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NAICS 561612 · Security Guards and Patrol Services

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Security guard service in Diamond Bar, CA

9 security guard service in Diamond Bar, CA; 1,361 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Dsi Security Services

    ActivePPO Branch

    Diamond Bar, CA

    CallAsk it
    Proof for Dsi Security Services
    License
    DCA BSIS-PPB-6533
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    PPO Branch
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Phone
    (909) 323-2079
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 6533 → California Department of Consumer Affairs search

  2. Secure Group

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    CallAsk it
    Proof for Secure Group
    License
    DCA BSIS-PPO-12149
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Phone
    (888) 575-8998
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 12149 → California Department of Consumer Affairs search

  3. Starside Security & Investigation Inc

    ActiveCorporation registered in SAM.gov

    Diamond Bar, CA

    Ask it
    Proof for Starside Security & Investigation Inc
    SAM.gov registration
    SAM.gov VYUMS7L1EGL1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 29, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. American Protective Service

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for American Protective Service
    License
    DCA BSIS-PPO-13888
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 13888 → California Department of Consumer Affairs search

  5. Ipc Security Service

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for Ipc Security Service
    License
    DCA BSIS-PPO-122858
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 122858 → California Department of Consumer Affairs search

  6. Our Father's Security

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for Our Father's Security
    License
    DCA BSIS-PPO-122436
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 122436 → California Department of Consumer Affairs search

  7. Proliant Services Inc.

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for Proliant Services Inc.
    License
    DCA BSIS-PPO-119980
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 119980 → California Department of Consumer Affairs search

  8. Ronin Security Group

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for Ronin Security Group
    License
    DCA BSIS-PPO-14555
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Apr 30, 2028
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 14555 → California Department of Consumer Affairs search

  9. Starside Security & Invstgtn, Inc.

    ActivePrivate Patrol Operator

    Diamond Bar, CA

    Ask it
    Proof for Starside Security & Invstgtn, Inc.
    License
    DCA BSIS-PPO-14220
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Nov 30, 2028
    Checked
    Oct 23, 2026
    Where
    Diamond Bar, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 14220 → California Department of Consumer Affairs search

  10. J & E Private Security Corporation

    ActivePrivate Patrol Operator

    Pomona, CA · 5 mi away

    CallAsk it
    Proof for J & E Private Security Corporation
    License
    DCA BSIS-PPO-119784
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    May 31, 2028
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Phone
    (909) 594-1111
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 119784 → California Department of Consumer Affairs search

  11. Poseidon Tactical Logistics

    ActivePrivate Patrol Operator

    Pomona, CA · 5 mi away

    CallAsk it
    Proof for Poseidon Tactical Logistics
    License
    DCA BSIS-PPO-121929
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Oct 31, 2027
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Phone
    (909) 766-8088
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 121929 → California Department of Consumer Affairs search

  12. Royal Security Group

    ActivePrivate Patrol Operator

    Pomona, CA · 5 mi away

    CallAsk it
    Proof for Royal Security Group
    License
    DCA BSIS-PPO-17981
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Phone
    (909) 716-8699
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 17981 → California Department of Consumer Affairs search

  13. Abet Security Services Inc

    ActivePrivate Patrol Operator

    Walnut, CA · 2 mi away

    Ask it
    Proof for Abet Security Services Inc
    License
    DCA BSIS-PPO-14074
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Walnut, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 14074 → California Department of Consumer Affairs search

  14. All Around Security Guard Inc.

    ActivePrivate Patrol Operator

    Walnut, CA · 2 mi away

    Ask it
    Proof for All Around Security Guard Inc.
    License
    DCA BSIS-PPO-121559
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    Walnut, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 121559 → California Department of Consumer Affairs search

  15. Bravo Protective Security Services

    ActivePrivate Patrol Operator

    Pomona, CA · 5 mi away

    Ask it
    Proof for Bravo Protective Security Services
    License
    DCA BSIS-PPO-120975
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Oct 31, 2028
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 120975 → California Department of Consumer Affairs search

  16. Bronze Shield Protection

    ActiveCorporation registered in SAM.gov

    Walnut, CA · 2 mi away

    Ask it
    Proof for Bronze Shield Protection
    SAM.gov registration
    SAM.gov S9U3BFU1A4G1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 8, 2027
    Checked
    Oct 23, 2026
    Where
    Walnut, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Bronze Shield Protection

    ActivePrivate Patrol Operator

    Walnut, CA · 2 mi away

    Ask it
    Proof for Bronze Shield Protection
    License
    DCA BSIS-PPO-121534
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Aug 31, 2028
    Checked
    Oct 23, 2026
    Where
    Walnut, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 121534 → California Department of Consumer Affairs search

  18. Guard Systems Inc

    ActivePPO Branch

    Pomona, CA · 5 mi away

    Ask it
    Proof for Guard Systems Inc
    License
    DCA BSIS-PPB-4543
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    PPO Branch
    Expires
    May 31, 2028
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 4543 → California Department of Consumer Affairs search

  19. La Film Security Services

    ActivePrivate Patrol Operator

    Pomona, CA · 5 mi away

    Ask it
    Proof for La Film Security Services
    License
    DCA BSIS-PPO-121749
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Pomona, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 121749 → California Department of Consumer Affairs search

  20. Master's Patrol Private Security

    ActivePrivate Patrol Operator

    Walnut, CA · 2 mi away

    Ask it
    Proof for Master's Patrol Private Security
    License
    DCA BSIS-PPO-15364
    Issuer
    California Department of Consumer Affairs
    Status
    Active
    Class
    Private Patrol Operator
    Expires
    Jul 31, 2027
    Checked
    Oct 23, 2026
    Where
    Walnut, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 15364 → California Department of Consumer Affairs search

More cities in California

Los Angeles 343San Diego 149Sacramento 142San Francisco 103San Jose 95Riverside 77Irvine 72Fresno 68Oakland 66Corona 60Chatsworth 57Anaheim 56Woodland Hills 55Bakersfield 52Long Beach 48Beverly Hills 47

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