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Wisconsin · Nonprofit

ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC

ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC (Wisconsin) receives grants from 1 organization whose IRS filings report $55,817 to it, the largest being MARQUARDT FOUNDATION INC ($55,817). 1 of them have funded it in more than one year.

$18M
Revenue FY2025
1
Funders on record
$56k
Grants received
$18M
Net assets
1/1 repeat funderspeak grant-dependency 0%

Against its field

ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC runs a healthier operating margin than three-quarters of the 2,000 human services nonprofits its size.

Operating margin17% · top quartile
Months of reserve0.6mo · bottom quartile
Revenue growth (annualized)25% · top quartile

this organization peer median middle 50% of peers· 2,000 human services nonprofits $10M–$100M, FY2025

Three funders worth looking at

Grantmakers with no record of funding this organization, ranked by how strongly the co-funder graph and the mission embeddings agree. The evidence is in section 03.

See all 12 prospects and why each one surfaced →
01The organization over time

The organization over time

Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20172017 Revenue 100 ($3.1M) Expenses 100 ($3.2M) Net assets 100 ($884k)2018 Revenue 140 ($4.3M) Expenses 92 ($2.9M) Net assets 262 ($2.3M)2019 Revenue 167 ($5.1M) Expenses 116 ($3.7M) Net assets 430 ($3.8M)2020 Revenue 177 ($5.5M) Expenses 151 ($4.8M) Net assets 508 ($4.5M)2021 Revenue 236 ($7.3M) Expenses 192 ($6.1M) Net assets 649 ($5.7M)2022 Revenue 263 ($8.1M) Expenses 235 ($7.4M) Net assets 722 ($6.4M)2023 Revenue 379 ($12M) Expenses 267 ($8.4M) Net assets 1093 ($9.7M)2024 Revenue 548 ($17M) Expenses 387 ($12M) Net assets 1628 ($14M)2025 Revenue 588 ($18M) Expenses 476 ($15M) Net assets 1982 ($18M)
'17'18'19'20'21'22'23'24'25
Revenue (588)Expenses (476)Net assets (1982)Peer revenue range

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2017
2018
2019
2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

0% of ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC’s revenue is contributions — more earned-revenue than three-quarters of its peers (21% for the typical peer).

This organization
Typical peer · 3,397 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 9 reported years ran a deficit.

−$68k
’17
$1.4M
’18
$1.5M
’19
$697k
’20
$1.2M
’21
$695k
’22
$3.3M
’23
$4.7M
’24
$3.1M
’25
0.6
months of
reserve
02Who funds it

Who funds it, year by year

Grant support over time, funder by funder — shade shows the grant size each year.

Funder
'20
'24*
total
funders
1
1

From the IRS filings of ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC’s funders (the co-funder graph). Association, not causation.

Where its funders are

100% of ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC's grant income comes from Wisconsin funders.

WI

Funder states come from each funder’s own filing.

03Its place in the field

Funders to approach

Grantmakers that don’t fund you yet, surfaced two ways: they back organizations that share your funders, or their grantees resemble your mission. The ones both signals agree on come first.

From the co-funder graph (funders backing at least two comparable organizations, shrunk for grantee count, donor-advised and mega-funds excluded) and the universe embeddings. A research starting point; overlap is association, not a guarantee of fit.

Organizations like ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC

Nonprofits whose mission and program text most resemble this one, by semantic similarity over the universe of US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Wisconsin

Illuminus Foundation Inc F/K/A Marquardt Foundation Inc87%Marquardt Memorial Manor Inc83%Moravian Homes Inc81%Mueller Apartments Inc81%Marquardt Village Inc80%St Camillus Communities Inc80%Commonheart Inc F/K/A Marquardt Home & Community Based80%Miravida Living Foundation80%

Nationally

Illuminus Foundation Inc F/K/A Marquardt Foundation Inc87%Marquardt Memorial Manor Inc83%Immanuel Retirement Communities Inc82%Wartburg Senior Housing Inc81%Moravian Homes Inc81%Mueller Apartments Inc81%Marquardt Village Inc80%St Camillus Communities Inc80%
04Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

96% of spending goes to programs.

Program 96%Management 4%Fundraising 0%

Governance

8
board members
100%
independent
✓Conflict-of-interest policy✓Whistleblower policy✓Document retention✓Board reviewed the 990✓Audited financials

Footprint & structure

Part of a family of 15 related entities

  • Marquardt Memorial Manor Inc · exempt
  • Marquardt Village Inc · exempt
  • Moravian Homes Inc · exempt
  • Mueller Apartments Inc · exempt
  • Commonheart Inc · exempt

Screen this organization

A dated, signed PDF of the compliance screen for ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

A paid feature, included from the $75 plan up. Sign in to download.

Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC?
ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC (Wisconsin) receives grants from 1 organization whose IRS filings report $55,817 to it, the largest being MARQUARDT FOUNDATION INC ($55,817). 1 of them have funded it in more than one year.
How many funders does ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC have?
IRS filings report 1 organization giving $55,817 in grants to ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC, 1 of which have funded it in more than one year.
Who is the largest funder of ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC?
MARQUARDT FOUNDATION INC is the largest funder on record, with $55,817 in grants. The full list of funders is on this page.
How can an organization like ILLUMINUS INC F/K/A MARQUARDT MANAGEMENT SERVICES INC find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Wisconsin. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 1funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. What this page cannot tell you · view filing