Morton Arboretum

Environment and animals
Lisle, Illinois
EIN 36-1505770
Tax-exempt since 1925

Firms paid: 6
Fees reported, 2018–2024: $612K
Fees reported in 2024: $158K
Most Recent Reported Revenue: $57.8M

Fundraising fees by year

Per Form 990 Schedule G

Firms paid in 2024

$158,060 to 3 fundraisers · $158,060 in professional fundraising fees on the return

Fundraisers Morton Arboretum paid in 2024, from Form 990 Schedule G
Fundraiser	Filed as	Fee
Lemaster Marketing Group Inc.Telemarketing	Telemarketing	$79,899
LAMARCA HEINRICH STRATEGIC CONSULTING LLCCapital campaignsConsulting	Consulting	$60,011
Marts & LundyCapital campaignsConsulting	Consulting	$18,150

All firms paid

Fundraisers Morton Arboretum reported paying, all years
Fundraiser	Years	Total fees
Lemaster Marketing Group Inc.	2018–2024 · 6 years	$359,282
LAMARCA HEINRICH STRATEGIC CONSULTING LLCCapital campaigns	2022–2024 · 3 years	$159,303
Marts & LundyCapital campaigns	2020–2024 · 2 years	$60,075
Aluminate Inc.	2020	$20,000
Ssb Consulting Group	2022	$13,500

Form 990 Snapshot

Morton Arboretum's Form 990 figures by year
Tax year	Revenue	Contributions	Fundraising expenses	Professional fundraising fees
2024	$57.8M	$19.8M	$4.0M	$158K
2023	$45.1M	$18.2M	$3.7M	$146K
2022	$53.7M	$20.7M	$3.6M	$51K
2020	$28.9M	$11.9M	$3.0M	$62K
2019	$28.5M	$12.4M	$3.2M	$69K
2018	$55.5M	$15.2M	$3.1M	$23K

Fees are what Morton Arboretum reported on IRS Form 990. Nonprofits list only fundraisers paid $5,000 or more, and many book consultants under other expenses, so a nonprofit can have worked with firms that don't appear here. Last checked 2026-11-14.