Civic Intelligence

DIAMOND CONSTRUCTION

Plan context: Diamond Construction Inc. Retirement Savings Plan

EIN 81-0476311 • Helena, MT • 34 filings • 3 plans

2905 North Montana Avenue, Suite 20Helena, MT 59601
Current Snapshot

Latest Year

2025

2025 Participants

65

2025 Assets

$1,302,622

2025 Contributions

$92,896

Historical Graphs

Total Assets Over Time

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

$2,204,405$1,102,203$0200220142025YearValue
$1,302,622Latest year 2025

Participants Over Time

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

105530200020132025YearValue
65Latest 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
2025165$1,302,622$92,896$1,429iApproximate average salary by contribution assumption: employee only about $35,729 at 4% or $23,819 at 6%; with 50% employer match about $23,819 at 4% or $15,880 at 6%; with 100% employer match about $17,865 at 4% or $11,910 at 6%.
Diamond Construction Inc. Retirement Savings Plan-65$1,302,622$92,896$1,429iApproximate average salary by contribution assumption: employee only about $35,729 at 4% or $23,819 at 6%; with 50% employer match about $23,819 at 4% or $15,880 at 6%; with 100% employer match about $17,865 at 4% or $11,910 at 6%.
2024274$1,398,121$108,842$1,471iApproximate average salary by contribution assumption: employee only about $36,771 at 4% or $24,514 at 6%; with 50% employer match about $24,514 at 4% or $16,343 at 6%; with 100% employer match about $18,385 at 4% or $12,257 at 6%.
Diamond Construction Inc. Retirement Savings Plan-74$1,330,750$81,390$1,100iApproximate average salary by contribution assumption: employee only about $27,497 at 4% or $18,331 at 6%; with 50% employer match about $18,331 at 4% or $12,221 at 6%; with 100% employer match about $13,748 at 4% or $9,166 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-33$67,371$27,452$832iApproximate average salary by contribution assumption: employee only about $20,797 at 4% or $13,865 at 6%; with 50% employer match about $13,865 at 4% or $9,243 at 6%; with 100% employer match about $10,398 at 4% or $6,932 at 6%.
2023269$1,402,238$184,023$2,667iApproximate average salary by contribution assumption: employee only about $66,675 at 4% or $44,450 at 6%; with 50% employer match about $44,450 at 4% or $29,633 at 6%; with 100% employer match about $33,338 at 4% or $22,225 at 6%.
Diamond Construction Inc. Retirement Savings Plan-69$1,279,184$98,982$1,435iApproximate average salary by contribution assumption: employee only about $35,863 at 4% or $23,909 at 6%; with 50% employer match about $23,909 at 4% or $15,939 at 6%; with 100% employer match about $17,932 at 4% or $11,954 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-39$123,054$85,041$2,181iApproximate average salary by contribution assumption: employee only about $54,513 at 4% or $36,342 at 6%; with 50% employer match about $36,342 at 4% or $24,228 at 6%; with 100% employer match about $27,257 at 4% or $18,171 at 6%.
2022273$1,707,719$181,186$2,482iApproximate average salary by contribution assumption: employee only about $62,050 at 4% or $41,367 at 6%; with 50% employer match about $41,367 at 4% or $27,578 at 6%; with 100% employer match about $31,025 at 4% or $20,683 at 6%.
Diamond Construction Inc. Retirement Savings Plan-73$1,604,618$103,354$1,416iApproximate average salary by contribution assumption: employee only about $35,395 at 4% or $23,597 at 6%; with 50% employer match about $23,597 at 4% or $15,731 at 6%; with 100% employer match about $17,698 at 4% or $11,798 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-41$103,101$77,832$1,898iApproximate average salary by contribution assumption: employee only about $47,459 at 4% or $31,639 at 6%; with 50% employer match about $31,639 at 4% or $21,093 at 6%; with 100% employer match about $23,729 at 4% or $15,820 at 6%.
2021272$1,977,730$263,640$3,662iApproximate average salary by contribution assumption: employee only about $91,542 at 4% or $61,028 at 6%; with 50% employer match about $61,028 at 4% or $40,685 at 6%; with 100% employer match about $45,771 at 4% or $30,514 at 6%.
Diamond Construction Inc. Retirement Savings Plan-72$1,827,113$139,987$1,944iApproximate average salary by contribution assumption: employee only about $48,607 at 4% or $32,404 at 6%; with 50% employer match about $32,404 at 4% or $21,603 at 6%; with 100% employer match about $24,303 at 4% or $16,202 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-44$150,617$123,653$2,810iApproximate average salary by contribution assumption: employee only about $70,257 at 4% or $46,838 at 6%; with 50% employer match about $46,838 at 4% or $31,226 at 6%; with 100% employer match about $35,129 at 4% or $23,419 at 6%.
2020268$1,964,782$309,964$4,558iApproximate average salary by contribution assumption: employee only about $113,957 at 4% or $75,972 at 6%; with 50% employer match about $75,972 at 4% or $50,648 at 6%; with 100% employer match about $56,979 at 4% or $37,986 at 6%.
Diamond Construction Inc. Retirement Savings Plan-68$1,789,585$130,839$1,924iApproximate average salary by contribution assumption: employee only about $48,103 at 4% or $32,068 at 6%; with 50% employer match about $32,068 at 4% or $21,379 at 6%; with 100% employer match about $24,051 at 4% or $16,034 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-47$175,197$179,125$3,811iApproximate average salary by contribution assumption: employee only about $95,279 at 4% or $63,520 at 6%; with 50% employer match about $63,520 at 4% or $42,346 at 6%; with 100% employer match about $47,640 at 4% or $31,760 at 6%.
2019254$2,062,877$224,098$4,150iApproximate average salary by contribution assumption: employee only about $103,749 at 4% or $69,166 at 6%; with 50% employer match about $69,166 at 4% or $46,111 at 6%; with 100% employer match about $51,875 at 4% or $34,583 at 6%.
Diamond Construction Inc. Retirement Savings Plan-54$1,950,367$107,911$1,998iApproximate average salary by contribution assumption: employee only about $49,959 at 4% or $33,306 at 6%; with 50% employer match about $33,306 at 4% or $22,204 at 6%; with 100% employer match about $24,979 at 4% or $16,653 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-30$112,510$116,187$3,873iApproximate average salary by contribution assumption: employee only about $96,823 at 4% or $64,548 at 6%; with 50% employer match about $64,548 at 4% or $43,032 at 6%; with 100% employer match about $48,411 at 4% or $32,274 at 6%.
2018264$1,801,317$244,966$3,828iApproximate average salary by contribution assumption: employee only about $95,690 at 4% or $63,793 at 6%; with 50% employer match about $63,793 at 4% or $42,529 at 6%; with 100% employer match about $47,845 at 4% or $31,897 at 6%.
Diamond Construction Inc. Retirement Savings Plan-64$1,687,674$128,419$2,007iApproximate average salary by contribution assumption: employee only about $50,164 at 4% or $33,442 at 6%; with 50% employer match about $33,442 at 4% or $22,295 at 6%; with 100% employer match about $25,082 at 4% or $16,721 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-63$113,643$116,547$1,850iApproximate average salary by contribution assumption: employee only about $46,249 at 4% or $30,833 at 6%; with 50% employer match about $30,833 at 4% or $20,555 at 6%; with 100% employer match about $23,124 at 4% or $15,416 at 6%.
2017263$2,204,405$221,283$3,512iApproximate average salary by contribution assumption: employee only about $87,811 at 4% or $58,540 at 6%; with 50% employer match about $58,540 at 4% or $39,027 at 6%; with 100% employer match about $43,905 at 4% or $29,270 at 6%.
Diamond Construction Inc. Retirement Savings Plan-63$2,160,243$158,990$2,524iApproximate average salary by contribution assumption: employee only about $63,091 at 4% or $42,061 at 6%; with 50% employer match about $42,061 at 4% or $28,041 at 6%; with 100% employer match about $31,546 at 4% or $21,030 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-30$44,162$62,293$2,076iApproximate average salary by contribution assumption: employee only about $51,911 at 4% or $34,607 at 6%; with 50% employer match about $34,607 at 4% or $23,071 at 6%; with 100% employer match about $25,955 at 4% or $17,304 at 6%.
2016289$2,068,315$141,930$1,595iApproximate average salary by contribution assumption: employee only about $39,868 at 4% or $26,579 at 6%; with 50% employer match about $26,579 at 4% or $17,719 at 6%; with 100% employer match about $19,934 at 4% or $13,289 at 6%.
Diamond Construction Inc. Retirement Savings Plan-89$2,063,282$134,877$1,515iApproximate average salary by contribution assumption: employee only about $37,887 at 4% or $25,258 at 6%; with 50% employer match about $25,258 at 4% or $16,839 at 6%; with 100% employer match about $18,943 at 4% or $12,629 at 6%.
Builders & Contractors Supp Unemployment Ins Plan-16$5,033$7,053$441iApproximate average salary by contribution assumption: employee only about $11,020 at 4% or $7,347 at 6%; with 50% employer match about $7,347 at 4% or $4,898 at 6%; with 100% employer match about $5,510 at 4% or $3,673 at 6%.
2015177$1,891,007$123,676$1,606iApproximate average salary by contribution assumption: employee only about $40,155 at 4% or $26,770 at 6%; with 50% employer match about $26,770 at 4% or $17,846 at 6%; with 100% employer match about $20,077 at 4% or $13,385 at 6%.
Diamond Construction Inc. Retirement Savings Plan-77$1,891,007$123,676$1,606iApproximate average salary by contribution assumption: employee only about $40,155 at 4% or $26,770 at 6%; with 50% employer match about $26,770 at 4% or $17,846 at 6%; with 100% employer match about $20,077 at 4% or $13,385 at 6%.
2014170$1,756,776$120,595$1,723iApproximate average salary by contribution assumption: employee only about $43,070 at 4% or $28,713 at 6%; with 50% employer match about $28,713 at 4% or $19,142 at 6%; with 100% employer match about $21,535 at 4% or $14,357 at 6%.
Diamond Construction Inc. Retirement Savings Plan-70$1,756,776$120,595$1,723iApproximate average salary by contribution assumption: employee only about $43,070 at 4% or $28,713 at 6%; with 50% employer match about $28,713 at 4% or $19,142 at 6%; with 100% employer match about $21,535 at 4% or $14,357 at 6%.
2013165$1,667,068$112,723$1,734iApproximate average salary by contribution assumption: employee only about $43,355 at 4% or $28,903 at 6%; with 50% employer match about $28,903 at 4% or $19,269 at 6%; with 100% employer match about $21,678 at 4% or $14,452 at 6%.
Diamond Construction Inc. Retirement Savings Plan-65$1,667,068$112,723$1,734iApproximate average salary by contribution assumption: employee only about $43,355 at 4% or $28,903 at 6%; with 50% employer match about $28,903 at 4% or $19,269 at 6%; with 100% employer match about $21,678 at 4% or $14,452 at 6%.
2012166$1,424,176$88,479$1,341iApproximate average salary by contribution assumption: employee only about $33,515 at 4% or $22,343 at 6%; with 50% employer match about $22,343 at 4% or $14,895 at 6%; with 100% employer match about $16,757 at 4% or $11,172 at 6%.
Diamond Construction Inc. Retirement Savings Plan-66$1,424,176$88,479$1,341iApproximate average salary by contribution assumption: employee only about $33,515 at 4% or $22,343 at 6%; with 50% employer match about $22,343 at 4% or $14,895 at 6%; with 100% employer match about $16,757 at 4% or $11,172 at 6%.
2011165$1,288,220$68,460$1,053iApproximate average salary by contribution assumption: employee only about $26,331 at 4% or $17,554 at 6%; with 50% employer match about $17,554 at 4% or $11,703 at 6%; with 100% employer match about $13,165 at 4% or $8,777 at 6%.
Diamond Construction Inc. Retirement Savings Plan-65$1,288,220$68,460$1,053iApproximate average salary by contribution assumption: employee only about $26,331 at 4% or $17,554 at 6%; with 50% employer match about $17,554 at 4% or $11,703 at 6%; with 100% employer match about $13,165 at 4% or $8,777 at 6%.
2010165$1,375,479$76,813$1,182iApproximate average salary by contribution assumption: employee only about $29,543 at 4% or $19,696 at 6%; with 50% employer match about $19,696 at 4% or $13,130 at 6%; with 100% employer match about $14,772 at 4% or $9,848 at 6%.
Diamond Construction Inc. Retirement Savings Plan-65$1,375,479$76,813$1,182iApproximate average salary by contribution assumption: employee only about $29,543 at 4% or $19,696 at 6%; with 50% employer match about $19,696 at 4% or $13,130 at 6%; with 100% employer match about $14,772 at 4% or $9,848 at 6%.
2009192$1,283,076$115,613$1,257iApproximate average salary by contribution assumption: employee only about $31,417 at 4% or $20,944 at 6%; with 50% employer match about $20,944 at 4% or $13,963 at 6%; with 100% employer match about $15,708 at 4% or $10,472 at 6%.
Diamond Construction Inc. Retirement Savings Plan-92$1,283,076$115,613$1,257iApproximate average salary by contribution assumption: employee only about $31,417 at 4% or $20,944 at 6%; with 50% employer match about $20,944 at 4% or $13,963 at 6%; with 100% employer match about $15,708 at 4% or $10,472 at 6%.
2008194$1,048,099$167,182$1,779iApproximate average salary by contribution assumption: employee only about $44,463 at 4% or $29,642 at 6%; with 50% employer match about $29,642 at 4% or $19,761 at 6%; with 100% employer match about $22,232 at 4% or $14,821 at 6%.
Diamond Construction Inc. Retirement Savings Plan-94$1,048,099$167,182$1,779iApproximate average salary by contribution assumption: employee only about $44,463 at 4% or $29,642 at 6%; with 50% employer match about $29,642 at 4% or $19,761 at 6%; with 100% employer match about $22,232 at 4% or $14,821 at 6%.
2007193$1,164,705$146,770$1,578iApproximate average salary by contribution assumption: employee only about $39,454 at 4% or $26,303 at 6%; with 50% employer match about $26,303 at 4% or $17,535 at 6%; with 100% employer match about $19,727 at 4% or $13,151 at 6%.
Diamond Construction Inc. Retirement Savings Plan-93$1,164,705$146,770$1,578iApproximate average salary by contribution assumption: employee only about $39,454 at 4% or $26,303 at 6%; with 50% employer match about $26,303 at 4% or $17,535 at 6%; with 100% employer match about $19,727 at 4% or $13,151 at 6%.
2006179$1,050,297$113,034$1,431iApproximate average salary by contribution assumption: employee only about $35,770 at 4% or $23,847 at 6%; with 50% employer match about $23,847 at 4% or $15,898 at 6%; with 100% employer match about $17,885 at 4% or $11,923 at 6%.
Diamond Construction Inc. Retirement Savings Plan-79$1,050,297$113,034$1,431iApproximate average salary by contribution assumption: employee only about $35,770 at 4% or $23,847 at 6%; with 50% employer match about $23,847 at 4% or $15,898 at 6%; with 100% employer match about $17,885 at 4% or $11,923 at 6%.
2005184$898,366$84,242$1,003iApproximate average salary by contribution assumption: employee only about $25,072 at 4% or $16,715 at 6%; with 50% employer match about $16,715 at 4% or $11,143 at 6%; with 100% employer match about $12,536 at 4% or $8,357 at 6%.
Diamond Construction Inc. Retirement Savings Plan-84$898,366$84,242$1,003iApproximate average salary by contribution assumption: employee only about $25,072 at 4% or $16,715 at 6%; with 50% employer match about $16,715 at 4% or $11,143 at 6%; with 100% employer match about $12,536 at 4% or $8,357 at 6%.
20041105$968,905$103,955$990iApproximate average salary by contribution assumption: employee only about $24,751 at 4% or $16,501 at 6%; with 50% employer match about $16,501 at 4% or $11,001 at 6%; with 100% employer match about $12,376 at 4% or $8,250 at 6%.
Diamond Construction Inc. Retirement Savings Plan-105$968,905$103,955$990iApproximate average salary by contribution assumption: employee only about $24,751 at 4% or $16,501 at 6%; with 50% employer match about $16,501 at 4% or $11,001 at 6%; with 100% employer match about $12,376 at 4% or $8,250 at 6%.
2003193$848,951$95,361$1,025iApproximate average salary by contribution assumption: employee only about $25,635 at 4% or $17,090 at 6%; with 50% employer match about $17,090 at 4% or $11,393 at 6%; with 100% employer match about $12,817 at 4% or $8,545 at 6%.
Diamond Construction Inc. Retirement Savings Plan-93$848,951$95,361$1,025iApproximate average salary by contribution assumption: employee only about $25,635 at 4% or $17,090 at 6%; with 50% employer match about $17,090 at 4% or $11,393 at 6%; with 100% employer match about $12,817 at 4% or $8,545 at 6%.
2002168$732,962$17,123$252iApproximate average salary by contribution assumption: employee only about $6,295 at 4% or $4,197 at 6%; with 50% employer match about $4,197 at 4% or $2,798 at 6%; with 100% employer match about $3,148 at 4% or $2,098 at 6%.
Diamond Construction Inc. Retirement Savings Plan-68$732,962$17,123$252iApproximate average salary by contribution assumption: employee only about $6,295 at 4% or $4,197 at 6%; with 50% employer match about $4,197 at 4% or $2,798 at 6%; with 100% employer match about $3,148 at 4% or $2,098 at 6%.
20001105$0$0-
Diamond Construction Inc. Retirement Savings Plan-105---