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NAICS 238110 · Poured Concrete Foundation and Structure Contractors

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Concrete contractors in Diamond Bar, CA

5 concrete contractors in Diamond Bar, CA; 1,541 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. J & S Formsetting Inc

    ActiveD06 Concrete Related Services

    Placentia, CA · WC ✓ · 9 mi away

    Proof for J & S Formsetting Inc
    License
    CSLB 1055441
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D06 Concrete Related Services
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Placentia, CA · serves California
    Phone
    (714) 713-9495
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. J W Concrete Pumping

    ActiveD06 Concrete Related Services

    Glendora, CA · WC exempt · 8 mi away

    Proof for J W Concrete Pumping
    License
    CSLB 841073
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D06 Concrete Related Services
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Glendora, CA · serves California
    Phone
    (626) 407-6812
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Jc Concrete Pros Inc.

    ActivePrivate motor carrier

    Chino, CA · 8 mi away

    Proof for Jc Concrete Pros Inc.
    USDOT registration
    US-DOT 5740450
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Chino, CA · serves California
    Phone
    (909) 993-2837
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  4. Jf Flores Construction,Inc

    ActiveC8 Concrete+1

    Covina, CA · WC ✓ · 8 mi away

    Proof for Jf Flores Construction,Inc
    License
    CSLB 983877
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C8 Concrete
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (626) 818-1204
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Joe and Sons Construction

    ActiveC8 Concrete+1

    LA Puente, CA · WC ✓ · 7 mi away

    Proof for Joe and Sons Construction
    License
    CSLB 431771
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete; C29 Masonry
    Expires
    Nov 30, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    LA Puente, CA · serves California
    Phone
    (626) 964-5690
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Johnny's Concrete a Partnership

    ActiveC8 Concrete

    Montclair, CA · WC ✓ · 8 mi away

    Proof for Johnny's Concrete a Partnership
    License
    CSLB 897006
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 547-5333
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Johnson Construction Inc

    ActiveC8 Concrete+4

    Yorba Linda, CA · WC ✓ · 7 mi away

    Proof for Johnson Construction Inc
    License
    CSLB 893759
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C7 Low Voltage Systems; C8 Concrete; C10 Electrical; C36 Plumbing
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Yorba Linda, CA · serves California
    Phone
    (562) 708-1520
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Jr Concrete Design

    ActivePrivate motor carrier

    La Puente, CA · 7 mi away

    Proof for Jr Concrete Design
    USDOT registration
    US-DOT 2987356
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    La Puente, CA · serves California
    Phone
    (626) 626-5289
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  9. Jr Concrete & Design LLC

    ActiveC8 Concrete

    LA Puente, CA · WC ✓ · 7 mi away

    Proof for Jr Concrete & Design LLC
    License
    CSLB 875835
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    LA Puente, CA · serves California
    Phone
    (626) 626-5289
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. K a R Construction Inc

    ActiveC8 Concrete+1

    Ontario, CA · WC ✓ · 9 mi away

    Proof for K a R Construction Inc
    License
    CSLB 595709
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C8 Concrete
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 988-5054
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Kardashian Concrete

    ActiveC8 Concrete

    Covina, CA · WC ✓ · 6 mi away

    Proof for Kardashian Concrete
    License
    CSLB 952709
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (626) 536-7140
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Kodsy Construction Inc

    ActiveC8 Concrete+2

    Yorba Linda, CA · WC ✓ · 9 mi away

    Proof for Kodsy Construction Inc
    License
    CSLB 1034692
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C8 Concrete; C29 Masonry
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Yorba Linda, CA · serves California
    Phone
    (714) 478-6203
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. La Habra Concrete Corp

    ActivePrivate motor carrier

    La Habra, CA · 9 mi away

    Proof for La Habra Concrete Corp
    USDOT registration
    US-DOT 8218041
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    La Habra, CA · serves California
    Phone
    (562) 612-5981
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  14. LA Habra Concrete Corp

    ActiveC8 Concrete

    LA Habra, CA · WC ✓ · 9 mi away

    Proof for LA Habra Concrete Corp
    License
    CSLB 1154869
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    LA Habra, CA · serves California
    Phone
    (562) 312-5981
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Lamb & Sons Construction Corporation

    ActiveC8 Concrete+1

    Covina, CA · WC ✓ · 8 mi away

    Proof for Lamb & Sons Construction Corporation
    License
    CSLB 718441
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C8 Concrete
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (626) 963-5986
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Lee's Concrete Inc

    ActiveC8 Concrete

    Chino Hills, CA · WC ✓ · 7 mi away

    Proof for Lee's Concrete Inc
    License
    CSLB 944002
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Chino Hills, CA · serves California
    Phone
    (909) 991-6677
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Lopez Mark Concrete Pumping Inc

    ActiveD06 Concrete Related Services

    Covina, CA · WC exempt · 8 mi away

    Proof for Lopez Mark Concrete Pumping Inc
    License
    CSLB 911188
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D06 Concrete Related Services
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Covina, CA · serves California
    Phone
    (626) 339-8812
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Lopez Ryan S Concrete Pumping Inc

    ActiveC8 Concrete

    Covina, CA · WC ✓ · 6 mi away

    Proof for Lopez Ryan S Concrete Pumping Inc
    License
    CSLB 1126729
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (626) 391-1465
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. M C S

    ActiveD06 Concrete Related Services+1

    Covina, CA · WC ✓ · 8 mi away

    Proof for M C S
    License
    CSLB 700464
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; D06 Concrete Related Services
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (626) 856-3646
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Mana Concrete

    ActiveC8 Concrete

    Ontario, CA · WC ✓ · 9 mi away

    Proof for Mana Concrete
    License
    CSLB 1147704
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C8 Concrete
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 773-8687
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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