Companies registered with the City of Los Angeles in Diamond Bar
110 active company locations whose address is in Diamond Bar.
| Company | City account | Industry | Since |
|---|---|---|---|
| 24-HOUR MEDICAL STAFFING SERVICES LLC | 0000433399-0001-0 | Administrative and support services | Jan 2, 2001 |
| 3R RESOURCES FINANCIAL INC | 0002580269-0001-5 | Professional and technical services | Jan 1, 2011 |
| ACCOUNTANT UNIVERSE NOAH INTL LLC | 0003570777-0001-9 | Transportation and warehousing | Jun 8, 2024 |
| ADVANTEC CONSULTING ENGINEERS INC | 0000141695-0001-1 | Professional and technical services | Aug 21, 2000 |
| ADVO INDUSTRIES LLC | 0003435276-0001-9 | Retail trade | Jun 1, 2024 |
| AEAE PROPERTIES LLC | 0003300530-0001-1 | Real estate and rental | Nov 1, 2021 |
| AEROPAK USA INC | 0003565110-0001-6 | Wholesale trade | Mar 20, 2025 |
| ALLIED GOLDEN LLC | 0002487913-0001-2 | Real estate and rental | May 28, 2008 |
| ALLIED RESTORATION SERVICES INC | 0002520017-0001-3 | Construction | Sep 9, 2010 |
| ALLWAYZ HEATING & AIR CONDITIONING INC | 0003368236-0001-0 | Construction | Jan 15, 2023 |
| AMERICAN RESOURCES CORPORATION | 0003464727-0001-8 | Construction | Jan 6, 2025 |
| APEX CONSTRUCTION BUILDER INC | 0003127875-0001-5 | Construction | May 28, 2019 |
| APR CONSULTING INC | 0000889621-0001-0 | Professional and technical services | Jan 2, 1992 |
| BON WIRE & CABLE LLC | 0002473876-0001-4 | Wholesale trade | Apr 20, 2009 |
| BUMPY PITCH LLC | 0002105344-0001-7 | Retail trade | Mar 1, 2003 |
| BYTELOGISTIC INC | 0003494444-0001-6 | Professional and technical services | Jan 9, 2024 |
| C THIRTY SIX INC | 0002633231-0001-3 | Activity not given | Aug 28, 2012 |
| CALIFORNIA INTEGRATED SOLUTIONS INC | 0000890931-0001-9 | Retail trade | Jul 1, 2004 |
| CAMEL RIDES LLC | 0003462343-0001-0 | Transportation and warehousing | Dec 16, 2024 |
| CAPSTONE GLOBAL CAPITAL CORP | 0003459809-0001-8 | Professional and technical services | Aug 23, 2024 |
| CAPSTONE RESOURCES TRADING CORP | 0003459792-0001-1 | Wholesale trade | Oct 15, 2024 |
| CARVE MODULAR CARVE CREATION CORPORATION | 0003505605-0001-8 | Wholesale trade | Jan 2, 2025 |
| CFP CONSTRUCTION INC | 0002915455-0001-3 | Construction | May 26, 2016 |
| CGI MARKETING CORP. | 0003336960-0001-7 | Construction | Nov 3, 2022 |
| CH GROUP MAINTENANCE, INC. | 0000458566-0001-1 | Administrative and support services | Apr 14, 1997 |
| CK HOSPITATLITY, INC | 0002721673-0001-4 | Activity not given | Mar 4, 2013 |
| COGDIVERSIFIED INC | 0003453686-0001-3 | Health care and social assistance | Mar 1, 2024 |
| COLLARD CURATORIAL COLLARD CURATORIAL LLC | 0003595303-0001-1 | Information | Jul 1, 2026 |
| COMMVERGE SOLUTIONS INTERNATIONAL INC | 0002376695-0001-7 | Professional and technical services | Sep 11, 2008 |
| CONSMA INC | 0003391396-0001-8 | Construction | Sep 2, 2023 |
| CROSSROAD ATRIUM BUILDING SCHNEIDER ELECTRIC USA INC | 0000281243-0001-2 | Wholesale trade | Sep 30, 1985 |
| CS INSPECTIONS INC | 0003080508-0001-1 | Professional and technical services | Sep 11, 2018 |
| CT&T CONCRETE PAVING INC | 0002478403-0001-9 | Construction | Jan 5, 2010 |
| DAV-LEAR SYSTEMS INC | 0002709475-0001-2 | Administrative and support services | Nov 1, 2013 |
| DOTHAN SECURITY INC | 0003114796-0001-1 | Administrative and support services | Apr 1, 2019 |
| DREAM PAINTING INC | 0003300721-0001-8 | Construction | Dec 7, 2020 |
| DREAM TENNIS DREAM EDUCATION INC | 0003507506-0001-9 | Educational services | Sep 2, 2025 |
| ECHO DEVELOPMENT, INC | 0003297573-0001-1 | Construction | Jun 4, 2014 |
| EDUCATION WORKS CONSULTING FIRM INC | 0002989835-0001-2 | Other services (repair, personal care) | Jun 6, 2017 |
| EGGHAUSTEDLA EGGHAUSTED INC | 0003435895-0001-1 | Accommodation and food services | Jun 5, 2024 |
| EVERCRAFT CONSTRUCTION INC | 0003585384-0001-9 | Construction | May 19, 2026 |
| EVERGREEN DESIGN GROUP | 0002637795-0001-3 | Construction | Sep 26, 2012 |
| FIRE ROOF SISTERS LEARNING CENTER INC | 0002784559-0001-6 | Accommodation and food services | Nov 4, 2014 |
| FIT MINDFUL BODY CLUB INC | 0003489455-0001-4 | Other services (repair, personal care) | Oct 25, 2024 |
| FLYEST LLC | 0003412884-0001-8 | Professional and technical services | Dec 9, 2020 |
| FUELTEC, INC. | 0003066188-0001-8 | Activity not given | Jul 25, 2018 |
| GAN SIGNS & GRAPHIC INC | 0002908697-0001-9 | Construction | May 4, 2016 |
| GENTLEHEART CONNECTIONS FAMILY THERAPY SERVICES NADEESHANI JAYASUNDARA PSYCHOTHERAPY PC | 0003595740-0001-5 | Health care and social assistance | Jul 6, 2026 |
| GLINK GLOBAL CAPITAL CORP | 0003459815-0001-3 | Professional and technical services | Sep 6, 2024 |
| GOLD LINK USA THE CHAIN DEPOT INC | 0003434104-0001-9 | Wholesale trade | May 1, 2024 |
| GOLDEN OCEAN IMPORT, INC | 0003076635-0001-3 | Wholesale trade | Sep 18, 2018 |
| GTC DIRECT INC | 0002579304-0001-8 | Wholesale trade | Jun 1, 2010 |
| HAMMOND DRYWALL CONSTRUCTION HAMMOND CONSTRUCTION SERVICES INC | 0002576092-0001-5 | Construction | Aug 8, 2011 |
| HONG DING CONSTRUCTION INC | 0003427238-0001-1 | Construction | Mar 15, 2024 |
| HUAMEI CONSTRUCTION INC | 0003375385-0001-6 | Construction | May 23, 2023 |
| INSIGHT HOUND CONSULTING LLC | 0003473744-0001-1 | Professional and technical services | Jan 1, 2025 |
| INTEGRATED WIRING CONCEPTS INC. | 0003286478-0001-2 | Construction | Oct 31, 2019 |
| J CRUZ DEMOLITION INC | 0003053062-0001-7 | Transportation and warehousing | May 4, 2018 |
| JHC PROPERTY INVESTMENT LLC | 0002924721-0001-8 | Real estate and rental | Jan 1, 2016 |
| JONATHAN TRIMMINGS & ACCESSORIES JONATHAN TRIMMING & ACCESSORIES, INC | 0000117258-0001-2 | Wholesale trade | Aug 28, 1984 |
| JS FRONTIER TRADING INC | 0003504234-0001-4 | Retail trade | Aug 15, 2025 |
| KARAH MEDIA PRODUCTIONS LLC | 0003529412-0001-3 | Arts, entertainment, recreation | Nov 14, 2023 |
| L A MAPPING SERVICE L.A. MAPPING SERVICE, INC | 0000118247-0001-1 | Professional and technical services | Apr 9, 2002 |
| LIN CONSULTING INC | 0000587849-0001-9 | Professional and technical services | Dec 7, 2001 |
| LM WOOD MARRIAGE AND FAMILY THERAPY INC | 0002207457-0001-2 | Activity not given | Dec 11, 2006 |
| MONKU INC | 0003452062-0001-1 | Retail trade | Jul 22, 2024 |
| MTEC M. TECON, INC. | 0003235450-0001-0 | Construction | Jan 1, 2021 |
| NEXERA BUILDERS INC | 0003056091-0001-5 | Construction | May 21, 2018 |
| OKP FARMS LLC | 0003509253-0001-3 | Wholesale trade | Apr 12, 2023 |
| ORANGE KITCHEN & BATH, INC. | 0003258345-0001-5 | Activity not given | Nov 23, 2016 |
| P & Y TRANSPORT PJ BUTTER INDUSTRIES LLC | 0003540479-0001-4 | Construction | Jan 1, 2020 |
| PACIFIC COAST ELECTRIC AEPHIL PACIFIC CORP | 0002826490-0001-3 | Construction | May 6, 2015 |
| PEREZ CONSTRUCTION GROUP INC | 0002761069-0001-4 | Construction | Jul 1, 2014 |
| PLHK HVAC INC | 0003594045-0001-3 | Construction | May 24, 2023 |
| POETDOGG CORP | 0003283106-0001-1 | Manufacturing | Dec 1, 2021 |
| POST ELECTRIC COMPANY INC | 0002255362-0001-2 | Construction | Apr 8, 2019 |
| PRECAST INSTALLERS INC | 0002962061-0001-6 | Construction | Oct 1, 2016 |
| PROMISE DEVELOPMENT GROUP | 0003518528-0001-9 | Construction | Oct 20, 2025 |
| PUB CONSTRUCTION INC | 0000733031-0001-3 | Construction | Jan 18, 2003 |
| QUALITY MART GREAT TREASURE INTERNATIONAL INC | 0003335284-0001-8 | Retail trade | Oct 18, 2022 |
| RAY ELECTRICAL ENGINEERING INC | 0003202546-0001-1 | Construction | Jul 14, 2020 |
| REFINED F STUDIOS LLC | 0003437416-0001-8 | Professional and technical services | Apr 25, 2024 |
| SHEHUSTLER INC | 0003229052-0001-9 | Arts, entertainment, recreation | Aug 1, 2020 |
| SILVER YEARS HEALTHCARE, INC. | 0003589217-0001-8 | Health care and social assistance | Jan 1, 2022 |
| SKANSKA USA CIVIL WEST CALIFORNIA DISTRICT, INC. | 0002412916-0001-5 | Construction | Aug 20, 2013 |
| SMART CONSTRUCTION SUNOOON INC | 0003484303-0001-2 | Construction | Apr 21, 2025 |
| SOFTWORLD IT LLC | 0003434006-0001-0 | Other services (repair, personal care) | Oct 7, 2022 |
| SOPHRESH CULINARY LLC | 0003373017-0001-1 | Retail trade | May 4, 2023 |
| SPR LOGISTICS INC | 0003499639-0001-8 | Transportation and warehousing | Aug 1, 2018 |
| STAFFING ARE US LLC | 0003106052-0001-9 | Activity not given | Feb 1, 2019 |
| STARSIDE SECURITY & INVESTIGATION INC | 0000251344-0001-6 | Administrative and support services | Aug 1, 1995 |
| SUGAR BEAN BITES SUGAR BEAN LLC | 0003592071-0001-1 | Retail trade | Jun 15, 2026 |
| SUPERCONS INC | 0003543012-0001-0 | Construction | Jan 1, 2024 |
| TAN & WANG CONSTRUCTION CO INC | 0000363405-0001-1 | Construction | Dec 10, 2003 |
| TE CONNECTIVITY CORPORATION | 0000178698-0001-5 | Retail trade | Sep 1, 1989 |
| TECHWORLD SOLUTIONS LLC | 0003525130-0001-8 | Professional and technical services | Jan 1, 2021 |
| TEKKNO INC | 0000084781-0001-0 | Retail trade | Mar 1, 2000 |
| TETRA TECH BAS INC | 0000617079-0001-5 | Professional and technical services | May 1, 1987 |
| THE ALLEY CAT LLC | 0003507303-0001-9 | Accommodation and food services | Apr 18, 2023 |
| THLC CORPORATION | 0003258279-0001-6 | Construction | Jun 16, 2021 |
| TRIDENT SUPPLY INC | 0002477191-0001-1 | Manufacturing | Jan 1, 2010 |
| UNICORN GROUP UNICORN GROUP CONSTRUCTION LLC | 0003187559-0001-0 | Construction | Jan 1, 2020 |
| UNICORN GROUP USA, INC. UNICORN GROUP USA, INC | 0002881169-0001-1 | Construction | Jan 1, 2016 |
| UP 4 U CONSTRUCTION INC | 0003458613-0001-1 | Construction | Nov 19, 2024 |
| US CONSTRUCTION ENTERPRISES | 0003086792-0001-6 | Construction | Nov 28, 2018 |
| VC CONSTRUCTION INC | 0002555199-0001-5 | Construction | Apr 14, 2011 |
| WALL TECH LTD MARCH INTERNATIONAL INC | 0002423674-0001-7 | Construction | Mar 31, 2009 |
| WATER KING PLUMBING CONSTRUCTION INC | 0000733147-0001-2 | Construction | Feb 10, 2003 |
| WEST COVINA INVESTMENTS LLC | 0002335634-0001-8 | Real estate and rental | May 1, 2005 |
| YOMOFA LIMITED LIABILITY COMPANY | 0003230569-0001-6 | Retail trade | Jan 1, 2021 |
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.