Civic Intelligence

Rock Industries Inc.

Plan context: Rock Industries Employee Retirement Plan

EIN 42-1411478 • Rock Valley, IA • 26 filings • 1 plans

880 10th StRock Valley, IA 51247-1530
Current Snapshot

Latest Year

2025

2025 Participants

22

2025 Assets

$2,422,704

2025 Contributions

$112,810

Historical Graphs

Total Assets Over Time

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

$2,422,704$1,211,352$0200020132025YearValue
$2,422,704Latest year 2025

Participants Over Time

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

41210200020132025YearValue
22Latest 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
2025122$2,422,704$112,810$5,128iApproximate average salary by contribution assumption: employee only about $128,193 at 4% or $85,462 at 6%; with 50% employer match about $85,462 at 4% or $56,975 at 6%; with 100% employer match about $64,097 at 4% or $42,731 at 6%.
Rock Industries Employee Retirement Plan-22$2,422,704$112,810$5,128iApproximate average salary by contribution assumption: employee only about $128,193 at 4% or $85,462 at 6%; with 50% employer match about $85,462 at 4% or $56,975 at 6%; with 100% employer match about $64,097 at 4% or $42,731 at 6%.
2024127$2,278,019$115,418$4,275iApproximate average salary by contribution assumption: employee only about $106,869 at 4% or $71,246 at 6%; with 50% employer match about $71,246 at 4% or $47,497 at 6%; with 100% employer match about $53,434 at 4% or $35,623 at 6%.
Rock Industries Employee Retirement Plan-27$2,278,019$115,418$4,275iApproximate average salary by contribution assumption: employee only about $106,869 at 4% or $71,246 at 6%; with 50% employer match about $71,246 at 4% or $47,497 at 6%; with 100% employer match about $53,434 at 4% or $35,623 at 6%.
2023124$1,960,474$107,961$4,498iApproximate average salary by contribution assumption: employee only about $112,459 at 4% or $74,973 at 6%; with 50% employer match about $74,973 at 4% or $49,982 at 6%; with 100% employer match about $56,230 at 4% or $37,486 at 6%.
Rock Industries Employee Retirement Plan-24$1,960,474$107,961$4,498iApproximate average salary by contribution assumption: employee only about $112,459 at 4% or $74,973 at 6%; with 50% employer match about $74,973 at 4% or $49,982 at 6%; with 100% employer match about $56,230 at 4% or $37,486 at 6%.
2022126$1,754,598$116,518$4,481iApproximate average salary by contribution assumption: employee only about $112,037 at 4% or $74,691 at 6%; with 50% employer match about $74,691 at 4% or $49,794 at 6%; with 100% employer match about $56,018 at 4% or $37,346 at 6%.
Rock Industries Employee Retirement Plan-26$1,754,598$116,518$4,481iApproximate average salary by contribution assumption: employee only about $112,037 at 4% or $74,691 at 6%; with 50% employer match about $74,691 at 4% or $49,794 at 6%; with 100% employer match about $56,018 at 4% or $37,346 at 6%.
2021129$2,218,845$129,733$4,474iApproximate average salary by contribution assumption: employee only about $111,839 at 4% or $74,559 at 6%; with 50% employer match about $74,559 at 4% or $49,706 at 6%; with 100% employer match about $55,919 at 4% or $37,280 at 6%.
Rock Industries Employee Retirement Plan-29$2,218,845$129,733$4,474iApproximate average salary by contribution assumption: employee only about $111,839 at 4% or $74,559 at 6%; with 50% employer match about $74,559 at 4% or $49,706 at 6%; with 100% employer match about $55,919 at 4% or $37,280 at 6%.
2020132$2,094,292$115,324$3,604iApproximate average salary by contribution assumption: employee only about $90,097 at 4% or $60,065 at 6%; with 50% employer match about $60,065 at 4% or $40,043 at 6%; with 100% employer match about $45,048 at 4% or $30,032 at 6%.
Rock Industries Employee Retirement Plan-32$2,094,292$115,324$3,604iApproximate average salary by contribution assumption: employee only about $90,097 at 4% or $60,065 at 6%; with 50% employer match about $60,065 at 4% or $40,043 at 6%; with 100% employer match about $45,048 at 4% or $30,032 at 6%.
2019135$1,795,998$118,205$3,377iApproximate average salary by contribution assumption: employee only about $84,432 at 4% or $56,288 at 6%; with 50% employer match about $56,288 at 4% or $37,525 at 6%; with 100% employer match about $42,216 at 4% or $28,144 at 6%.
Rock Industries Employee Retirement Plan-35$1,795,998$118,205$3,377iApproximate average salary by contribution assumption: employee only about $84,432 at 4% or $56,288 at 6%; with 50% employer match about $56,288 at 4% or $37,525 at 6%; with 100% employer match about $42,216 at 4% or $28,144 at 6%.
2018137$1,416,050$117,393$3,173iApproximate average salary by contribution assumption: employee only about $79,320 at 4% or $52,880 at 6%; with 50% employer match about $52,880 at 4% or $35,253 at 6%; with 100% employer match about $39,660 at 4% or $26,440 at 6%.
Rock Industries Employee Retirement Plan-37$1,416,050$117,393$3,173iApproximate average salary by contribution assumption: employee only about $79,320 at 4% or $52,880 at 6%; with 50% employer match about $52,880 at 4% or $35,253 at 6%; with 100% employer match about $39,660 at 4% or $26,440 at 6%.
2017135$1,400,960$103,973$2,971iApproximate average salary by contribution assumption: employee only about $74,266 at 4% or $49,511 at 6%; with 50% employer match about $49,511 at 4% or $33,007 at 6%; with 100% employer match about $37,133 at 4% or $24,755 at 6%.
Rock Industries Employee Retirement Plan-35$1,400,960$103,973$2,971iApproximate average salary by contribution assumption: employee only about $74,266 at 4% or $49,511 at 6%; with 50% employer match about $49,511 at 4% or $33,007 at 6%; with 100% employer match about $37,133 at 4% or $24,755 at 6%.
2016137$1,150,081$107,607$2,908iApproximate average salary by contribution assumption: employee only about $72,707 at 4% or $48,472 at 6%; with 50% employer match about $48,472 at 4% or $32,314 at 6%; with 100% employer match about $36,354 at 4% or $24,236 at 6%.
Rock Industries Employee Retirement Plan-37$1,150,081$107,607$2,908iApproximate average salary by contribution assumption: employee only about $72,707 at 4% or $48,472 at 6%; with 50% employer match about $48,472 at 4% or $32,314 at 6%; with 100% employer match about $36,354 at 4% or $24,236 at 6%.
2015138$989,069$106,924$2,814iApproximate average salary by contribution assumption: employee only about $70,345 at 4% or $46,896 at 6%; with 50% employer match about $46,896 at 4% or $31,264 at 6%; with 100% employer match about $35,172 at 4% or $23,448 at 6%.
Rock Industries Employee Retirement Plan-38$989,069$106,924$2,814iApproximate average salary by contribution assumption: employee only about $70,345 at 4% or $46,896 at 6%; with 50% employer match about $46,896 at 4% or $31,264 at 6%; with 100% employer match about $35,172 at 4% or $23,448 at 6%.
2014136$1,076,087$106,911$2,970iApproximate average salary by contribution assumption: employee only about $74,244 at 4% or $49,496 at 6%; with 50% employer match about $49,496 at 4% or $32,997 at 6%; with 100% employer match about $37,122 at 4% or $24,748 at 6%.
Rock Industries Employee Retirement Plan-36$1,076,087$106,911$2,970iApproximate average salary by contribution assumption: employee only about $74,244 at 4% or $49,496 at 6%; with 50% employer match about $49,496 at 4% or $32,997 at 6%; with 100% employer match about $37,122 at 4% or $24,748 at 6%.
2013133$957,769$95,154$2,883iApproximate average salary by contribution assumption: employee only about $72,086 at 4% or $48,058 at 6%; with 50% employer match about $48,058 at 4% or $32,038 at 6%; with 100% employer match about $36,043 at 4% or $24,029 at 6%.
Rock Industries Employee Retirement Plan-33$957,769$95,154$2,883iApproximate average salary by contribution assumption: employee only about $72,086 at 4% or $48,058 at 6%; with 50% employer match about $48,058 at 4% or $32,038 at 6%; with 100% employer match about $36,043 at 4% or $24,029 at 6%.
2012136$759,634$96,004$2,667iApproximate average salary by contribution assumption: employee only about $66,669 at 4% or $44,446 at 6%; with 50% employer match about $44,446 at 4% or $29,631 at 6%; with 100% employer match about $33,335 at 4% or $22,223 at 6%.
Rock Industries Employee Retirement Plan-36$759,634$96,004$2,667iApproximate average salary by contribution assumption: employee only about $66,669 at 4% or $44,446 at 6%; with 50% employer match about $44,446 at 4% or $29,631 at 6%; with 100% employer match about $33,335 at 4% or $22,223 at 6%.
2011137$591,068$85,908$2,322iApproximate average salary by contribution assumption: employee only about $58,046 at 4% or $38,697 at 6%; with 50% employer match about $38,697 at 4% or $25,798 at 6%; with 100% employer match about $29,023 at 4% or $19,349 at 6%.
Rock Industries Employee Retirement Plan-37$591,068$85,908$2,322iApproximate average salary by contribution assumption: employee only about $58,046 at 4% or $38,697 at 6%; with 50% employer match about $38,697 at 4% or $25,798 at 6%; with 100% employer match about $29,023 at 4% or $19,349 at 6%.
2010127$552,131$69,029$2,557iApproximate average salary by contribution assumption: employee only about $63,916 at 4% or $42,610 at 6%; with 50% employer match about $42,610 at 4% or $28,407 at 6%; with 100% employer match about $31,958 at 4% or $21,305 at 6%.
Rock Industries Employee Retirement Plan-27$552,131$69,029$2,557iApproximate average salary by contribution assumption: employee only about $63,916 at 4% or $42,610 at 6%; with 50% employer match about $42,610 at 4% or $28,407 at 6%; with 100% employer match about $31,958 at 4% or $21,305 at 6%.
2009127$418,802$60,183$2,229iApproximate average salary by contribution assumption: employee only about $55,725 at 4% or $37,150 at 6%; with 50% employer match about $37,150 at 4% or $24,767 at 6%; with 100% employer match about $27,863 at 4% or $18,575 at 6%.
Rock Industries Employee Retirement Plan-27$418,802$60,183$2,229iApproximate average salary by contribution assumption: employee only about $55,725 at 4% or $37,150 at 6%; with 50% employer match about $37,150 at 4% or $24,767 at 6%; with 100% employer match about $27,863 at 4% or $18,575 at 6%.
2008135$295,456$85,688$2,448iApproximate average salary by contribution assumption: employee only about $61,206 at 4% or $40,804 at 6%; with 50% employer match about $40,804 at 4% or $27,203 at 6%; with 100% employer match about $30,603 at 4% or $20,402 at 6%.
Rock Industries Employee Retirement Plan-35$295,456$85,688$2,448iApproximate average salary by contribution assumption: employee only about $61,206 at 4% or $40,804 at 6%; with 50% employer match about $40,804 at 4% or $27,203 at 6%; with 100% employer match about $30,603 at 4% or $20,402 at 6%.
2007138$327,822$53,045$1,396iApproximate average salary by contribution assumption: employee only about $34,898 at 4% or $23,265 at 6%; with 50% employer match about $23,265 at 4% or $15,510 at 6%; with 100% employer match about $17,449 at 4% or $11,633 at 6%.
Rock Industries Employee Retirement Plan-38$327,822$53,045$1,396iApproximate average salary by contribution assumption: employee only about $34,898 at 4% or $23,265 at 6%; with 50% employer match about $23,265 at 4% or $15,510 at 6%; with 100% employer match about $17,449 at 4% or $11,633 at 6%.
2006136$248,033$52,957$1,471iApproximate average salary by contribution assumption: employee only about $36,776 at 4% or $24,517 at 6%; with 50% employer match about $24,517 at 4% or $16,345 at 6%; with 100% employer match about $18,388 at 4% or $12,259 at 6%.
Rock Industries Employee Retirement Plan-36$248,033$52,957$1,471iApproximate average salary by contribution assumption: employee only about $36,776 at 4% or $24,517 at 6%; with 50% employer match about $24,517 at 4% or $16,345 at 6%; with 100% employer match about $18,388 at 4% or $12,259 at 6%.
2005138$192,955$39,478$1,039iApproximate average salary by contribution assumption: employee only about $25,972 at 4% or $17,315 at 6%; with 50% employer match about $17,315 at 4% or $11,543 at 6%; with 100% employer match about $12,986 at 4% or $8,657 at 6%.
Rock Industries Employee Retirement Plan-38$192,955$39,478$1,039iApproximate average salary by contribution assumption: employee only about $25,972 at 4% or $17,315 at 6%; with 50% employer match about $17,315 at 4% or $11,543 at 6%; with 100% employer match about $12,986 at 4% or $8,657 at 6%.
2004133$142,573$31,016$940iApproximate average salary by contribution assumption: employee only about $23,497 at 4% or $15,665 at 6%; with 50% employer match about $15,665 at 4% or $10,443 at 6%; with 100% employer match about $11,748 at 4% or $7,832 at 6%.
Rock Industries Employee Retirement Plan-33$142,573$31,016$940iApproximate average salary by contribution assumption: employee only about $23,497 at 4% or $15,665 at 6%; with 50% employer match about $15,665 at 4% or $10,443 at 6%; with 100% employer match about $11,748 at 4% or $7,832 at 6%.
2003141$105,750$37,479$914iApproximate average salary by contribution assumption: employee only about $22,853 at 4% or $15,235 at 6%; with 50% employer match about $15,235 at 4% or $10,157 at 6%; with 100% employer match about $11,427 at 4% or $7,618 at 6%.
Rock Industries Employee Retirement Plan-41$105,750$37,479$914iApproximate average salary by contribution assumption: employee only about $22,853 at 4% or $15,235 at 6%; with 50% employer match about $15,235 at 4% or $10,157 at 6%; with 100% employer match about $11,427 at 4% or $7,618 at 6%.
2002134$57,605$33,679$991iApproximate average salary by contribution assumption: employee only about $24,764 at 4% or $16,509 at 6%; with 50% employer match about $16,509 at 4% or $11,006 at 6%; with 100% employer match about $12,382 at 4% or $8,255 at 6%.
Rock Industries Employee Retirement Plan-34$57,605$33,679$991iApproximate average salary by contribution assumption: employee only about $24,764 at 4% or $16,509 at 6%; with 50% employer match about $16,509 at 4% or $11,006 at 6%; with 100% employer match about $12,382 at 4% or $8,255 at 6%.
2001129$42,596$37,449$1,291iApproximate average salary by contribution assumption: employee only about $32,284 at 4% or $21,522 at 6%; with 50% employer match about $21,522 at 4% or $14,348 at 6%; with 100% employer match about $16,142 at 4% or $10,761 at 6%.
Rock Industries Employee Retirement Plan-29$42,596$37,449$1,291iApproximate average salary by contribution assumption: employee only about $32,284 at 4% or $21,522 at 6%; with 50% employer match about $21,522 at 4% or $14,348 at 6%; with 100% employer match about $16,142 at 4% or $10,761 at 6%.
2000134$17,088$19,744$581iApproximate average salary by contribution assumption: employee only about $14,518 at 4% or $9,678 at 6%; with 50% employer match about $9,678 at 4% or $6,452 at 6%; with 100% employer match about $7,259 at 4% or $4,839 at 6%.
Rock Industries Employee Retirement Plan-34$17,088$19,744$581iApproximate average salary by contribution assumption: employee only about $14,518 at 4% or $9,678 at 6%; with 50% employer match about $9,678 at 4% or $6,452 at 6%; with 100% employer match about $7,259 at 4% or $4,839 at 6%.