0001-0 | Construction | Jul 22, 1990 |
| THE COCA-COLA COMPANY | 0000024569-0001-4 | Wholesale trade | Feb 2, 1985 |
| THE RESIDENCE STAGING INC | 0003494092-0001-2 | Professional and technical services | Jan 7, 2025 |
| THE SPONSORSHIP CATALYST LLC | 0003413273-0001-8 | Professional and technical services | Apr 9, 2021 |
| TITAN DEMOLITION INC | 0003402096-0001-9 | Construction | Jul 12, 2018 |
| TITAN SOLAR POWER CA, INC | 0003264097-0001-5 | Construction | Jul 1, 2021 |
| TK SYSTEMS INC | 0000026877-0001-8 | Retail trade | Sep 8, 2004 |
| TNT ELEVATOR INC | 0002785080-0001-2 | Construction | Jan 1, 2015 |
| TOM N TOMS USA INC | 0002482535-0001-0 | Wholesale trade | Jan 18, 2010 |
| TOPLINE SUPPLY INC | 0000043421-0001-1 | Construction | Apr 15, 2003 |
| TOTAL FILTRATION SERVICES, INC TOTAL FILTRATION SERVICES INC | 0000902293-0001-5 | Construction | Feb 18, 1999 |
| TRAVELERS AID OF THE INLAND EMPIRE | 0000552772-0001-4 | Health care and social assistance | Jul 27, 2001 |
| TRIBE ENVIRONMENTAL SERVICES INC | 0000437350-0001-3 | Professional and technical services | Nov 1, 2004 |
| TRIPLE H PLASTERING INC | 0000383339-0001-4 | Construction | Sep 4, 1996 |
| TROPICALE FOODS INC | 0002518411-0001-1 | Wholesale trade | Jan 1, 2005 |
| TRUST ELECTRIC | 0003319046-0001-2 | Construction | Jun 16, 2022 |
| TURBINE REPAIR SERVICES LLC | 0000205688-0001-1 | Other services (repair, personal care) | Sep 8, 2000 |
| TY CUSHION TIRE LLC | 0003569521-0001-6 | Wholesale trade | Aug 13, 2022 |
| U.S. CONTROLS INC | 0003012770-0001-6 | Construction | Oct 9, 2017 |
Alphabetical order — this site ranks no one. Active company locations in the City of Los Angeles Office of Finance file of September 15, 2026. Individuals are not on this site. How to read this.