Callahan Inc.

Company facts

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 423410 Photographic Equipment and Supplies Merchant Wholesalers
• 423420 Office Equipment Merchant Wholesalers
• 423440 Other Commercial Equipment Merchant Wholesalers
• 423490 Other Professional Equipment and Supplies Merchant Wholesalers

SAM.gov registration date

Apr 29, 2026

Physical address

201 E Mississippi Ave #622, Denver, CO 80209, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated May 11, 2026.