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David G. Axt, CCS, CSI ,SCIP
Senior Member
Username: david_axt

Post Number: 1749
Registered: 03-2002

Posted on Sunday, January 20, 2019 - 06:15 pm:   Edit PostDelete PostPrint Post

Those of you that are independent specifiers, what NAICS do you use for your occupation?
David G. Axt, CCS, CSI, SCIP
Specifications Consultant
Axt Consulting LLC
David J. Wyatt, CDT
Senior Member
Username: david_j_wyatt_cdt

Post Number: 283
Registered: 03-2011
Posted on Monday, January 21, 2019 - 09:27 am:   Edit PostDelete PostPrint Post


Thank you for bringing this to our attention. I, for one, was not aware of it. I am not sure how to use it at this point, but I am glad to know about it.
Colin Gilboy
Senior Member
Username: colin

Post Number: 457
Registered: 09-2005

Posted on Monday, January 21, 2019 - 09:52 am:   Edit PostDelete PostPrint Post

This is the activity code used in box B on an IRS business tax return. My guess would be

236200 - Nonresidential building construction
Colin Gilboy
Publisher, 4specs.com
702-505-9119 - Las Vegas
Jeffrey Wilson CSI CCS SCIP
Senior Member
Username: wilsonconsulting

Post Number: 267
Registered: 03-2006

Posted on Monday, January 21, 2019 - 11:25 am:   Edit PostDelete PostPrint Post

I never noticed this, but my accountant plugged in 541990 "All Other Professional, Scientific, and Technical Services" on the corporate tax return, which seems right.
Jeffrey Wilson CCS CSI SCIP
Wilson Consulting Inc
Ardmore PA
Guest (Unregistered Guest)
Unregistered guest
Posted on Tuesday, January 22, 2019 - 09:27 pm:   Edit PostDelete PostPrint Post

My accountant uses 541310 Architectural services.

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