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Nonprofit · EIN 39-1756037

ILLUMINUS INC

Tax-exempt · WATERTOWN, WI 53098

Financials

$11.7M$8.4M2022$16.9M$12.2M2023$18.2M$15M2024
Revenue Expenses · by fiscal year end
Financials of ILLUMINUS INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$18,174,205$15,044,983$3,129,222$20,670,496$3,146,501$17,523,995
June 30, 2024990$16,932,736$12,208,899$4,723,837$16,937,212$2,543,774$14,393,438
June 30, 2023990$11,705,990$8,435,905$3,270,085$12,014,233$2,350,685$9,663,548
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$18,092,142
Investment income
$82,063
Net gain from sales of assets
$876
Other revenue
$0

Expenses

Grants and similar amounts paid
$7,500
Other salaries and wages
$9,249,180
Salaries, compensation and benefits (total)
$11,074,879
Professional fundraising fees
$0
Legal fees
$177,465
Accounting fees
$37,510
Occupancy
$104,870
Depreciation
$88,266
Program services (functional)
$14,434,246
Management and general (functional)
$610,737

Balance sheet and other

Total assets, start of year
$16,937,212
Total assets, end of year
$20,670,496
Total liabilities, end of year
$3,146,501
Net assets, end of year
$17,523,995
Land, buildings and equipment
$1,064,285
Publicly traded securities
$1,366,372
Net assets without donor restrictions
$17,523,995
Gross unrelated business income
$2,636,734
Gross receipts
$20,386,338
Employees
0
Volunteers
9
Year formed
1992
State of legal domicile
WI

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationFrom related orgsOther / benefits
MATTHEW MAUTHECEO
Officer
5$0$669,611$27,113
MICHAEL LIBBYSVP OF OPERATIONS
Officer
5$0$331,150$22,078
NICOLE CHWALACFO
Officer
5$0$297,163$26,894
JUSTIN MUNZELSENIOR VP OF COMMONHEART
Key employee
5$0$222,386$25,787
MARK PIETROWIAKVP OF BUSINESS DEVELOPMENT
Key employee
5$0$219,632$26,648
JEFF HACKELSVP OF HR
Key employee
5$0$221,648$22,887
SHERRY CIRASVP OF ADMINISTRATION
Key employee
5$0$231,019$7,476
DAVID BERTSCHSVP OF FACILITIES AND CONSTRUCTION
Highest-paid employee
5$0$180,010$16,711
KEITH VANLANDUYTSVP OF MARKETING AND PHILANTHROPY
Highest-paid employee
5$0$188,017$7,192
JENNIFER JOHNSONEXECUTIVE DIRECTOR-THE MAR
Key employee
5$0$163,698$22,802
GARY THORPEVP OF HUMAN RESOURCES
Key employee
5$0$160,918$21,600
MIKE JONESEXECUTIVE DIRECTOR
Highest-paid employee
5$0$165,761$14,179
SUZANNE WHITTYEXECUTIVE DIRECTOR
Highest-paid employee
5$0$150,061$13,407
NICOLE MARTINSVP OF SALES
Highest-paid employee
5$0$133,166$5,306
KEN SMITHPRESIDENT OF ILLUMINUS
Officer
5$0$74,009$3,046
9 more people on this return
NameTitleHours / weekCompensation
TODD FISCHERPRESIDENT
Trustee or director
0.5$0
ROBERT MEIDENBAUERSECRETARY/TREASURER
Trustee or director
0.5$0
SCOTT DETTMANNASST SECRETARY/ASST TREASURER
Trustee or director
0.5$0
DENNIS KONKOLBOARD MEMBER
Trustee or director
0.5$0
KEVIN KOHLHOFFBOARD MEMBER
Trustee or director
0.5$0
REV KATE VAN DER LINDENBOARD MEMBER
Trustee or director
0.5$0
LYNNE WAGNERBOARD MEMBER
Trustee or director
0.5$0
STEVER HEROUXBOARD MEMBER
Trustee or director
0.5$0
JULIE MARKSCFO
Officer
5$0
990 for the year ended June 30, 2024: 21 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
MATTHEW MAUTHECEO
Officer
5$0$626,375$32,309
NICOLE CHWALACFO
Officer
5$0$284,970$33,374
MICHAEL LIBBYSVP OF OPERATIONS
Officer
5$0$255,555$31,242
MARK PIETROWIAKVP OF BUSINESS DEVELOPMENT
Key employee
5$0$207,195$43,999
JUSTIN MUNZELSENIOR VP OF COMMONHEART
Key employee
5$0$211,685$34,516
JEFF HACKELSVP OF HR
Key employee
5$0$185,740$19,411
JENNIFER JOHNSONEXECUTIVE DIRECTOR-THE MAR
Key employee
5$0$160,731$33,156
SHERRY CIRASVP OF ADMINISTRATION
Key employee
5$0$184,843$5,193
JEFF HOFFMANVP OF CONSTRUCTION 9/1/23
Highest-paid employee
5$0$145,642$26,360
GARY THORPEVP OF HUMAN RESOURCES
Key employee
5$0$163,670$6,658
ROSE BORCKRN - SNF
Highest-paid employee
5$0$148,758$21,062
LISA WHITEDIRECTOR OF HOSPICE
Highest-paid employee
5$0$135,412$17,603
DAVE BERTSCHVP OF FACILITIES & CONSTRUCTION
Highest-paid employee
5$0$133,695$16,112
KEITH VANLANDUYTSVP OF MARKETING & PHILANT
Highest-paid employee
5$0$142,494$2,633
TODD FISCHERPRESIDENT
Trustee or director
0.5$0$0$0
ROBERT MEIDENBAUERSECRETARY/TREASURER
Trustee or director
0.5$0$0$0
SCOTT DETTMANNASST SECRETARY/ASST TREASU
Trustee or director
0.5$0$0$0
REV BRUCE NELSONBOARD MEMBER
Trustee or director
0.5$0$0$0
MIKE WILKESBOARD MEMBER
Trustee or director
0.5$0$0$0
REV KATIE VAN DER LINDENBOARD MEMBER
Trustee or director
0.5$0$0$0
KEVIN KOHLHOFFBOARD MEMBER
Trustee or director
0.5$0$0$0
990 for the year ended June 30, 2023: 18 people
NameTitleHours / weekCompensationFrom related orgsOther / benefits
MATTHEW MAUTHECEO
Officer
5$0$552,754$31,737
MICHAEL LIBBYSVP OF OPERATIONS
Officer
5$0$289,907$27,605
JUSTIN MUNZELSENIOR VP OF COMMONHEART
Key employee
5$0$227,440$8,895
NICOLE CHWALACFO
Officer
5$0$207,665$19,384
MARK PIETROWIAKVP OF BUSINESS DEVELOPMENT
Highest-paid employee
5$0$191,385$24,936
JEFF HACKELSVP OF HR
Key employee
5$0$185,741$5,307
JEFF HOFFMANVP OF CONSTRUCTION
Highest-paid employee
5$0$165,781$21,394
JENNIFER JOHNSONEXECUTIVE DIRECTOR-THE MARQUARDT
Key employee
5$0$155,818$21,521
SHERRY CIRASVP OF ADMINISTRATION
Key employee
5$0$172,711$3,670
GARY THORPEVP OF HUMAN RESOURCES
Highest-paid employee
5$0$162,038$6,410
KEITH VANLANDUYTSVP OF MARKETING & PHILANTHROPY
Highest-paid employee
5$0$142,495$454
LISA WHITEDIRECTOR OF HOSPICE
Highest-paid employee
5$0$122,791$11,148
TODD FISCHERPRESIDENT
Trustee or director
0.5$0$0$0
ROBERT MEIDENBAUERSECRETARY/TREASURER
Trustee or director
0.5$0$0$0
SCOTT DETTMANNASST SECRETARY/ASST TREASU
Trustee or director
0.5$0$0$0
REV BRUCE NELSONBOARD MEMBER
Trustee or director
0.5$0$0$0
MIKE WILKESBOARD MEMBER
Trustee or director
0.5$0$0$0
REV KATIE VAN DER LINDENBOARD MEMBER
Trustee or director
0.5$0$0$0

Address and contacts

Address (IRS master file)
1045 HILL ST, WATERTOWN, WI 53098-3015
Principal officer (990 for 2024)
MATTHEW MAUTHE, 1045 HILL STREET, WATERTOWN, WI 53098
Signed the 990
JULIE MARKS, CFO
Phone
(920) 261-0400
Return prepared by
CLIFTONLARSONALLEN LLP

Mission

GROUNDED IN FAITH, WE PROMOTE THE HEALTH AND WELL-BEING OF EACH INDIVIDUAL WE SERVE.

990 for the year ended June 30, 2025

Program accomplishments

  • ILLIMINUS, INC. F/K/A MARQUARDT MANAGEMENT SERVICES, INC. IS A MANAGEMENT COMPANY PROVIDING SERVICES TO MARQUARDT VILLAGE ENTITIES AND OTHER UNRELATED NONPROFIT RETIREMENT COMMUNITIES.
    Expenses $14,434,246 · grants $7,500 · revenue $15,455,408

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
39-1756037
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization, Type I
Donations deductible (Pub 78)
Supporting organization, 50% limit
Exempt since
1996
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Human services (P70)
Assets (IRS master file)
$20,670,496
Income (IRS master file)
$20,386,338

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$18,174,205$15,044,983$20,670,496IRS
990-TJune 2025–––IRS
990June 2024$16,932,736$12,208,899$16,937,212IRS
990-TJune 2024–––IRS
990June 2023$11,705,990$8,435,905$12,014,233XML
990-TJune 2023–––IRS
990June 2022$8,124,550$7,429,427$7,357,995IRS
990-TJune 2022–––IRS
990June 2021–––IRS
990June 2020–––IRS
990June 2019–––IRS
990June 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 39-1756037).

Questions about ILLUMINUS INC

What is the EIN of ILLUMINUS INC?
The employer identification number (EIN) of ILLUMINUS INC is 39-1756037.
Is ILLUMINUS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to ILLUMINUS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
Which annual return does ILLUMINUS INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ILLUMINUS INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ILLUMINUS INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of ILLUMINUS INC?
The 990 for the year ended June 30, 2025 names MATTHEW MAUTHE.
Who are the officers and directors of ILLUMINUS INC?
The 990 for the year ended June 30, 2025 lists 24 people; 0 received compensation from the organization.
How much revenue does ILLUMINUS INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $18,174,205, expenses of $15,044,983 and total assets of $20,670,496 at year end.

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