Civic Intelligence

First Environmental Laboratories Inc.

Plan context: First Environmental Laboratories Inc. 401K Retirement Plan

EIN 36-3925322 • Naperville, IL • 27 filings • 2 plans

1600 Shore Road, Unit DNaperville, IL 60563
Current Snapshot

Latest Year

2025

2025 Participants

25

2025 Assets

$3,782,494

2025 Contributions

$282,093

Historical Graphs

Total Assets Over Time

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

$10,932,305$5,466,153$0199920132025YearValue
$3,782,494Latest year 2025

Participants Over Time

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

30150199920122025YearValue
25Latest 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
2025125$3,782,494$282,093$11,284iApproximate average salary by contribution assumption: employee only about $282,093 at 4% or $188,062 at 6%; with 50% employer match about $188,062 at 4% or $125,375 at 6%; with 100% employer match about $141,047 at 4% or $94,031 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-25$3,782,494$282,093$11,284iApproximate average salary by contribution assumption: employee only about $282,093 at 4% or $188,062 at 6%; with 50% employer match about $188,062 at 4% or $125,375 at 6%; with 100% employer match about $141,047 at 4% or $94,031 at 6%.
2024124$2,961,408$259,055$10,794iApproximate average salary by contribution assumption: employee only about $269,849 at 4% or $179,899 at 6%; with 50% employer match about $179,899 at 4% or $119,933 at 6%; with 100% employer match about $134,924 at 4% or $89,950 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-24$2,961,408$259,055$10,794iApproximate average salary by contribution assumption: employee only about $269,849 at 4% or $179,899 at 6%; with 50% employer match about $179,899 at 4% or $119,933 at 6%; with 100% employer match about $134,924 at 4% or $89,950 at 6%.
2023122$2,449,155$177,404$8,064iApproximate average salary by contribution assumption: employee only about $201,595 at 4% or $134,397 at 6%; with 50% employer match about $134,397 at 4% or $89,598 at 6%; with 100% employer match about $100,798 at 4% or $67,198 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-22$2,449,155$177,404$8,064iApproximate average salary by contribution assumption: employee only about $201,595 at 4% or $134,397 at 6%; with 50% employer match about $134,397 at 4% or $89,598 at 6%; with 100% employer match about $100,798 at 4% or $67,198 at 6%.
2022126$3,819,277$93,568$3,599iApproximate average salary by contribution assumption: employee only about $89,969 at 4% or $59,979 at 6%; with 50% employer match about $59,979 at 4% or $39,986 at 6%; with 100% employer match about $44,985 at 4% or $29,990 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-26$3,819,277$93,568$3,599iApproximate average salary by contribution assumption: employee only about $89,969 at 4% or $59,979 at 6%; with 50% employer match about $59,979 at 4% or $39,986 at 6%; with 100% employer match about $44,985 at 4% or $29,990 at 6%.
2021130$10,932,305$176,169$5,872iApproximate average salary by contribution assumption: employee only about $146,808 at 4% or $97,872 at 6%; with 50% employer match about $97,872 at 4% or $65,248 at 6%; with 100% employer match about $73,404 at 4% or $48,936 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-30$10,932,305$176,169$5,872iApproximate average salary by contribution assumption: employee only about $146,808 at 4% or $97,872 at 6%; with 50% employer match about $97,872 at 4% or $65,248 at 6%; with 100% employer match about $73,404 at 4% or $48,936 at 6%.
2020128$9,804,560$225,866$8,067iApproximate average salary by contribution assumption: employee only about $201,666 at 4% or $134,444 at 6%; with 50% employer match about $134,444 at 4% or $89,629 at 6%; with 100% employer match about $100,833 at 4% or $67,222 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-28$9,804,560$225,866$8,067iApproximate average salary by contribution assumption: employee only about $201,666 at 4% or $134,444 at 6%; with 50% employer match about $134,444 at 4% or $89,629 at 6%; with 100% employer match about $100,833 at 4% or $67,222 at 6%.
2019128$8,574,042$228,787$8,171iApproximate average salary by contribution assumption: employee only about $204,274 at 4% or $136,183 at 6%; with 50% employer match about $136,183 at 4% or $90,788 at 6%; with 100% employer match about $102,137 at 4% or $68,091 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-28$8,574,042$228,787$8,171iApproximate average salary by contribution assumption: employee only about $204,274 at 4% or $136,183 at 6%; with 50% employer match about $136,183 at 4% or $90,788 at 6%; with 100% employer match about $102,137 at 4% or $68,091 at 6%.
2018126$7,049,395$222,007$8,539iApproximate average salary by contribution assumption: employee only about $213,468 at 4% or $142,312 at 6%; with 50% employer match about $142,312 at 4% or $94,875 at 6%; with 100% employer match about $106,734 at 4% or $71,156 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-26$7,049,395$222,007$8,539iApproximate average salary by contribution assumption: employee only about $213,468 at 4% or $142,312 at 6%; with 50% employer match about $142,312 at 4% or $94,875 at 6%; with 100% employer match about $106,734 at 4% or $71,156 at 6%.
2017126$7,571,401$215,095$8,273iApproximate average salary by contribution assumption: employee only about $206,822 at 4% or $137,881 at 6%; with 50% employer match about $137,881 at 4% or $91,921 at 6%; with 100% employer match about $103,411 at 4% or $68,941 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-26$7,571,401$215,095$8,273iApproximate average salary by contribution assumption: employee only about $206,822 at 4% or $137,881 at 6%; with 50% employer match about $137,881 at 4% or $91,921 at 6%; with 100% employer match about $103,411 at 4% or $68,941 at 6%.
2016126$6,367,980$215,821$8,301iApproximate average salary by contribution assumption: employee only about $207,520 at 4% or $138,347 at 6%; with 50% employer match about $138,347 at 4% or $92,231 at 6%; with 100% employer match about $103,760 at 4% or $69,173 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-26$6,367,980$215,821$8,301iApproximate average salary by contribution assumption: employee only about $207,520 at 4% or $138,347 at 6%; with 50% employer match about $138,347 at 4% or $92,231 at 6%; with 100% employer match about $103,760 at 4% or $69,173 at 6%.
2015125$6,025,879$203,268$8,131iApproximate average salary by contribution assumption: employee only about $203,268 at 4% or $135,512 at 6%; with 50% employer match about $135,512 at 4% or $90,341 at 6%; with 100% employer match about $101,634 at 4% or $67,756 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-25$6,025,879$203,268$8,131iApproximate average salary by contribution assumption: employee only about $203,268 at 4% or $135,512 at 6%; with 50% employer match about $135,512 at 4% or $90,341 at 6%; with 100% employer match about $101,634 at 4% or $67,756 at 6%.
2014123$5,932,181$213,474$9,281iApproximate average salary by contribution assumption: employee only about $232,037 at 4% or $154,691 at 6%; with 50% employer match about $154,691 at 4% or $103,128 at 6%; with 100% employer match about $116,018 at 4% or $77,346 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-23$5,932,181$213,474$9,281iApproximate average salary by contribution assumption: employee only about $232,037 at 4% or $154,691 at 6%; with 50% employer match about $154,691 at 4% or $103,128 at 6%; with 100% employer match about $116,018 at 4% or $77,346 at 6%.
2013122$5,601,353$214,457$9,748iApproximate average salary by contribution assumption: employee only about $243,701 at 4% or $162,467 at 6%; with 50% employer match about $162,467 at 4% or $108,312 at 6%; with 100% employer match about $121,851 at 4% or $81,234 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-22$5,601,353$214,457$9,748iApproximate average salary by contribution assumption: employee only about $243,701 at 4% or $162,467 at 6%; with 50% employer match about $162,467 at 4% or $108,312 at 6%; with 100% employer match about $121,851 at 4% or $81,234 at 6%.
2012121$4,651,504$204,086$9,718iApproximate average salary by contribution assumption: employee only about $242,960 at 4% or $161,973 at 6%; with 50% employer match about $161,973 at 4% or $107,982 at 6%; with 100% employer match about $121,480 at 4% or $80,987 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-21$4,651,504$204,086$9,718iApproximate average salary by contribution assumption: employee only about $242,960 at 4% or $161,973 at 6%; with 50% employer match about $161,973 at 4% or $107,982 at 6%; with 100% employer match about $121,480 at 4% or $80,987 at 6%.
2011114$3,972,036$203,263$14,519iApproximate average salary by contribution assumption: employee only about $362,970 at 4% or $241,980 at 6%; with 50% employer match about $241,980 at 4% or $161,320 at 6%; with 100% employer match about $181,485 at 4% or $120,990 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-14$3,972,036$203,263$14,519iApproximate average salary by contribution assumption: employee only about $362,970 at 4% or $241,980 at 6%; with 50% employer match about $241,980 at 4% or $161,320 at 6%; with 100% employer match about $181,485 at 4% or $120,990 at 6%.
2010121$3,929,858$147,269$7,013iApproximate average salary by contribution assumption: employee only about $175,320 at 4% or $116,880 at 6%; with 50% employer match about $116,880 at 4% or $77,920 at 6%; with 100% employer match about $87,660 at 4% or $58,440 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-21$3,929,858$147,269$7,013iApproximate average salary by contribution assumption: employee only about $175,320 at 4% or $116,880 at 6%; with 50% employer match about $116,880 at 4% or $77,920 at 6%; with 100% employer match about $87,660 at 4% or $58,440 at 6%.
2009119$3,393,777$195,584$10,294iApproximate average salary by contribution assumption: employee only about $257,347 at 4% or $171,565 at 6%; with 50% employer match about $171,565 at 4% or $114,377 at 6%; with 100% employer match about $128,674 at 4% or $85,782 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-19$3,393,777$195,584$10,294iApproximate average salary by contribution assumption: employee only about $257,347 at 4% or $171,565 at 6%; with 50% employer match about $171,565 at 4% or $114,377 at 6%; with 100% employer match about $128,674 at 4% or $85,782 at 6%.
2008121$2,575,004$201,912$9,615iApproximate average salary by contribution assumption: employee only about $240,371 at 4% or $160,248 at 6%; with 50% employer match about $160,248 at 4% or $106,832 at 6%; with 100% employer match about $120,186 at 4% or $80,124 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-21$2,575,004$201,912$9,615iApproximate average salary by contribution assumption: employee only about $240,371 at 4% or $160,248 at 6%; with 50% employer match about $160,248 at 4% or $106,832 at 6%; with 100% employer match about $120,186 at 4% or $80,124 at 6%.
2007121$3,537,400$185,824$8,849iApproximate average salary by contribution assumption: employee only about $221,219 at 4% or $147,479 at 6%; with 50% employer match about $147,479 at 4% or $98,320 at 6%; with 100% employer match about $110,610 at 4% or $73,740 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-21$3,537,400$185,824$8,849iApproximate average salary by contribution assumption: employee only about $221,219 at 4% or $147,479 at 6%; with 50% employer match about $147,479 at 4% or $98,320 at 6%; with 100% employer match about $110,610 at 4% or $73,740 at 6%.
2006122$3,235,113$183,766$8,353iApproximate average salary by contribution assumption: employee only about $208,825 at 4% or $139,217 at 6%; with 50% employer match about $139,217 at 4% or $92,811 at 6%; with 100% employer match about $104,413 at 4% or $69,608 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-22$3,235,113$183,766$8,353iApproximate average salary by contribution assumption: employee only about $208,825 at 4% or $139,217 at 6%; with 50% employer match about $139,217 at 4% or $92,811 at 6%; with 100% employer match about $104,413 at 4% or $69,608 at 6%.
2005122$2,651,909$250,903$11,405iApproximate average salary by contribution assumption: employee only about $285,117 at 4% or $190,078 at 6%; with 50% employer match about $190,078 at 4% or $126,719 at 6%; with 100% employer match about $142,559 at 4% or $95,039 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-22$2,651,909$250,903$11,405iApproximate average salary by contribution assumption: employee only about $285,117 at 4% or $190,078 at 6%; with 50% employer match about $190,078 at 4% or $126,719 at 6%; with 100% employer match about $142,559 at 4% or $95,039 at 6%.
2004121$2,224,301$253,772$12,084iApproximate average salary by contribution assumption: employee only about $302,110 at 4% or $201,406 at 6%; with 50% employer match about $201,406 at 4% or $134,271 at 6%; with 100% employer match about $151,055 at 4% or $100,703 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-21$2,224,301$253,772$12,084iApproximate average salary by contribution assumption: employee only about $302,110 at 4% or $201,406 at 6%; with 50% employer match about $201,406 at 4% or $134,271 at 6%; with 100% employer match about $151,055 at 4% or $100,703 at 6%.
2003120$1,769,945$230,121$11,506iApproximate average salary by contribution assumption: employee only about $287,651 at 4% or $191,768 at 6%; with 50% employer match about $191,768 at 4% or $127,845 at 6%; with 100% employer match about $143,826 at 4% or $95,884 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-20$1,769,945$230,121$11,506iApproximate average salary by contribution assumption: employee only about $287,651 at 4% or $191,768 at 6%; with 50% employer match about $191,768 at 4% or $127,845 at 6%; with 100% employer match about $143,826 at 4% or $95,884 at 6%.
2002120$1,199,179$72,962$3,648iApproximate average salary by contribution assumption: employee only about $91,203 at 4% or $60,802 at 6%; with 50% employer match about $60,802 at 4% or $40,534 at 6%; with 100% employer match about $45,601 at 4% or $30,401 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-20$1,199,179$72,962$3,648iApproximate average salary by contribution assumption: employee only about $91,203 at 4% or $60,802 at 6%; with 50% employer match about $60,802 at 4% or $40,534 at 6%; with 100% employer match about $45,601 at 4% or $30,401 at 6%.
2001118$0$0-
First Environmental Laboratories Inc. 401K Retirement Plan-18---
2000116$1,583,698$154,796$9,675iApproximate average salary by contribution assumption: employee only about $241,869 at 4% or $161,246 at 6%; with 50% employer match about $161,246 at 4% or $107,497 at 6%; with 100% employer match about $120,934 at 4% or $80,623 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-16$1,583,698$154,796$9,675iApproximate average salary by contribution assumption: employee only about $241,869 at 4% or $161,246 at 6%; with 50% employer match about $161,246 at 4% or $107,497 at 6%; with 100% employer match about $120,934 at 4% or $80,623 at 6%.
1999116$1,636,558$249,838$15,615iApproximate average salary by contribution assumption: employee only about $390,372 at 4% or $260,248 at 6%; with 50% employer match about $260,248 at 4% or $173,499 at 6%; with 100% employer match about $195,186 at 4% or $130,124 at 6%.
First Environmental Laboratories Inc. 401K Retirement Plan-16$1,636,558$249,838$15,615iApproximate average salary by contribution assumption: employee only about $390,372 at 4% or $260,248 at 6%; with 50% employer match about $260,248 at 4% or $173,499 at 6%; with 100% employer match about $195,186 at 4% or $130,124 at 6%.