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Society of Tribologists and Lubrication Engineers

EIN 36-2041016Park Ridge, ILScience & TechLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Oct 15, 2026, 4:45 PM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
509(a)(2)

$3.4Mrevenue
FY2025 · −4% in 3 yrs
11staff
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$1.0M$2.0M$3.0M$4.0M’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin6.1%
Months of reserve3.3mo
Revenue growth (annualized)+1.2%
Middle half of peersMedianSociety of Tribologists and Lubrication Engineers
Where the money goes FY2025 · $3.2M spent
Programs$2.7M84%Management and general$513k16%990 FY2025 · Part IX line 25