LESO 1033 Program data comes from DLA Disposition Services eReading Room
You can see a mirror of that page as captured on August 12, 2015 and rendered on Github Pages
Or visit it in the stash folder in the git repo
Comes from the Federal Procurement Data System, which has a direct link to an Excel spreadsheet of PSC codes:
http://www.fpdsng.com/downloads/psc_data_Oct012015.xls
Since government sites can change, I've stashed mirrors for the relevant DoD and FPDS landing pages with links to copies of the data files, just in case you want to run my fetching scripts and get the same results:
The wget command that I used to do the mirrors:
wget --adjust-extension\
--no-directories \
--no-host-directories \
--recursive --level=1 \
--execute robots=off \
--convert-links --backup-converted \
--timestamping --page-requisites \
--directory-prefix=dispositionservices.dla.mil-1033 \
--user-agent="Mac OS X" \
http://www.dispositionservices.dla.mil/EFOIA-Privacy/Pages/ereadingroom.aspx
wget --adjust-extension -HD www.fpdsng.com \
--no-directories \
--no-host-directories \
--recursive --level=1 \
--execute robots=off \
--convert-links --backup-converted \
--timestamping --page-requisites \
--directory-prefix=fpds.gov-PSC \
--user-agent="Mac OS X" \
https://www.fpds.gov/wiki/index.php/PSC,_NAICS_and_more
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