Civic Intelligence

Alliant Engineering Inc.

Plan context: Alliant Engineering Inc. Employee Savings Plan

EIN 41-1818046 • Minneapolis, MN • 39 filings • 10 plans

233 Park Avenue South, Suite 300Minneapolis, MN 55415
Current Snapshot

Latest Year

2025

2025 Participants

187

2025 Assets

$32,937,777

2025 Contributions

$3,949,731

Historical Graphs

Total Assets Over Time

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

$32,937,777$16,468,889$0200120142024YearValue
$32,937,777Latest year 2024

Participants Over Time

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

188940200020132025YearValue
187Latest 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
20251187$0$0-
Alliant Engineering Inc. Employee Benefit Plan-187---
20243188$32,937,777$3,949,731$21,009iApproximate average salary by contribution assumption: employee only about $525,230 at 4% or $350,153 at 6%; with 50% employer match about $350,153 at 4% or $233,436 at 6%; with 100% employer match about $262,615 at 4% or $175,077 at 6%.
Alliant Engineering Inc. Employee Savings Plan-188$24,142,667$2,578,941$13,718iApproximate average salary by contribution assumption: employee only about $342,944 at 4% or $228,630 at 6%; with 50% employer match about $228,630 at 4% or $152,420 at 6%; with 100% employer match about $171,472 at 4% or $114,315 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-145$8,795,110$1,370,790$9,454iApproximate average salary by contribution assumption: employee only about $236,343 at 4% or $157,562 at 6%; with 50% employer match about $157,562 at 4% or $105,041 at 6%; with 100% employer match about $118,172 at 4% or $78,781 at 6%.
Alliant Engineering Inc. Employee Benefit Plan-177---
20233173$26,446,425$3,150,835$18,213iApproximate average salary by contribution assumption: employee only about $455,323 at 4% or $303,549 at 6%; with 50% employer match about $303,549 at 4% or $202,366 at 6%; with 100% employer match about $227,661 at 4% or $151,774 at 6%.
Alliant Engineering Inc. Employee Savings Plan-173$20,196,766$2,130,355$12,314iApproximate average salary by contribution assumption: employee only about $307,855 at 4% or $205,237 at 6%; with 50% employer match about $205,237 at 4% or $136,824 at 6%; with 100% employer match about $153,927 at 4% or $102,618 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-127$6,249,659$1,020,480$8,035iApproximate average salary by contribution assumption: employee only about $200,882 at 4% or $133,921 at 6%; with 50% employer match about $133,921 at 4% or $89,281 at 6%; with 100% employer match about $100,441 at 4% or $66,961 at 6%.
Alliant Engineering Inc. Employee Benefit Plan-165---
20223161$20,969,152$3,147,217$19,548iApproximate average salary by contribution assumption: employee only about $488,698 at 4% or $325,799 at 6%; with 50% employer match about $325,799 at 4% or $217,199 at 6%; with 100% employer match about $244,349 at 4% or $162,899 at 6%.
Alliant Engineering Inc. Employee Savings Plan-161$15,856,520$2,071,077$12,864iApproximate average salary by contribution assumption: employee only about $321,596 at 4% or $214,397 at 6%; with 50% employer match about $214,397 at 4% or $142,931 at 6%; with 100% employer match about $160,798 at 4% or $107,199 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-125$5,112,632$1,076,140$8,609iApproximate average salary by contribution assumption: employee only about $215,228 at 4% or $143,485 at 6%; with 50% employer match about $143,485 at 4% or $95,657 at 6%; with 100% employer match about $107,614 at 4% or $71,743 at 6%.
Alliant Engineering Inc. Employee Benefit Plan-160---
20213142$21,107,748$3,197,291$22,516iApproximate average salary by contribution assumption: employee only about $562,903 at 4% or $375,269 at 6%; with 50% employer match about $375,269 at 4% or $250,179 at 6%; with 100% employer match about $281,452 at 4% or $187,634 at 6%.
Alliant Engineering Inc. Employee Savings Plan-142$17,329,780$2,184,460$15,384iApproximate average salary by contribution assumption: employee only about $384,588 at 4% or $256,392 at 6%; with 50% employer match about $256,392 at 4% or $170,928 at 6%; with 100% employer match about $192,294 at 4% or $128,196 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-118$3,777,968$1,012,831$8,583iApproximate average salary by contribution assumption: employee only about $214,583 at 4% or $143,055 at 6%; with 50% employer match about $143,055 at 4% or $95,370 at 6%; with 100% employer match about $107,291 at 4% or $71,528 at 6%.
Alliant Engineering Inc. Employee Benefit Plan-141---
20203140$15,962,700$2,618,976$18,707iApproximate average salary by contribution assumption: employee only about $467,674 at 4% or $311,783 at 6%; with 50% employer match about $311,783 at 4% or $207,855 at 6%; with 100% employer match about $233,837 at 4% or $155,891 at 6%.
Alliant Engineering Inc. Employee Savings Plan-134$13,494,768$1,515,576$11,310iApproximate average salary by contribution assumption: employee only about $282,757 at 4% or $188,504 at 6%; with 50% employer match about $188,504 at 4% or $125,670 at 6%; with 100% employer match about $141,378 at 4% or $94,252 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-114$2,467,932$1,103,400$9,679iApproximate average salary by contribution assumption: employee only about $241,974 at 4% or $161,316 at 6%; with 50% employer match about $161,316 at 4% or $107,544 at 6%; with 100% employer match about $120,987 at 4% or $80,658 at 6%.
Alliant Engineering Inc. Employee Benefit Plan-140---
20194153$13,411,612$1,767,848$11,555iApproximate average salary by contribution assumption: employee only about $288,864 at 4% or $192,576 at 6%; with 50% employer match about $192,576 at 4% or $128,384 at 6%; with 100% employer match about $144,432 at 4% or $96,288 at 6%.
Alliant Engineering Inc. Employee Savings Plan-129$12,354,262$1,767,848$13,704iApproximate average salary by contribution assumption: employee only about $342,606 at 4% or $228,404 at 6%; with 50% employer match about $228,404 at 4% or $152,269 at 6%; with 100% employer match about $171,303 at 4% or $114,202 at 6%.
Alliant Engineering Incorporated Employee Stock Ownership Plan and Trust-137$1,057,350--
Alliant Engineering Inc. Employee Benefit Plan-153---
Alliant Engineering Inc. Employee Benefit Plan-124---
20181107$8,845,669$1,351,559$12,631iApproximate average salary by contribution assumption: employee only about $315,785 at 4% or $210,523 at 6%; with 50% employer match about $210,523 at 4% or $140,349 at 6%; with 100% employer match about $157,892 at 4% or $105,262 at 6%.
Alliant Engineering Inc. Employee Savings Plan-107$8,845,669$1,351,559$12,631iApproximate average salary by contribution assumption: employee only about $315,785 at 4% or $210,523 at 6%; with 50% employer match about $210,523 at 4% or $140,349 at 6%; with 100% employer match about $157,892 at 4% or $105,262 at 6%.
2017197$8,321,453$1,139,396$11,746iApproximate average salary by contribution assumption: employee only about $293,659 at 4% or $195,773 at 6%; with 50% employer match about $195,773 at 4% or $130,515 at 6%; with 100% employer match about $146,829 at 4% or $97,886 at 6%.
Alliant Engineering Inc. Employee Savings Plan-97$8,321,453$1,139,396$11,746iApproximate average salary by contribution assumption: employee only about $293,659 at 4% or $195,773 at 6%; with 50% employer match about $195,773 at 4% or $130,515 at 6%; with 100% employer match about $146,829 at 4% or $97,886 at 6%.
20161136$6,852,853$610,994$4,493iApproximate average salary by contribution assumption: employee only about $112,315 at 4% or $74,877 at 6%; with 50% employer match about $74,877 at 4% or $49,918 at 6%; with 100% employer match about $56,158 at 4% or $37,438 at 6%.
Alliant Engineering Inc. Employee Savings Plan-136$6,852,853$610,994$4,493iApproximate average salary by contribution assumption: employee only about $112,315 at 4% or $74,877 at 6%; with 50% employer match about $74,877 at 4% or $49,918 at 6%; with 100% employer match about $56,158 at 4% or $37,438 at 6%.
2015160$5,784,326$525,207$8,753iApproximate average salary by contribution assumption: employee only about $218,836 at 4% or $145,891 at 6%; with 50% employer match about $145,891 at 4% or $97,261 at 6%; with 100% employer match about $109,418 at 4% or $72,945 at 6%.
Alliant Engineering Inc. Employee Savings Plan-60$5,784,326$525,207$8,753iApproximate average salary by contribution assumption: employee only about $218,836 at 4% or $145,891 at 6%; with 50% employer match about $145,891 at 4% or $97,261 at 6%; with 100% employer match about $109,418 at 4% or $72,945 at 6%.
2014167$5,450,727$634,166$9,465iApproximate average salary by contribution assumption: employee only about $236,629 at 4% or $157,753 at 6%; with 50% employer match about $157,753 at 4% or $105,168 at 6%; with 100% employer match about $118,315 at 4% or $78,876 at 6%.
Alliant Engineering Inc. Employee Savings Plan-67$5,450,727$634,166$9,465iApproximate average salary by contribution assumption: employee only about $236,629 at 4% or $157,753 at 6%; with 50% employer match about $157,753 at 4% or $105,168 at 6%; with 100% employer match about $118,315 at 4% or $78,876 at 6%.
2013158$4,598,799$504,606$8,700iApproximate average salary by contribution assumption: employee only about $217,503 at 4% or $145,002 at 6%; with 50% employer match about $145,002 at 4% or $96,668 at 6%; with 100% employer match about $108,751 at 4% or $72,501 at 6%.
Alliant Engineering Inc. Employee Savings Plan-58$4,598,799$504,606$8,700iApproximate average salary by contribution assumption: employee only about $217,503 at 4% or $145,002 at 6%; with 50% employer match about $145,002 at 4% or $96,668 at 6%; with 100% employer match about $108,751 at 4% or $72,501 at 6%.
2012139$3,461,555$338,896$8,690iApproximate average salary by contribution assumption: employee only about $217,241 at 4% or $144,827 at 6%; with 50% employer match about $144,827 at 4% or $96,552 at 6%; with 100% employer match about $108,621 at 4% or $72,414 at 6%.
Alliant Engineering Inc. Employee Savings Plan-39$3,461,555$338,896$8,690iApproximate average salary by contribution assumption: employee only about $217,241 at 4% or $144,827 at 6%; with 50% employer match about $144,827 at 4% or $96,552 at 6%; with 100% employer match about $108,621 at 4% or $72,414 at 6%.
2011133$2,851,157$323,614$9,806iApproximate average salary by contribution assumption: employee only about $245,162 at 4% or $163,441 at 6%; with 50% employer match about $163,441 at 4% or $108,961 at 6%; with 100% employer match about $122,581 at 4% or $81,721 at 6%.
Alliant Engineering Inc. Employee Savings Plan-33$2,851,157$323,614$9,806iApproximate average salary by contribution assumption: employee only about $245,162 at 4% or $163,441 at 6%; with 50% employer match about $163,441 at 4% or $108,961 at 6%; with 100% employer match about $122,581 at 4% or $81,721 at 6%.
2010129$2,658,607$310,345$10,702iApproximate average salary by contribution assumption: employee only about $267,539 at 4% or $178,359 at 6%; with 50% employer match about $178,359 at 4% or $118,906 at 6%; with 100% employer match about $133,769 at 4% or $89,180 at 6%.
Alliant Engineering Inc. Employee Savings Plan-29$2,658,607$310,345$10,702iApproximate average salary by contribution assumption: employee only about $267,539 at 4% or $178,359 at 6%; with 50% employer match about $178,359 at 4% or $118,906 at 6%; with 100% employer match about $133,769 at 4% or $89,180 at 6%.
2009130$2,132,211$198,331$6,611iApproximate average salary by contribution assumption: employee only about $165,276 at 4% or $110,184 at 6%; with 50% employer match about $110,184 at 4% or $73,456 at 6%; with 100% employer match about $82,638 at 4% or $55,092 at 6%.
Alliant Engineering Inc. Employee Savings Plan-30$2,132,211$198,331$6,611iApproximate average salary by contribution assumption: employee only about $165,276 at 4% or $110,184 at 6%; with 50% employer match about $110,184 at 4% or $73,456 at 6%; with 100% employer match about $82,638 at 4% or $55,092 at 6%.
2008132$1,584,087$229,002$7,156iApproximate average salary by contribution assumption: employee only about $178,908 at 4% or $119,272 at 6%; with 50% employer match about $119,272 at 4% or $79,515 at 6%; with 100% employer match about $89,454 at 4% or $59,636 at 6%.
Alliant Engineering Inc. Employee Savings Plan-32$1,584,087$229,002$7,156iApproximate average salary by contribution assumption: employee only about $178,908 at 4% or $119,272 at 6%; with 50% employer match about $119,272 at 4% or $79,515 at 6%; with 100% employer match about $89,454 at 4% or $59,636 at 6%.
2007133$0$0-
Alliant Engineering Inc. Employee Savings Plan-33---
2006138$1,899,858$361,659$9,517iApproximate average salary by contribution assumption: employee only about $237,934 at 4% or $158,622 at 6%; with 50% employer match about $158,622 at 4% or $105,748 at 6%; with 100% employer match about $118,967 at 4% or $79,311 at 6%.
Alliant Engineering Inc. Employee Savings Plan-38$1,899,858$361,659$9,517iApproximate average salary by contribution assumption: employee only about $237,934 at 4% or $158,622 at 6%; with 50% employer match about $158,622 at 4% or $105,748 at 6%; with 100% employer match about $118,967 at 4% or $79,311 at 6%.
2005140$1,361,583$366,367$9,159iApproximate average salary by contribution assumption: employee only about $228,979 at 4% or $152,653 at 6%; with 50% employer match about $152,653 at 4% or $101,769 at 6%; with 100% employer match about $114,490 at 4% or $76,326 at 6%.
Alliant Engineering Inc. Employee Savings Plan-40$1,361,583$366,367$9,159iApproximate average salary by contribution assumption: employee only about $228,979 at 4% or $152,653 at 6%; with 50% employer match about $152,653 at 4% or $101,769 at 6%; with 100% employer match about $114,490 at 4% or $76,326 at 6%.
2004124$915,423$223,699$9,321iApproximate average salary by contribution assumption: employee only about $233,020 at 4% or $155,347 at 6%; with 50% employer match about $155,347 at 4% or $103,564 at 6%; with 100% employer match about $116,510 at 4% or $77,673 at 6%.
Alliant Engineering Inc. Employee Savings Plan-24$915,423$223,699$9,321iApproximate average salary by contribution assumption: employee only about $233,020 at 4% or $155,347 at 6%; with 50% employer match about $155,347 at 4% or $103,564 at 6%; with 100% employer match about $116,510 at 4% or $77,673 at 6%.
2003126$600,459$161,790$6,223iApproximate average salary by contribution assumption: employee only about $155,567 at 4% or $103,712 at 6%; with 50% employer match about $103,712 at 4% or $69,141 at 6%; with 100% employer match about $77,784 at 4% or $51,856 at 6%.
Alliant Engineering Inc. Employee Savings Plan-26$600,459$161,790$6,223iApproximate average salary by contribution assumption: employee only about $155,567 at 4% or $103,712 at 6%; with 50% employer match about $103,712 at 4% or $69,141 at 6%; with 100% employer match about $77,784 at 4% or $51,856 at 6%.
2002115$0$0-
Alliant Engineering Inc. Employee Savings Plan-15---
2001112$308,123$84,710$7,059iApproximate average salary by contribution assumption: employee only about $176,479 at 4% or $117,653 at 6%; with 50% employer match about $117,653 at 4% or $78,435 at 6%; with 100% employer match about $88,240 at 4% or $58,826 at 6%.
Alliant Engineering Inc. Employee Savings Plan-12$308,123$84,710$7,059iApproximate average salary by contribution assumption: employee only about $176,479 at 4% or $117,653 at 6%; with 50% employer match about $117,653 at 4% or $78,435 at 6%; with 100% employer match about $88,240 at 4% or $58,826 at 6%.
200019$0$0-
Alliant Engineering Inc. Employee Savings Plan-9---