Civic Intelligence

Rocks Engineering Company

Plan context: Rocks Engineering 401(K) Plan

EIN 52-0242791 • Vienna, VA • 25 filings • 3 plans

1934 Old Gallows RoadSte 500Vienna, VA 22182-4041
Current Snapshot

Latest Year

2025

2025 Participants

79

2025 Assets

$7,745,379

2025 Contributions

$517,718

Historical Graphs

Total Assets Over Time

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

$7,745,379$3,872,690$0199920132025YearValue
$7,745,379Latest year 2025

Participants Over Time

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

123620199920132025YearValue
79Latest 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
2025179$7,745,379$517,718$6,553iApproximate average salary by contribution assumption: employee only about $163,835 at 4% or $109,223 at 6%; with 50% employer match about $109,223 at 4% or $72,815 at 6%; with 100% employer match about $81,917 at 4% or $54,612 at 6%.
Rocks Engineering 401(K) Plan-79$7,745,379$517,718$6,553iApproximate average salary by contribution assumption: employee only about $163,835 at 4% or $109,223 at 6%; with 50% employer match about $109,223 at 4% or $72,815 at 6%; with 100% employer match about $81,917 at 4% or $54,612 at 6%.
2024187$6,789,166$447,170$5,140iApproximate average salary by contribution assumption: employee only about $128,497 at 4% or $85,665 at 6%; with 50% employer match about $85,665 at 4% or $57,110 at 6%; with 100% employer match about $64,249 at 4% or $42,832 at 6%.
Rocks Engineering 401(K) Plan-87$6,789,166$447,170$5,140iApproximate average salary by contribution assumption: employee only about $128,497 at 4% or $85,665 at 6%; with 50% employer match about $85,665 at 4% or $57,110 at 6%; with 100% employer match about $64,249 at 4% or $42,832 at 6%.
2023192$6,462,834$624,407$6,787iApproximate average salary by contribution assumption: employee only about $169,676 at 4% or $113,117 at 6%; with 50% employer match about $113,117 at 4% or $75,411 at 6%; with 100% employer match about $84,838 at 4% or $56,559 at 6%.
Rocks Engineering 401(K) Plan-92$6,462,834$624,407$6,787iApproximate average salary by contribution assumption: employee only about $169,676 at 4% or $113,117 at 6%; with 50% employer match about $113,117 at 4% or $75,411 at 6%; with 100% employer match about $84,838 at 4% or $56,559 at 6%.
2022191$5,787,344$408,615$4,490iApproximate average salary by contribution assumption: employee only about $112,257 at 4% or $74,838 at 6%; with 50% employer match about $74,838 at 4% or $49,892 at 6%; with 100% employer match about $56,128 at 4% or $37,419 at 6%.
Rocks Engineering 401(K) Plan-91$5,787,344$408,615$4,490iApproximate average salary by contribution assumption: employee only about $112,257 at 4% or $74,838 at 6%; with 50% employer match about $74,838 at 4% or $49,892 at 6%; with 100% employer match about $56,128 at 4% or $37,419 at 6%.
2021174$6,636,347$320,327$4,329iApproximate average salary by contribution assumption: employee only about $108,219 at 4% or $72,146 at 6%; with 50% employer match about $72,146 at 4% or $48,097 at 6%; with 100% employer match about $54,109 at 4% or $36,073 at 6%.
Rocks Engineering 401(K) Plan-74$6,636,347$320,327$4,329iApproximate average salary by contribution assumption: employee only about $108,219 at 4% or $72,146 at 6%; with 50% employer match about $72,146 at 4% or $48,097 at 6%; with 100% employer match about $54,109 at 4% or $36,073 at 6%.
2020171$6,163,108$296,432$4,175iApproximate average salary by contribution assumption: employee only about $104,377 at 4% or $69,585 at 6%; with 50% employer match about $69,585 at 4% or $46,390 at 6%; with 100% employer match about $52,189 at 4% or $34,792 at 6%.
Rocks Engineering 401(K) Plan-71$6,163,108$296,432$4,175iApproximate average salary by contribution assumption: employee only about $104,377 at 4% or $69,585 at 6%; with 50% employer match about $69,585 at 4% or $46,390 at 6%; with 100% employer match about $52,189 at 4% or $34,792 at 6%.
2019171$5,338,497$331,438$4,668iApproximate average salary by contribution assumption: employee only about $116,704 at 4% or $77,802 at 6%; with 50% employer match about $77,802 at 4% or $51,868 at 6%; with 100% employer match about $58,352 at 4% or $38,901 at 6%.
Rocks Engineering 401(K) Plan-71$5,338,497$331,438$4,668iApproximate average salary by contribution assumption: employee only about $116,704 at 4% or $77,802 at 6%; with 50% employer match about $77,802 at 4% or $51,868 at 6%; with 100% employer match about $58,352 at 4% or $38,901 at 6%.
2018173$5,092,638$326,970$4,479iApproximate average salary by contribution assumption: employee only about $111,976 at 4% or $74,651 at 6%; with 50% employer match about $74,651 at 4% or $49,767 at 6%; with 100% employer match about $55,988 at 4% or $37,325 at 6%.
Rocks Engineering 401(K) Plan-73$5,092,638$326,970$4,479iApproximate average salary by contribution assumption: employee only about $111,976 at 4% or $74,651 at 6%; with 50% employer match about $74,651 at 4% or $49,767 at 6%; with 100% employer match about $55,988 at 4% or $37,325 at 6%.
2017173$5,273,888$298,986$4,096iApproximate average salary by contribution assumption: employee only about $102,392 at 4% or $68,262 at 6%; with 50% employer match about $68,262 at 4% or $45,508 at 6%; with 100% employer match about $51,196 at 4% or $34,131 at 6%.
Rocks Engineering 401(K) Plan-73$5,273,888$298,986$4,096iApproximate average salary by contribution assumption: employee only about $102,392 at 4% or $68,262 at 6%; with 50% employer match about $68,262 at 4% or $45,508 at 6%; with 100% employer match about $51,196 at 4% or $34,131 at 6%.
2016177$5,619,435$323,180$4,197iApproximate average salary by contribution assumption: employee only about $104,929 at 4% or $69,952 at 6%; with 50% employer match about $69,952 at 4% or $46,635 at 6%; with 100% employer match about $52,464 at 4% or $34,976 at 6%.
Rocks Engineering 401(K) Plan-77$5,619,435$323,180$4,197iApproximate average salary by contribution assumption: employee only about $104,929 at 4% or $69,952 at 6%; with 50% employer match about $69,952 at 4% or $46,635 at 6%; with 100% employer match about $52,464 at 4% or $34,976 at 6%.
2015181$5,473,002$394,982$4,876iApproximate average salary by contribution assumption: employee only about $121,908 at 4% or $81,272 at 6%; with 50% employer match about $81,272 at 4% or $54,181 at 6%; with 100% employer match about $60,954 at 4% or $40,636 at 6%.
Rocks Engineering 401(K) Plan-81$5,473,002$394,982$4,876iApproximate average salary by contribution assumption: employee only about $121,908 at 4% or $81,272 at 6%; with 50% employer match about $81,272 at 4% or $54,181 at 6%; with 100% employer match about $60,954 at 4% or $40,636 at 6%.
2014189$6,663,919$437,572$4,917iApproximate average salary by contribution assumption: employee only about $122,913 at 4% or $81,942 at 6%; with 50% employer match about $81,942 at 4% or $54,628 at 6%; with 100% employer match about $61,457 at 4% or $40,971 at 6%.
Rocks Engineering 401(K) Plan-89$6,663,919$437,572$4,917iApproximate average salary by contribution assumption: employee only about $122,913 at 4% or $81,942 at 6%; with 50% employer match about $81,942 at 4% or $54,628 at 6%; with 100% employer match about $61,457 at 4% or $40,971 at 6%.
2013190$6,625,134$440,487$4,894iApproximate average salary by contribution assumption: employee only about $122,358 at 4% or $81,572 at 6%; with 50% employer match about $81,572 at 4% or $54,381 at 6%; with 100% employer match about $61,179 at 4% or $40,786 at 6%.
Rocks Engineering 401(K) Plan-90$6,625,134$440,487$4,894iApproximate average salary by contribution assumption: employee only about $122,358 at 4% or $81,572 at 6%; with 50% employer match about $81,572 at 4% or $54,381 at 6%; with 100% employer match about $61,179 at 4% or $40,786 at 6%.
2012190$5,695,976$415,595$4,618iApproximate average salary by contribution assumption: employee only about $115,443 at 4% or $76,962 at 6%; with 50% employer match about $76,962 at 4% or $51,308 at 6%; with 100% employer match about $57,722 at 4% or $38,481 at 6%.
Rocks Engineering 401(K) Plan-90$5,695,976$415,595$4,618iApproximate average salary by contribution assumption: employee only about $115,443 at 4% or $76,962 at 6%; with 50% employer match about $76,962 at 4% or $51,308 at 6%; with 100% employer match about $57,722 at 4% or $38,481 at 6%.
2011186$5,451,946$405,373$4,714iApproximate average salary by contribution assumption: employee only about $117,841 at 4% or $78,561 at 6%; with 50% employer match about $78,561 at 4% or $52,374 at 6%; with 100% employer match about $58,920 at 4% or $39,280 at 6%.
Rocks Engineering 401(K) Plan-86$5,451,946$405,373$4,714iApproximate average salary by contribution assumption: employee only about $117,841 at 4% or $78,561 at 6%; with 50% employer match about $78,561 at 4% or $52,374 at 6%; with 100% employer match about $58,920 at 4% or $39,280 at 6%.
20081111$3,918,381$480,415$4,328iApproximate average salary by contribution assumption: employee only about $108,202 at 4% or $72,134 at 6%; with 50% employer match about $72,134 at 4% or $48,090 at 6%; with 100% employer match about $54,101 at 4% or $36,067 at 6%.
Rocks Engineering 401(K) Plan-111$3,918,381$480,415$4,328iApproximate average salary by contribution assumption: employee only about $108,202 at 4% or $72,134 at 6%; with 50% employer match about $72,134 at 4% or $48,090 at 6%; with 100% employer match about $54,101 at 4% or $36,067 at 6%.
2007198$5,272,580$436,938$4,459iApproximate average salary by contribution assumption: employee only about $111,464 at 4% or $74,309 at 6%; with 50% employer match about $74,309 at 4% or $49,539 at 6%; with 100% employer match about $55,732 at 4% or $37,155 at 6%.
Rocks Engineering 401(K) Plan-98$5,272,580$436,938$4,459iApproximate average salary by contribution assumption: employee only about $111,464 at 4% or $74,309 at 6%; with 50% employer match about $74,309 at 4% or $49,539 at 6%; with 100% employer match about $55,732 at 4% or $37,155 at 6%.
2006199$4,668,803$422,435$4,267iApproximate average salary by contribution assumption: employee only about $106,676 at 4% or $71,117 at 6%; with 50% employer match about $71,117 at 4% or $47,411 at 6%; with 100% employer match about $53,338 at 4% or $35,559 at 6%.
Rocks Engineering 401(K) Plan-99$4,668,803$422,435$4,267iApproximate average salary by contribution assumption: employee only about $106,676 at 4% or $71,117 at 6%; with 50% employer match about $71,117 at 4% or $47,411 at 6%; with 100% employer match about $53,338 at 4% or $35,559 at 6%.
20051101$3,741,348$416,018$4,119iApproximate average salary by contribution assumption: employee only about $102,975 at 4% or $68,650 at 6%; with 50% employer match about $68,650 at 4% or $45,767 at 6%; with 100% employer match about $51,487 at 4% or $34,325 at 6%.
Rocks Engineering 401(K) Plan-101$3,741,348$416,018$4,119iApproximate average salary by contribution assumption: employee only about $102,975 at 4% or $68,650 at 6%; with 50% employer match about $68,650 at 4% or $45,767 at 6%; with 100% employer match about $51,487 at 4% or $34,325 at 6%.
20041113$3,400,043$349,746$3,095iApproximate average salary by contribution assumption: employee only about $77,377 at 4% or $51,585 at 6%; with 50% employer match about $51,585 at 4% or $34,390 at 6%; with 100% employer match about $38,689 at 4% or $25,792 at 6%.
Rocks Engineering 401(K) Plan-113$3,400,043$349,746$3,095iApproximate average salary by contribution assumption: employee only about $77,377 at 4% or $51,585 at 6%; with 50% employer match about $51,585 at 4% or $34,390 at 6%; with 100% employer match about $38,689 at 4% or $25,792 at 6%.
20031106$2,819,181$292,543$2,760iApproximate average salary by contribution assumption: employee only about $68,996 at 4% or $45,997 at 6%; with 50% employer match about $45,997 at 4% or $30,665 at 6%; with 100% employer match about $34,498 at 4% or $22,999 at 6%.
Rocks Engineering 401(K) Plan-106$2,819,181$292,543$2,760iApproximate average salary by contribution assumption: employee only about $68,996 at 4% or $45,997 at 6%; with 50% employer match about $45,997 at 4% or $30,665 at 6%; with 100% employer match about $34,498 at 4% or $22,999 at 6%.
20021104$2,111,722$291,305$2,801iApproximate average salary by contribution assumption: employee only about $70,025 at 4% or $46,683 at 6%; with 50% employer match about $46,683 at 4% or $31,122 at 6%; with 100% employer match about $35,013 at 4% or $23,342 at 6%.
Rocks Engineering 401(K) Plan-104$2,111,722$291,305$2,801iApproximate average salary by contribution assumption: employee only about $70,025 at 4% or $46,683 at 6%; with 50% employer match about $46,683 at 4% or $31,122 at 6%; with 100% employer match about $35,013 at 4% or $23,342 at 6%.
20011112$2,150,967$291,872$2,606iApproximate average salary by contribution assumption: employee only about $65,150 at 4% or $43,433 at 6%; with 50% employer match about $43,433 at 4% or $28,956 at 6%; with 100% employer match about $32,575 at 4% or $21,717 at 6%.
Rocks Engineering 401(K) Plan-112$2,150,967$291,872$2,606iApproximate average salary by contribution assumption: employee only about $65,150 at 4% or $43,433 at 6%; with 50% employer match about $43,433 at 4% or $28,956 at 6%; with 100% employer match about $32,575 at 4% or $21,717 at 6%.
20001123$2,272,852$282,484$2,297iApproximate average salary by contribution assumption: employee only about $57,415 at 4% or $38,277 at 6%; with 50% employer match about $38,277 at 4% or $25,518 at 6%; with 100% employer match about $28,708 at 4% or $19,138 at 6%.
Rocks Engineering 401(K) Plan-123$2,272,852$282,484$2,297iApproximate average salary by contribution assumption: employee only about $57,415 at 4% or $38,277 at 6%; with 50% employer match about $38,277 at 4% or $25,518 at 6%; with 100% employer match about $28,708 at 4% or $19,138 at 6%.
1999197$2,050,898$280,073$2,887iApproximate average salary by contribution assumption: employee only about $72,184 at 4% or $48,123 at 6%; with 50% employer match about $48,123 at 4% or $32,082 at 6%; with 100% employer match about $36,092 at 4% or $24,061 at 6%.
Rocks Engineering 401(K) Plan-97$2,050,898$280,073$2,887iApproximate average salary by contribution assumption: employee only about $72,184 at 4% or $48,123 at 6%; with 50% employer match about $48,123 at 4% or $32,082 at 6%; with 100% employer match about $36,092 at 4% or $24,061 at 6%.