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NAICS 813910 · Business Associations

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Business association in Castle Rock, CO

15 business association in Castle Rock, CO; 624 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Aluminum Foil Container Manufacturers Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Aluminum Foil Container Manufacturers Association
    IRS exempt-organization registration
    IRS 251113766
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 251113766 → IRS search

  2. Association of Image Consultants IN Ternational USA Chapter

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Association of Image Consultants IN Ternational USA Chapter
    IRS exempt-organization registration
    IRS 393052604
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 393052604 → IRS search

  3. Association of Old Crows

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Association of Old Crows
    IRS exempt-organization registration
    IRS 521269320
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 521269320 → IRS search

  4. Castle Rock Chamber of Commerce

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Chamber of Commerce
    IRS exempt-organization registration
    IRS 840802658
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 840802658 → IRS search

  5. Castle Rock Economic Development Council Inc

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Economic Development Council Inc
    IRS exempt-organization registration
    IRS 841445735
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841445735 → IRS search

  6. Castle Rock Merchants Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Merchants Association
    IRS exempt-organization registration
    IRS 300145865
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 300145865 → IRS search

  7. Colorado Assessors Association

    Active501(c)(4) social welfare organization

    Castle Rock, CO

    Ask it
    Proof for Colorado Assessors Association
    IRS exempt-organization registration
    IRS 841179322
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841179322 → IRS search

  8. Colorado Association of Electrologists

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Colorado Association of Electrologists
    IRS exempt-organization registration
    IRS 465028852
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 465028852 → IRS search

  9. Colorado Association of Pretrial Services

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Colorado Association of Pretrial Services
    IRS exempt-organization registration
    IRS 202384017
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 202384017 → IRS search

  10. Colorado Orthodontic Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Colorado Orthodontic Association
    IRS exempt-organization registration
    IRS 753066754
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 753066754 → IRS search

  11. Colorado Veterans Chamber of Commerce

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Colorado Veterans Chamber of Commerce
    IRS exempt-organization registration
    IRS 922633466
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 922633466 → IRS search

  12. Colorado Water Quality Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Colorado Water Quality Association
    IRS exempt-organization registration
    IRS 840776107
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 840776107 → IRS search

  13. Denver Colorado Executive Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Denver Colorado Executive Association
    IRS exempt-organization registration
    IRS 270996753
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 270996753 → IRS search

  14. Douglas Elbert County Bar Association Inc

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Douglas Elbert County Bar Association Inc
    IRS exempt-organization registration
    IRS 840935102
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 840935102 → IRS search

  15. Rocky Mountain Antiquarian Booksellers Association

    Active501(c)(6) business league

    Castle Rock, CO

    Ask it
    Proof for Rocky Mountain Antiquarian Booksellers Association
    IRS exempt-organization registration
    IRS 844172884
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 844172884 → IRS search

  16. Castle Pines Chamber of Commerce

    Active501(c)(6) business league

    Castle Pines, CO · 5 mi away

    Ask it
    Proof for Castle Pines Chamber of Commerce
    IRS exempt-organization registration
    IRS 208544920
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Pines, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 208544920 → IRS search

  17. Healthcare Industry Packaging Organization

    Active501(c)(6) business league

    Castle Pines, CO · 5 mi away

    Ask it
    Proof for Healthcare Industry Packaging Organization
    IRS exempt-organization registration
    IRS 920992430
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Pines, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 920992430 → IRS search

  18. Rocky Mountain Franchise Owners Assn

    Active501(c)(6) business league

    Castle Pines, CO · 5 mi away

    Ask it
    Proof for Rocky Mountain Franchise Owners Assn
    IRS exempt-organization registration
    IRS 208875899
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Pines, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 208875899 → IRS search

  19. Workers Compensation Coalition

    Active501(c)(6) business league

    Castle Pines, CO · 5 mi away

    Ask it
    Proof for Workers Compensation Coalition
    IRS exempt-organization registration
    IRS 841153879
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(6) business league
    Checked
    Oct 23, 2026
    Where
    Castle Pines, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841153879 → IRS search

  20. Diar Foundation, Not-For-Profits

    ActiveInternational organization registered in SAM.gov

    Parker, CO · 8 mi away

    Ask it
    Proof for Diar Foundation, Not-For-Profits
    SAM.gov registration
    SAM.gov LCFURNLGGAD4
    Issuer
    SAM.gov
    Status
    Active
    Class
    International organization registered in SAM.gov
    Expires
    Apr 24, 2027
    Checked
    Oct 23, 2026
    Where
    Parker, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

More cities in Colorado

Denver 303Colorado Spgs 136Englewood 50Centennial 46Aurora 42Littleton 42Boulder 40Lakewood 36Fort Collins 32Arvada 30Longmont 20Grand Jct 19Loveland 18Parker 18Westminster 17Pueblo 15

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