Civic Intelligence

Koyo Corporation

Plan context: Denso Air Systems Michigan Inc. Retirement Plan

EIN 38-2740199 • 47 filings • 9 plans

Current Snapshot

Latest Year

2024

2024 Participants

232

2024 Assets

$7,790,332

2024 Contributions

$1,138,796

Historical Graphs

Total Assets Over Time

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

$11,361,906$5,680,953$0200120132023YearValue
$7,790,332Latest year 2023

Participants Over Time

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

3821910199920122024YearValue
232Latest year 2024

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
20241232$0$0-
Koyo Corporation Health Benefit Plan-232---
20232221$7,790,332$1,138,796$5,153iApproximate average salary by contribution assumption: employee only about $128,823 at 4% or $85,882 at 6%; with 50% employer match about $85,882 at 4% or $57,255 at 6%; with 100% employer match about $64,412 at 4% or $42,941 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-220$7,790,332$1,138,796$5,176iApproximate average salary by contribution assumption: employee only about $129,409 at 4% or $86,272 at 6%; with 50% employer match about $86,272 at 4% or $57,515 at 6%; with 100% employer match about $64,704 at 4% or $43,136 at 6%.
Koyo Corporation Health Benefit Plan-221---
20222182$6,712,830$915,906$5,032iApproximate average salary by contribution assumption: employee only about $125,811 at 4% or $83,874 at 6%; with 50% employer match about $83,874 at 4% or $55,916 at 6%; with 100% employer match about $62,906 at 4% or $41,937 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-171$6,712,830$915,906$5,356iApproximate average salary by contribution assumption: employee only about $133,904 at 4% or $89,270 at 6%; with 50% employer match about $89,270 at 4% or $59,513 at 6%; with 100% employer match about $66,952 at 4% or $44,635 at 6%.
Koyo Corporation Health Benefit Plan-182---
20212178$11,361,906$936,574$5,262iApproximate average salary by contribution assumption: employee only about $131,541 at 4% or $87,694 at 6%; with 50% employer match about $87,694 at 4% or $58,463 at 6%; with 100% employer match about $65,771 at 4% or $43,847 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-178$11,361,906$936,574$5,262iApproximate average salary by contribution assumption: employee only about $131,541 at 4% or $87,694 at 6%; with 50% employer match about $87,694 at 4% or $58,463 at 6%; with 100% employer match about $65,771 at 4% or $43,847 at 6%.
Koyo Corporation Health Benefit Plan-165---
20202221$10,392,165$830,080$3,756iApproximate average salary by contribution assumption: employee only about $93,900 at 4% or $62,600 at 6%; with 50% employer match about $62,600 at 4% or $41,734 at 6%; with 100% employer match about $46,950 at 4% or $31,300 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-221$10,392,165$830,080$3,756iApproximate average salary by contribution assumption: employee only about $93,900 at 4% or $62,600 at 6%; with 50% employer match about $62,600 at 4% or $41,734 at 6%; with 100% employer match about $46,950 at 4% or $31,300 at 6%.
Koyo Corporation Health Benefit Plan-208---
20192245$10,160,790$813,299$3,320iApproximate average salary by contribution assumption: employee only about $82,990 at 4% or $55,326 at 6%; with 50% employer match about $55,326 at 4% or $36,884 at 6%; with 100% employer match about $41,495 at 4% or $27,663 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-243$10,160,790$813,299$3,347iApproximate average salary by contribution assumption: employee only about $83,673 at 4% or $55,782 at 6%; with 50% employer match about $55,782 at 4% or $37,188 at 6%; with 100% employer match about $41,836 at 4% or $27,891 at 6%.
Koyo Corporation Health Benefit Plan-245---
20182256$8,955,256$734,947$2,871iApproximate average salary by contribution assumption: employee only about $71,772 at 4% or $47,848 at 6%; with 50% employer match about $47,848 at 4% or $31,899 at 6%; with 100% employer match about $35,886 at 4% or $23,924 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-246$8,955,256$734,947$2,988iApproximate average salary by contribution assumption: employee only about $74,690 at 4% or $49,793 at 6%; with 50% employer match about $49,793 at 4% or $33,195 at 6%; with 100% employer match about $37,345 at 4% or $24,897 at 6%.
Koyo Corporation Health Benefit Plan-256---
20172270$9,522,145$764,343$2,831iApproximate average salary by contribution assumption: employee only about $70,773 at 4% or $47,182 at 6%; with 50% employer match about $47,182 at 4% or $31,454 at 6%; with 100% employer match about $35,386 at 4% or $23,591 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-263$9,522,145$764,343$2,906iApproximate average salary by contribution assumption: employee only about $72,656 at 4% or $48,437 at 6%; with 50% employer match about $48,437 at 4% or $32,292 at 6%; with 100% employer match about $36,328 at 4% or $24,219 at 6%.
Koyo Corporation Health Benefit Plan-270---
20162279$8,551,742$972,858$3,487iApproximate average salary by contribution assumption: employee only about $87,174 at 4% or $58,116 at 6%; with 50% employer match about $58,116 at 4% or $38,744 at 6%; with 100% employer match about $43,587 at 4% or $29,058 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-279$8,551,742$972,858$3,487iApproximate average salary by contribution assumption: employee only about $87,174 at 4% or $58,116 at 6%; with 50% employer match about $58,116 at 4% or $38,744 at 6%; with 100% employer match about $43,587 at 4% or $29,058 at 6%.
Koyo Corporation Health Benefit Plan-211---
20152329$7,835,843$955,238$2,903iApproximate average salary by contribution assumption: employee only about $72,586 at 4% or $48,391 at 6%; with 50% employer match about $48,391 at 4% or $32,261 at 6%; with 100% employer match about $36,293 at 4% or $24,195 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-324$7,835,843$955,238$2,948iApproximate average salary by contribution assumption: employee only about $73,707 at 4% or $49,138 at 6%; with 50% employer match about $49,138 at 4% or $32,759 at 6%; with 100% employer match about $36,853 at 4% or $24,569 at 6%.
Koyo Corporation Health Benefit Plan-329---
20142308$7,721,858$829,141$2,692iApproximate average salary by contribution assumption: employee only about $67,300 at 4% or $44,867 at 6%; with 50% employer match about $44,867 at 4% or $29,911 at 6%; with 100% employer match about $33,650 at 4% or $22,433 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-264$7,721,858$829,141$3,141iApproximate average salary by contribution assumption: employee only about $78,517 at 4% or $52,345 at 6%; with 50% employer match about $52,345 at 4% or $34,897 at 6%; with 100% employer match about $39,259 at 4% or $26,172 at 6%.
Koyo Corporation Health Benefit Plan-308---
20132259$7,663,822$677,124$2,614iApproximate average salary by contribution assumption: employee only about $65,359 at 4% or $43,573 at 6%; with 50% employer match about $43,573 at 4% or $29,049 at 6%; with 100% employer match about $32,680 at 4% or $21,786 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-241$7,663,822$677,124$2,810iApproximate average salary by contribution assumption: employee only about $70,241 at 4% or $46,827 at 6%; with 50% employer match about $46,827 at 4% or $31,218 at 6%; with 100% employer match about $35,121 at 4% or $23,414 at 6%.
Koyo Corporation Health Benefit Plan-259---
20122252$6,516,495$642,790$2,551iApproximate average salary by contribution assumption: employee only about $63,769 at 4% or $42,513 at 6%; with 50% employer match about $42,513 at 4% or $28,342 at 6%; with 100% employer match about $31,884 at 4% or $21,256 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-248$6,516,495$642,790$2,592iApproximate average salary by contribution assumption: employee only about $64,797 at 4% or $43,198 at 6%; with 50% employer match about $43,198 at 4% or $28,799 at 6%; with 100% employer match about $32,399 at 4% or $21,599 at 6%.
Koyo Corporation Health Benefit Plan-252---
20112253$6,287,122$560,561$2,216iApproximate average salary by contribution assumption: employee only about $55,391 at 4% or $36,928 at 6%; with 50% employer match about $36,928 at 4% or $24,618 at 6%; with 100% employer match about $27,696 at 4% or $18,464 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-238$6,287,122$560,561$2,355iApproximate average salary by contribution assumption: employee only about $58,882 at 4% or $39,255 at 6%; with 50% employer match about $39,255 at 4% or $26,170 at 6%; with 100% employer match about $29,441 at 4% or $19,627 at 6%.
Koyo Corporation Health Benefit Plan-253---
20102228$6,555,278$548,351$2,405iApproximate average salary by contribution assumption: employee only about $60,126 at 4% or $40,084 at 6%; with 50% employer match about $40,084 at 4% or $26,723 at 6%; with 100% employer match about $30,063 at 4% or $20,042 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-228$6,555,278$548,351$2,405iApproximate average salary by contribution assumption: employee only about $60,126 at 4% or $40,084 at 6%; with 50% employer match about $40,084 at 4% or $26,723 at 6%; with 100% employer match about $30,063 at 4% or $20,042 at 6%.
Koyo Corporation Health Benefit Plan-212---
20092227$5,677,821$498,351$2,195iApproximate average salary by contribution assumption: employee only about $54,884 at 4% or $36,590 at 6%; with 50% employer match about $36,590 at 4% or $24,393 at 6%; with 100% employer match about $27,442 at 4% or $18,295 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-227$5,677,821$498,351$2,195iApproximate average salary by contribution assumption: employee only about $54,884 at 4% or $36,590 at 6%; with 50% employer match about $36,590 at 4% or $24,393 at 6%; with 100% employer match about $27,442 at 4% or $18,295 at 6%.
Koyo Corporation Health Benefit Plan-227---
20082313$5,801,892$770,643$2,462iApproximate average salary by contribution assumption: employee only about $61,553 at 4% or $41,035 at 6%; with 50% employer match about $41,035 at 4% or $27,357 at 6%; with 100% employer match about $30,776 at 4% or $20,518 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-313$5,801,892$770,643$2,462iApproximate average salary by contribution assumption: employee only about $61,553 at 4% or $41,035 at 6%; with 50% employer match about $41,035 at 4% or $27,357 at 6%; with 100% employer match about $30,776 at 4% or $20,518 at 6%.
Koyo Corporation Health Benefit Plan-300---
20072332$8,035,342$881,819$2,656iApproximate average salary by contribution assumption: employee only about $66,402 at 4% or $44,268 at 6%; with 50% employer match about $44,268 at 4% or $29,512 at 6%; with 100% employer match about $33,201 at 4% or $22,134 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-332$8,035,342$881,819$2,656iApproximate average salary by contribution assumption: employee only about $66,402 at 4% or $44,268 at 6%; with 50% employer match about $44,268 at 4% or $29,512 at 6%; with 100% employer match about $33,201 at 4% or $22,134 at 6%.
Koyo Corporation Health Benefit Plan-321---
20062341$7,686,525$1,016,029$2,980iApproximate average salary by contribution assumption: employee only about $74,489 at 4% or $49,659 at 6%; with 50% employer match about $49,659 at 4% or $33,106 at 6%; with 100% employer match about $37,244 at 4% or $24,830 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-341$7,686,525$1,016,029$2,980iApproximate average salary by contribution assumption: employee only about $74,489 at 4% or $49,659 at 6%; with 50% employer match about $49,659 at 4% or $33,106 at 6%; with 100% employer match about $37,244 at 4% or $24,830 at 6%.
Koyo Corporation Health Benefit Plan-329---
20051369$0$3,015,785$8,173iApproximate average salary by contribution assumption: employee only about $204,321 at 4% or $136,214 at 6%; with 50% employer match about $136,214 at 4% or $90,810 at 6%; with 100% employer match about $102,161 at 4% or $68,107 at 6%.
Koyo Corporation Health Benefit Plan-369-$3,015,785$8,173iApproximate average salary by contribution assumption: employee only about $204,321 at 4% or $136,214 at 6%; with 50% employer match about $136,214 at 4% or $90,810 at 6%; with 100% employer match about $102,161 at 4% or $68,107 at 6%.
20042377$6,337,712$3,903,306$10,354iApproximate average salary by contribution assumption: employee only about $258,840 at 4% or $172,560 at 6%; with 50% employer match about $172,560 at 4% or $115,040 at 6%; with 100% employer match about $129,420 at 4% or $86,280 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-367$6,337,712$970,470$2,644iApproximate average salary by contribution assumption: employee only about $66,108 at 4% or $44,072 at 6%; with 50% employer match about $44,072 at 4% or $29,381 at 6%; with 100% employer match about $33,054 at 4% or $22,036 at 6%.
Koyo Corporation Health Benefit Plan-377-$2,932,836$7,779iApproximate average salary by contribution assumption: employee only about $194,485 at 4% or $129,657 at 6%; with 50% employer match about $129,657 at 4% or $86,438 at 6%; with 100% employer match about $97,243 at 4% or $64,828 at 6%.
20032382$5,514,619$4,262,588$11,159iApproximate average salary by contribution assumption: employee only about $278,965 at 4% or $185,977 at 6%; with 50% employer match about $185,977 at 4% or $123,985 at 6%; with 100% employer match about $139,483 at 4% or $92,988 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-373$5,514,619$936,890$2,512iApproximate average salary by contribution assumption: employee only about $62,794 at 4% or $41,863 at 6%; with 50% employer match about $41,863 at 4% or $27,909 at 6%; with 100% employer match about $31,397 at 4% or $20,931 at 6%.
Koyo Corporation Health Benefit Plan-382-$3,325,698$8,706iApproximate average salary by contribution assumption: employee only about $217,650 at 4% or $145,100 at 6%; with 50% employer match about $145,100 at 4% or $96,734 at 6%; with 100% employer match about $108,825 at 4% or $72,550 at 6%.
20022364$4,037,061$3,316,915$9,112iApproximate average salary by contribution assumption: employee only about $227,810 at 4% or $151,873 at 6%; with 50% employer match about $151,873 at 4% or $101,249 at 6%; with 100% employer match about $113,905 at 4% or $75,937 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-342$4,037,061$851,414$2,490iApproximate average salary by contribution assumption: employee only about $62,238 at 4% or $41,492 at 6%; with 50% employer match about $41,492 at 4% or $27,661 at 6%; with 100% employer match about $31,119 at 4% or $20,746 at 6%.
Koyo Corporation Health Benefit Plan-364-$2,465,501$6,773iApproximate average salary by contribution assumption: employee only about $169,334 at 4% or $112,889 at 6%; with 50% employer match about $112,889 at 4% or $75,259 at 6%; with 100% employer match about $84,667 at 4% or $56,445 at 6%.
20012369$4,135,492$2,929,641$7,939iApproximate average salary by contribution assumption: employee only about $198,485 at 4% or $132,323 at 6%; with 50% employer match about $132,323 at 4% or $88,216 at 6%; with 100% employer match about $99,243 at 4% or $66,162 at 6%.
Denso Air Systems Michigan Inc. Retirement Plan-356$4,135,492$889,587$2,499iApproximate average salary by contribution assumption: employee only about $62,471 at 4% or $41,647 at 6%; with 50% employer match about $41,647 at 4% or $27,765 at 6%; with 100% employer match about $31,235 at 4% or $20,824 at 6%.
Koyo Corporation Health Benefit Plan-369-$2,040,054$5,529iApproximate average salary by contribution assumption: employee only about $138,215 at 4% or $92,143 at 6%; with 50% employer match about $92,143 at 4% or $61,429 at 6%; with 100% employer match about $69,108 at 4% or $46,072 at 6%.
1999122$0$1,261,220$57,328iApproximate average salary by contribution assumption: employee only about $1,433,205 at 4% or $955,470 at 6%; with 50% employer match about $955,470 at 4% or $636,980 at 6%; with 100% employer match about $716,602 at 4% or $477,735 at 6%.
Koyo Corporation Health Benefit Plan-22-$1,261,220$57,328iApproximate average salary by contribution assumption: employee only about $1,433,205 at 4% or $955,470 at 6%; with 50% employer match about $955,470 at 4% or $636,980 at 6%; with 100% employer match about $716,602 at 4% or $477,735 at 6%.