Civic Intelligence

Isabella Corporation

Plan context: The Isabella Corporation Retirement Savings Plan

EIN 38-2079974 • Mt. Pleasant, MI • 37 filings • 4 plans

2201 Commerce DriveMt. Pleasant, MI 48858
Current Snapshot

Latest Year

2025

2025 Participants

58

2025 Assets

$4,291,016

2025 Contributions

$509,355

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$4,291,016$2,145,508$0200220142025YearValue
$4,291,016Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

58290200020132025YearValue
58Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025158$4,291,016$509,355$8,782iApproximate average salary by contribution assumption: employee only about $219,550 at 4% or $146,366 at 6%; with 50% employer match about $146,366 at 4% or $97,578 at 6%; with 100% employer match about $109,775 at 4% or $73,183 at 6%.
The Isabella Corporation Retirement Savings Plan-58$4,291,016$509,355$8,782iApproximate average salary by contribution assumption: employee only about $219,550 at 4% or $146,366 at 6%; with 50% employer match about $146,366 at 4% or $97,578 at 6%; with 100% employer match about $109,775 at 4% or $73,183 at 6%.
2024248$3,343,526$474,683$9,889iApproximate average salary by contribution assumption: employee only about $247,231 at 4% or $164,820 at 6%; with 50% employer match about $164,820 at 4% or $109,880 at 6%; with 100% employer match about $123,615 at 4% or $82,410 at 6%.
The Isabella Corporation Retirement Savings Plan-48$3,258,321$344,280$7,173iApproximate average salary by contribution assumption: employee only about $179,313 at 4% or $119,542 at 6%; with 50% employer match about $119,542 at 4% or $79,694 at 6%; with 100% employer match about $89,656 at 4% or $59,771 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-27$85,205$130,403$4,830iApproximate average salary by contribution assumption: employee only about $120,744 at 4% or $80,496 at 6%; with 50% employer match about $80,496 at 4% or $53,664 at 6%; with 100% employer match about $60,372 at 4% or $40,248 at 6%.
2023244$3,437,413$248,194$5,641iApproximate average salary by contribution assumption: employee only about $141,019 at 4% or $94,013 at 6%; with 50% employer match about $94,013 at 4% or $62,675 at 6%; with 100% employer match about $70,510 at 4% or $47,006 at 6%.
The Isabella Corporation Retirement Savings Plan-44$3,393,345$166,347$3,781iApproximate average salary by contribution assumption: employee only about $94,515 at 4% or $63,010 at 6%; with 50% employer match about $63,010 at 4% or $42,007 at 6%; with 100% employer match about $47,258 at 4% or $31,505 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-27$44,068$81,847$3,031iApproximate average salary by contribution assumption: employee only about $75,784 at 4% or $50,523 at 6%; with 50% employer match about $50,523 at 4% or $33,682 at 6%; with 100% employer match about $37,892 at 4% or $25,261 at 6%.
2022239$2,753,991$255,124$6,542iApproximate average salary by contribution assumption: employee only about $163,541 at 4% or $109,027 at 6%; with 50% employer match about $109,027 at 4% or $72,685 at 6%; with 100% employer match about $81,771 at 4% or $54,514 at 6%.
The Isabella Corporation Retirement Savings Plan-39$2,746,415$236,965$6,076iApproximate average salary by contribution assumption: employee only about $151,901 at 4% or $101,267 at 6%; with 50% employer match about $101,267 at 4% or $67,511 at 6%; with 100% employer match about $75,950 at 4% or $50,634 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-26$7,576$18,159$698iApproximate average salary by contribution assumption: employee only about $17,461 at 4% or $11,640 at 6%; with 50% employer match about $11,640 at 4% or $7,760 at 6%; with 100% employer match about $8,730 at 4% or $5,820 at 6%.
2021238$2,726,175$219,300$5,771iApproximate average salary by contribution assumption: employee only about $144,276 at 4% or $96,184 at 6%; with 50% employer match about $96,184 at 4% or $64,123 at 6%; with 100% employer match about $72,138 at 4% or $48,092 at 6%.
The Isabella Corporation Retirement Savings Plan-38$2,721,053$213,884$5,629iApproximate average salary by contribution assumption: employee only about $140,713 at 4% or $93,809 at 6%; with 50% employer match about $93,809 at 4% or $62,539 at 6%; with 100% employer match about $70,357 at 4% or $46,904 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-21$5,122$5,416$258iApproximate average salary by contribution assumption: employee only about $6,448 at 4% or $4,298 at 6%; with 50% employer match about $4,298 at 4% or $2,866 at 6%; with 100% employer match about $3,224 at 4% or $2,149 at 6%.
2020238$2,894,758$285,758$7,520iApproximate average salary by contribution assumption: employee only about $187,999 at 4% or $125,332 at 6%; with 50% employer match about $125,332 at 4% or $83,555 at 6%; with 100% employer match about $93,999 at 4% or $62,666 at 6%.
The Isabella Corporation Retirement Savings Plan-38$2,845,986$209,666$5,518iApproximate average salary by contribution assumption: employee only about $137,938 at 4% or $91,959 at 6%; with 50% employer match about $91,959 at 4% or $61,306 at 6%; with 100% employer match about $68,969 at 4% or $45,979 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-16$48,772$76,092$4,756iApproximate average salary by contribution assumption: employee only about $118,894 at 4% or $79,263 at 6%; with 50% employer match about $79,263 at 4% or $52,842 at 6%; with 100% employer match about $59,447 at 4% or $39,631 at 6%.
2019234$2,131,102$223,816$6,583iApproximate average salary by contribution assumption: employee only about $164,571 at 4% or $109,714 at 6%; with 50% employer match about $109,714 at 4% or $73,142 at 6%; with 100% employer match about $82,285 at 4% or $54,857 at 6%.
The Isabella Corporation Retirement Savings Plan-34$2,111,545$182,044$5,354iApproximate average salary by contribution assumption: employee only about $133,856 at 4% or $89,237 at 6%; with 50% employer match about $89,237 at 4% or $59,492 at 6%; with 100% employer match about $66,928 at 4% or $44,619 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-15$19,557$41,772$2,785iApproximate average salary by contribution assumption: employee only about $69,620 at 4% or $46,413 at 6%; with 50% employer match about $46,413 at 4% or $30,942 at 6%; with 100% employer match about $34,810 at 4% or $23,207 at 6%.
2018234$2,697,962$323,502$9,515iApproximate average salary by contribution assumption: employee only about $237,869 at 4% or $158,579 at 6%; with 50% employer match about $158,579 at 4% or $105,720 at 6%; with 100% employer match about $118,935 at 4% or $79,290 at 6%.
The Isabella Corporation Retirement Savings Plan-34$2,609,136$179,677$5,285iApproximate average salary by contribution assumption: employee only about $132,115 at 4% or $88,077 at 6%; with 50% employer match about $88,077 at 4% or $58,718 at 6%; with 100% employer match about $66,058 at 4% or $44,038 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-20$88,826$143,825$7,191iApproximate average salary by contribution assumption: employee only about $179,781 at 4% or $119,854 at 6%; with 50% employer match about $119,854 at 4% or $79,903 at 6%; with 100% employer match about $89,891 at 4% or $59,927 at 6%.
2017233$2,549,110$347,441$10,529iApproximate average salary by contribution assumption: employee only about $263,213 at 4% or $175,475 at 6%; with 50% employer match about $175,475 at 4% or $116,984 at 6%; with 100% employer match about $131,606 at 4% or $87,738 at 6%.
The Isabella Corporation Retirement Savings Plan-33$2,504,100$251,671$7,626iApproximate average salary by contribution assumption: employee only about $190,660 at 4% or $127,107 at 6%; with 50% employer match about $127,107 at 4% or $84,738 at 6%; with 100% employer match about $95,330 at 4% or $63,553 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-15$45,010$95,770$6,385iApproximate average salary by contribution assumption: employee only about $159,617 at 4% or $106,411 at 6%; with 50% employer match about $106,411 at 4% or $70,941 at 6%; with 100% employer match about $79,808 at 4% or $53,206 at 6%.
2016235$2,280,788$279,978$7,999iApproximate average salary by contribution assumption: employee only about $199,984 at 4% or $133,323 at 6%; with 50% employer match about $133,323 at 4% or $88,882 at 6%; with 100% employer match about $99,992 at 4% or $66,661 at 6%.
The Isabella Corporation Retirement Savings Plan-35$2,260,620$170,825$4,881iApproximate average salary by contribution assumption: employee only about $122,018 at 4% or $81,345 at 6%; with 50% employer match about $81,345 at 4% or $54,230 at 6%; with 100% employer match about $61,009 at 4% or $40,673 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-27$20,168$109,153$4,043iApproximate average salary by contribution assumption: employee only about $101,068 at 4% or $67,378 at 6%; with 50% employer match about $67,378 at 4% or $44,919 at 6%; with 100% employer match about $50,534 at 4% or $33,689 at 6%.
2015236$2,015,859$341,575$9,488iApproximate average salary by contribution assumption: employee only about $237,205 at 4% or $158,137 at 6%; with 50% employer match about $158,137 at 4% or $105,424 at 6%; with 100% employer match about $118,602 at 4% or $79,068 at 6%.
The Isabella Corporation Retirement Savings Plan-36$1,978,389$203,370$5,649iApproximate average salary by contribution assumption: employee only about $141,229 at 4% or $94,153 at 6%; with 50% employer match about $94,153 at 4% or $62,769 at 6%; with 100% employer match about $70,615 at 4% or $47,076 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-22$37,470$138,205$6,282iApproximate average salary by contribution assumption: employee only about $157,051 at 4% or $104,701 at 6%; with 50% employer match about $104,701 at 4% or $69,801 at 6%; with 100% employer match about $78,526 at 4% or $52,350 at 6%.
2014136$2,056,261$221,854$6,163iApproximate average salary by contribution assumption: employee only about $154,065 at 4% or $102,710 at 6%; with 50% employer match about $102,710 at 4% or $68,473 at 6%; with 100% employer match about $77,033 at 4% or $51,355 at 6%.
The Isabella Corporation Retirement Savings Plan-36$2,056,261$221,854$6,163iApproximate average salary by contribution assumption: employee only about $154,065 at 4% or $102,710 at 6%; with 50% employer match about $102,710 at 4% or $68,473 at 6%; with 100% employer match about $77,033 at 4% or $51,355 at 6%.
2013130$1,752,255$70,136$2,338iApproximate average salary by contribution assumption: employee only about $58,447 at 4% or $38,964 at 6%; with 50% employer match about $38,964 at 4% or $25,976 at 6%; with 100% employer match about $29,223 at 4% or $19,482 at 6%.
The Isabella Corporation Retirement Savings Plan-30$1,752,255$70,136$2,338iApproximate average salary by contribution assumption: employee only about $58,447 at 4% or $38,964 at 6%; with 50% employer match about $38,964 at 4% or $25,976 at 6%; with 100% employer match about $29,223 at 4% or $19,482 at 6%.
2012131$1,896,811$195,947$6,321iApproximate average salary by contribution assumption: employee only about $158,022 at 4% or $105,348 at 6%; with 50% employer match about $105,348 at 4% or $70,232 at 6%; with 100% employer match about $79,011 at 4% or $52,674 at 6%.
The Isabella Corporation Retirement Savings Plan-31$1,896,811$195,947$6,321iApproximate average salary by contribution assumption: employee only about $158,022 at 4% or $105,348 at 6%; with 50% employer match about $105,348 at 4% or $70,232 at 6%; with 100% employer match about $79,011 at 4% or $52,674 at 6%.
2011131$1,664,284$105,404$3,400iApproximate average salary by contribution assumption: employee only about $85,003 at 4% or $56,669 at 6%; with 50% employer match about $56,669 at 4% or $37,779 at 6%; with 100% employer match about $42,502 at 4% or $28,334 at 6%.
The Isabella Corporation Retirement Savings Plan-31$1,664,284$105,404$3,400iApproximate average salary by contribution assumption: employee only about $85,003 at 4% or $56,669 at 6%; with 50% employer match about $56,669 at 4% or $37,779 at 6%; with 100% employer match about $42,502 at 4% or $28,334 at 6%.
2010125$1,624,385$106,437$4,257iApproximate average salary by contribution assumption: employee only about $106,437 at 4% or $70,958 at 6%; with 50% employer match about $70,958 at 4% or $47,305 at 6%; with 100% employer match about $53,218 at 4% or $35,479 at 6%.
The Isabella Corporation Retirement Savings Plan-25$1,624,385$106,437$4,257iApproximate average salary by contribution assumption: employee only about $106,437 at 4% or $70,958 at 6%; with 50% employer match about $70,958 at 4% or $47,305 at 6%; with 100% employer match about $53,218 at 4% or $35,479 at 6%.
2009124$1,379,195$72,250$3,010iApproximate average salary by contribution assumption: employee only about $75,260 at 4% or $50,174 at 6%; with 50% employer match about $50,174 at 4% or $33,449 at 6%; with 100% employer match about $37,630 at 4% or $25,087 at 6%.
The Isabella Corporation Retirement Savings Plan-24$1,379,195$72,250$3,010iApproximate average salary by contribution assumption: employee only about $75,260 at 4% or $50,174 at 6%; with 50% employer match about $50,174 at 4% or $33,449 at 6%; with 100% employer match about $37,630 at 4% or $25,087 at 6%.
2008124$0$0-
The Isabella Corporation Retirement Savings Plan-24---
2007124$1,137,294$145,716$6,072iApproximate average salary by contribution assumption: employee only about $151,788 at 4% or $101,192 at 6%; with 50% employer match about $101,192 at 4% or $67,461 at 6%; with 100% employer match about $75,894 at 4% or $50,596 at 6%.
The Isabella Corporation Retirement Savings Plan-24$1,137,294$145,716$6,072iApproximate average salary by contribution assumption: employee only about $151,788 at 4% or $101,192 at 6%; with 50% employer match about $101,192 at 4% or $67,461 at 6%; with 100% employer match about $75,894 at 4% or $50,596 at 6%.
2006125$1,013,712$96,130$3,845iApproximate average salary by contribution assumption: employee only about $96,130 at 4% or $64,087 at 6%; with 50% employer match about $64,087 at 4% or $42,724 at 6%; with 100% employer match about $48,065 at 4% or $32,043 at 6%.
The Isabella Corporation Retirement Savings Plan-25$1,013,712$96,130$3,845iApproximate average salary by contribution assumption: employee only about $96,130 at 4% or $64,087 at 6%; with 50% employer match about $64,087 at 4% or $42,724 at 6%; with 100% employer match about $48,065 at 4% or $32,043 at 6%.
2005123$846,977$98,477$4,282iApproximate average salary by contribution assumption: employee only about $107,040 at 4% or $71,360 at 6%; with 50% employer match about $71,360 at 4% or $47,573 at 6%; with 100% employer match about $53,520 at 4% or $35,680 at 6%.
The Isabella Corporation Retirement Savings Plan-23$846,977$98,477$4,282iApproximate average salary by contribution assumption: employee only about $107,040 at 4% or $71,360 at 6%; with 50% employer match about $71,360 at 4% or $47,573 at 6%; with 100% employer match about $53,520 at 4% or $35,680 at 6%.
2004120$684,785$59,676$2,984iApproximate average salary by contribution assumption: employee only about $74,595 at 4% or $49,730 at 6%; with 50% employer match about $49,730 at 4% or $33,153 at 6%; with 100% employer match about $37,298 at 4% or $24,865 at 6%.
The Isabella Corporation Retirement Savings Plan-20$684,785$59,676$2,984iApproximate average salary by contribution assumption: employee only about $74,595 at 4% or $49,730 at 6%; with 50% employer match about $49,730 at 4% or $33,153 at 6%; with 100% employer match about $37,298 at 4% or $24,865 at 6%.
2003121$592,914$133,721$6,368iApproximate average salary by contribution assumption: employee only about $159,192 at 4% or $106,128 at 6%; with 50% employer match about $106,128 at 4% or $70,752 at 6%; with 100% employer match about $79,596 at 4% or $53,064 at 6%.
The Isabella Corporation Retirement Savings Plan-21$592,914$133,721$6,368iApproximate average salary by contribution assumption: employee only about $159,192 at 4% or $106,128 at 6%; with 50% employer match about $106,128 at 4% or $70,752 at 6%; with 100% employer match about $79,596 at 4% or $53,064 at 6%.
2002118$365,874$41,882$2,327iApproximate average salary by contribution assumption: employee only about $58,169 at 4% or $38,780 at 6%; with 50% employer match about $38,780 at 4% or $25,853 at 6%; with 100% employer match about $29,085 at 4% or $19,390 at 6%.
The Isabella Corporation Retirement Savings Plan-18$365,874$41,882$2,327iApproximate average salary by contribution assumption: employee only about $58,169 at 4% or $38,780 at 6%; with 50% employer match about $38,780 at 4% or $25,853 at 6%; with 100% employer match about $29,085 at 4% or $19,390 at 6%.
2001124$0$0-
The Isabella Corporation Retirement Savings Plan-24---
2000123$0$0-
The Isabella Corporation Retirement Savings Plan-23---
199910$0$0-
National Benefit Retirement Plan and Trust-0---