Articles of Incorporation (.docx)
Articles of Incorporation (.pdf)
Big Rex Entity Information (Arizona Corporation Commission) – June 18, 2019
Corp Formation Approval – July 10, 2018
EIN 83-1191473 – July 11, 2018
DUNS Number – 121000057
Form 1023-EZ Application for 501(c)3 status – January 2, 2019
501(c)3 IRS Tax Exemption Approval – Official Determination Letter – February 25, 2019
IRS Publication 4221-PC – Compliance Guide for 501(c)3 Public Charities
Big Rex Software Trade Name Certificate – March 13, 2019
IRS Exempt Organization Search (Form 990-N e-Postcard filings) – Search for: EIN 83-1191473 or Big Rex
2022 Form 990-N e-Postcard – Most recent tax year
NTEE Code U40 – Engineering & Technology
Organizations that conduct research in the area of science which applies mathematical and scientific principles to the solution of practical problems for the benefit of society.
NAICS Codes:
541611 – Administrative Management and General Management Consulting Services
541511 – Custom Computer Programming Services