Civic Intelligence

Clean Air Engineering, Inc.

Plan context: Clean Air Engineering 401(K) Plan

EIN 36-2799477 • Palatine, IL • 50 filings • 6 plans

500 West Wood StreetPalatine, IL 60067
Current Snapshot

Latest Year

2025

2025 Participants

126

2025 Assets

$24,820,905

2025 Contributions

$757,385

Historical Graphs

Total Assets Over Time

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

$29,089,729$14,544,865$0200320142024YearValue
$24,820,905Latest year 2024

Participants Over Time

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

129650199920122025YearValue
126Latest 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
20251126$0$0-
Clean Air Engineering Inc Health and Welfare Benefit Plan-126---
20242128$24,820,905$757,385$5,917iApproximate average salary by contribution assumption: employee only about $147,927 at 4% or $98,618 at 6%; with 50% employer match about $98,618 at 4% or $65,745 at 6%; with 100% employer match about $73,963 at 4% or $49,309 at 6%.
Clean Air Engineering 401(K) Plan-99$24,820,905$757,385$7,650iApproximate average salary by contribution assumption: employee only about $191,259 at 4% or $127,506 at 6%; with 50% employer match about $127,506 at 4% or $85,004 at 6%; with 100% employer match about $95,629 at 4% or $63,753 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-128---
2023181$23,241,929$655,170$8,089iApproximate average salary by contribution assumption: employee only about $202,213 at 4% or $134,809 at 6%; with 50% employer match about $134,809 at 4% or $89,872 at 6%; with 100% employer match about $101,106 at 4% or $67,404 at 6%.
Clean Air Engineering 401(K) Plan-81$23,241,929$655,170$8,089iApproximate average salary by contribution assumption: employee only about $202,213 at 4% or $134,809 at 6%; with 50% employer match about $134,809 at 4% or $89,872 at 6%; with 100% employer match about $101,106 at 4% or $67,404 at 6%.
2022177$21,531,044$720,184$9,353iApproximate average salary by contribution assumption: employee only about $233,826 at 4% or $155,884 at 6%; with 50% employer match about $155,884 at 4% or $103,923 at 6%; with 100% employer match about $116,913 at 4% or $77,942 at 6%.
Clean Air Engineering 401(K) Plan-77$21,531,044$720,184$9,353iApproximate average salary by contribution assumption: employee only about $233,826 at 4% or $155,884 at 6%; with 50% employer match about $155,884 at 4% or $103,923 at 6%; with 100% employer match about $116,913 at 4% or $77,942 at 6%.
2021297$23,622,292$775,116$7,991iApproximate average salary by contribution assumption: employee only about $199,772 at 4% or $133,181 at 6%; with 50% employer match about $133,181 at 4% or $88,788 at 6%; with 100% employer match about $99,886 at 4% or $66,591 at 6%.
Clean Air Engineering 401(K) Plan-81$23,622,292$775,116$9,569iApproximate average salary by contribution assumption: employee only about $239,233 at 4% or $159,489 at 6%; with 50% employer match about $159,489 at 4% or $106,326 at 6%; with 100% employer match about $119,617 at 4% or $79,744 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-97---
20202104$29,089,729$818,837$7,873iApproximate average salary by contribution assumption: employee only about $196,836 at 4% or $131,224 at 6%; with 50% employer match about $131,224 at 4% or $87,483 at 6%; with 100% employer match about $98,418 at 4% or $65,612 at 6%.
Clean Air Engineering 401(K) Plan-96$29,089,729$818,837$8,530iApproximate average salary by contribution assumption: employee only about $213,239 at 4% or $142,159 at 6%; with 50% employer match about $142,159 at 4% or $94,773 at 6%; with 100% employer match about $106,619 at 4% or $71,080 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-104---
20192111$21,569,316$845,031$7,613iApproximate average salary by contribution assumption: employee only about $190,322 at 4% or $126,882 at 6%; with 50% employer match about $126,882 at 4% or $84,588 at 6%; with 100% employer match about $95,161 at 4% or $63,441 at 6%.
Clean Air Engineering 401(K) Plan-109$21,569,316$845,031$7,753iApproximate average salary by contribution assumption: employee only about $193,814 at 4% or $129,210 at 6%; with 50% employer match about $129,210 at 4% or $86,140 at 6%; with 100% employer match about $96,907 at 4% or $64,605 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-111---
20182112$21,318,554$819,696$7,319iApproximate average salary by contribution assumption: employee only about $182,968 at 4% or $121,979 at 6%; with 50% employer match about $121,979 at 4% or $81,319 at 6%; with 100% employer match about $91,484 at 4% or $60,989 at 6%.
Clean Air Engineering 401(K) Plan-105$21,318,554$819,696$7,807iApproximate average salary by contribution assumption: employee only about $195,166 at 4% or $130,110 at 6%; with 50% employer match about $130,110 at 4% or $86,740 at 6%; with 100% employer match about $97,583 at 4% or $65,055 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-112---
20172114$18,961,131$823,858$7,227iApproximate average salary by contribution assumption: employee only about $180,671 at 4% or $120,447 at 6%; with 50% employer match about $120,447 at 4% or $80,298 at 6%; with 100% employer match about $90,335 at 4% or $60,224 at 6%.
Clean Air Engineering 401(K) Plan-114$18,961,131$823,858$7,227iApproximate average salary by contribution assumption: employee only about $180,671 at 4% or $120,447 at 6%; with 50% employer match about $120,447 at 4% or $80,298 at 6%; with 100% employer match about $90,335 at 4% or $60,224 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-113---
20162129$17,122,729$840,946$6,519iApproximate average salary by contribution assumption: employee only about $162,974 at 4% or $108,649 at 6%; with 50% employer match about $108,649 at 4% or $72,433 at 6%; with 100% employer match about $81,487 at 4% or $54,325 at 6%.
Clean Air Engineering 401(K) Plan-118$17,122,729$840,946$7,127iApproximate average salary by contribution assumption: employee only about $178,167 at 4% or $118,778 at 6%; with 50% employer match about $118,778 at 4% or $79,185 at 6%; with 100% employer match about $89,083 at 4% or $59,389 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-129---
20152126$15,323,210$1,021,179$8,105iApproximate average salary by contribution assumption: employee only about $202,615 at 4% or $135,077 at 6%; with 50% employer match about $135,077 at 4% or $90,051 at 6%; with 100% employer match about $101,307 at 4% or $67,538 at 6%.
Clean Air Engineering 401(K) Plan-121$15,323,210$1,021,179$8,439iApproximate average salary by contribution assumption: employee only about $210,987 at 4% or $140,658 at 6%; with 50% employer match about $140,658 at 4% or $93,772 at 6%; with 100% employer match about $105,494 at 4% or $70,329 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-126---
20142127$15,211,572$714,752$5,628iApproximate average salary by contribution assumption: employee only about $140,699 at 4% or $93,799 at 6%; with 50% employer match about $93,799 at 4% or $62,533 at 6%; with 100% employer match about $70,350 at 4% or $46,900 at 6%.
Clean Air Engineering 401(K) Plan-116$15,211,572$714,752$6,162iApproximate average salary by contribution assumption: employee only about $154,041 at 4% or $102,694 at 6%; with 50% employer match about $102,694 at 4% or $68,463 at 6%; with 100% employer match about $77,021 at 4% or $51,347 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-127---
20132125$13,523,155$692,752$5,542iApproximate average salary by contribution assumption: employee only about $138,550 at 4% or $92,367 at 6%; with 50% employer match about $92,367 at 4% or $61,578 at 6%; with 100% employer match about $69,275 at 4% or $46,183 at 6%.
Clean Air Engineering 401(K) Plan-105$13,523,155$692,752$6,598iApproximate average salary by contribution assumption: employee only about $164,941 at 4% or $109,961 at 6%; with 50% employer match about $109,961 at 4% or $73,307 at 6%; with 100% employer match about $82,470 at 4% or $54,980 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-125---
20122118$12,780,414$746,075$6,323iApproximate average salary by contribution assumption: employee only about $158,067 at 4% or $105,378 at 6%; with 50% employer match about $105,378 at 4% or $70,252 at 6%; with 100% employer match about $79,033 at 4% or $52,689 at 6%.
Clean Air Engineering 401(K) Plan-112$12,780,414$746,075$6,661iApproximate average salary by contribution assumption: employee only about $166,535 at 4% or $111,023 at 6%; with 50% employer match about $111,023 at 4% or $74,015 at 6%; with 100% employer match about $83,267 at 4% or $55,512 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-118---
20112127$10,876,967$1,034,989$8,150iApproximate average salary by contribution assumption: employee only about $203,738 at 4% or $135,825 at 6%; with 50% employer match about $135,825 at 4% or $90,550 at 6%; with 100% employer match about $101,869 at 4% or $67,913 at 6%.
Clean Air Engineering 401(K) Plan-116$10,876,967$1,034,989$8,922iApproximate average salary by contribution assumption: employee only about $223,058 at 4% or $148,705 at 6%; with 50% employer match about $148,705 at 4% or $99,137 at 6%; with 100% employer match about $111,529 at 4% or $74,353 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-127---
20102126$10,313,739$867,610$6,886iApproximate average salary by contribution assumption: employee only about $172,145 at 4% or $114,763 at 6%; with 50% employer match about $114,763 at 4% or $76,509 at 6%; with 100% employer match about $86,072 at 4% or $57,382 at 6%.
Clean Air Engineering 401(K) Plan-114$10,313,739$867,610$7,611iApproximate average salary by contribution assumption: employee only about $190,265 at 4% or $126,844 at 6%; with 50% employer match about $126,844 at 4% or $84,562 at 6%; with 100% employer match about $95,133 at 4% or $63,422 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-126---
20092128$8,181,281$729,209$5,697iApproximate average salary by contribution assumption: employee only about $142,424 at 4% or $94,949 at 6%; with 50% employer match about $94,949 at 4% or $63,299 at 6%; with 100% employer match about $71,212 at 4% or $47,475 at 6%.
Clean Air Engineering 401(K) Plan-119$8,181,281$729,209$6,128iApproximate average salary by contribution assumption: employee only about $153,195 at 4% or $102,130 at 6%; with 50% employer match about $102,130 at 4% or $68,087 at 6%; with 100% employer match about $76,598 at 4% or $51,065 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-128---
20082118$5,616,269$780,372$6,613iApproximate average salary by contribution assumption: employee only about $165,333 at 4% or $110,222 at 6%; with 50% employer match about $110,222 at 4% or $73,481 at 6%; with 100% employer match about $82,667 at 4% or $55,111 at 6%.
Clean Air Engineering 401(K) Plan-102$5,616,269$780,372$7,651iApproximate average salary by contribution assumption: employee only about $191,268 at 4% or $127,512 at 6%; with 50% employer match about $127,512 at 4% or $85,008 at 6%; with 100% employer match about $95,634 at 4% or $63,756 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-118---
20072116$7,540,201$751,446$6,478iApproximate average salary by contribution assumption: employee only about $161,950 at 4% or $107,966 at 6%; with 50% employer match about $107,966 at 4% or $71,978 at 6%; with 100% employer match about $80,975 at 4% or $53,983 at 6%.
Clean Air Engineering 401(K) Plan-99$7,540,201$751,446$7,590iApproximate average salary by contribution assumption: employee only about $189,759 at 4% or $126,506 at 6%; with 50% employer match about $126,506 at 4% or $84,337 at 6%; with 100% employer match about $94,880 at 4% or $63,253 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-116---
20062102$6,929,622$505,578$4,957iApproximate average salary by contribution assumption: employee only about $123,916 at 4% or $82,611 at 6%; with 50% employer match about $82,611 at 4% or $55,074 at 6%; with 100% employer match about $61,958 at 4% or $41,305 at 6%.
Clean Air Engineering 401(K) Plan-89$6,929,622$505,578$5,681iApproximate average salary by contribution assumption: employee only about $142,016 at 4% or $94,678 at 6%; with 50% employer match about $94,678 at 4% or $63,118 at 6%; with 100% employer match about $71,008 at 4% or $47,339 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-102---
2005286$5,726,211$418,904$4,871iApproximate average salary by contribution assumption: employee only about $121,774 at 4% or $81,183 at 6%; with 50% employer match about $81,183 at 4% or $54,122 at 6%; with 100% employer match about $60,887 at 4% or $40,591 at 6%.
Clean Air Engineering 401(K) Plan-77$5,726,211$418,904$5,440iApproximate average salary by contribution assumption: employee only about $136,008 at 4% or $90,672 at 6%; with 50% employer match about $90,672 at 4% or $60,448 at 6%; with 100% employer match about $68,004 at 4% or $45,336 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-86---
2004289$4,493,852$415,931$4,673iApproximate average salary by contribution assumption: employee only about $116,835 at 4% or $77,890 at 6%; with 50% employer match about $77,890 at 4% or $51,926 at 6%; with 100% employer match about $58,417 at 4% or $38,945 at 6%.
Clean Air Engineering 401(K) Plan-85$4,493,852$415,931$4,893iApproximate average salary by contribution assumption: employee only about $122,333 at 4% or $81,555 at 6%; with 50% employer match about $81,555 at 4% or $54,370 at 6%; with 100% employer match about $61,166 at 4% or $40,778 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-89---
2003290$3,949,398$431,152$4,791iApproximate average salary by contribution assumption: employee only about $119,764 at 4% or $79,843 at 6%; with 50% employer match about $79,843 at 4% or $53,229 at 6%; with 100% employer match about $59,882 at 4% or $39,921 at 6%.
Clean Air Engineering 401(K) Plan-78$3,949,398$431,152$5,528iApproximate average salary by contribution assumption: employee only about $138,190 at 4% or $92,126 at 6%; with 50% employer match about $92,126 at 4% or $61,418 at 6%; with 100% employer match about $69,095 at 4% or $46,063 at 6%.
Clean Air Engineering Inc Health and Welfare Benefit Plan-90---
2002287$0$0-
Clean Air Engineering 401(K) Plan-79---
Clean Air Engineering Inc Health and Welfare Benefit Plan-87---
2001289$0$0-
Clean Air Engineering 401(K) Plan-70---
Clean Air Engineering Inc Health and Welfare Benefit Plan-89---
2000271$0$0-
Clean Air Engineering Inc Health and Welfare Benefit Plan-71---
Clean Air Engineering 401(K) Plan-57---
1999175$0$0-
Clean Air Engineering Inc Health and Welfare Benefit Plan-75---