Civic Intelligence

Great Lakes Mechanical Systems Inc. DBA D & W Mechanical

Plan context: D & W Mechanical 401(K) Plan

EIN 38-2765947 • Traverse City, MI • 29 filings • 4 plans

1266 Industry Dr., Suite ATraverse City, MI 49696
Current Snapshot

Latest Year

2025

2025 Participants

115

2025 Assets

$7,558,492

2025 Contributions

$787,590

Historical Graphs

Total Assets Over Time

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

$7,792,138$3,896,069$0199920132025YearValue
$7,558,492Latest year 2025

Participants Over Time

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

117590199920122025YearValue
115Latest 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
20251115$7,558,492$787,590$6,849iApproximate average salary by contribution assumption: employee only about $171,215 at 4% or $114,143 at 6%; with 50% employer match about $114,143 at 4% or $76,096 at 6%; with 100% employer match about $85,608 at 4% or $57,072 at 6%.
D & W Mechanical 401(K) Plan-115$7,558,492$787,590$6,849iApproximate average salary by contribution assumption: employee only about $171,215 at 4% or $114,143 at 6%; with 50% employer match about $114,143 at 4% or $76,096 at 6%; with 100% employer match about $85,608 at 4% or $57,072 at 6%.
20242117$7,792,138$858,732$7,340iApproximate average salary by contribution assumption: employee only about $183,490 at 4% or $122,326 at 6%; with 50% employer match about $122,326 at 4% or $81,551 at 6%; with 100% employer match about $91,745 at 4% or $61,163 at 6%.
D & W Mechanical 401(K) Plan-117$7,792,138$858,732$7,340iApproximate average salary by contribution assumption: employee only about $183,490 at 4% or $122,326 at 6%; with 50% employer match about $122,326 at 4% or $81,551 at 6%; with 100% employer match about $91,745 at 4% or $61,163 at 6%.
D&W Mechanical Health & Welfare Plan-104---
20232117$7,411,670$808,561$6,911iApproximate average salary by contribution assumption: employee only about $172,769 at 4% or $115,180 at 6%; with 50% employer match about $115,180 at 4% or $76,786 at 6%; with 100% employer match about $86,385 at 4% or $57,590 at 6%.
D & W Mechanical 401(K) Plan-117$7,411,670$808,561$6,911iApproximate average salary by contribution assumption: employee only about $172,769 at 4% or $115,180 at 6%; with 50% employer match about $115,180 at 4% or $76,786 at 6%; with 100% employer match about $86,385 at 4% or $57,590 at 6%.
D&W Mechanical Health & Welfare Plan-115---
20221105$6,167,401$640,179$6,097iApproximate average salary by contribution assumption: employee only about $152,424 at 4% or $101,616 at 6%; with 50% employer match about $101,616 at 4% or $67,744 at 6%; with 100% employer match about $76,212 at 4% or $50,808 at 6%.
D & W Mechanical 401(K) Plan-105$6,167,401$640,179$6,097iApproximate average salary by contribution assumption: employee only about $152,424 at 4% or $101,616 at 6%; with 50% employer match about $101,616 at 4% or $67,744 at 6%; with 100% employer match about $76,212 at 4% or $50,808 at 6%.
20211111$7,298,075$638,924$5,756iApproximate average salary by contribution assumption: employee only about $143,902 at 4% or $95,935 at 6%; with 50% employer match about $95,935 at 4% or $63,956 at 6%; with 100% employer match about $71,951 at 4% or $47,967 at 6%.
D & W Mechanical 401(K) Plan-111$7,298,075$638,924$5,756iApproximate average salary by contribution assumption: employee only about $143,902 at 4% or $95,935 at 6%; with 50% employer match about $95,935 at 4% or $63,956 at 6%; with 100% employer match about $71,951 at 4% or $47,967 at 6%.
20201116$6,121,227$547,391$4,719iApproximate average salary by contribution assumption: employee only about $117,972 at 4% or $78,648 at 6%; with 50% employer match about $78,648 at 4% or $52,432 at 6%; with 100% employer match about $58,986 at 4% or $39,324 at 6%.
D & W Mechanical 401(K) Plan-116$6,121,227$547,391$4,719iApproximate average salary by contribution assumption: employee only about $117,972 at 4% or $78,648 at 6%; with 50% employer match about $78,648 at 4% or $52,432 at 6%; with 100% employer match about $58,986 at 4% or $39,324 at 6%.
2019197$4,557,835$399,437$4,118iApproximate average salary by contribution assumption: employee only about $102,948 at 4% or $68,632 at 6%; with 50% employer match about $68,632 at 4% or $45,755 at 6%; with 100% employer match about $51,474 at 4% or $34,316 at 6%.
D & W Mechanical 401(K) Plan-97$4,557,835$399,437$4,118iApproximate average salary by contribution assumption: employee only about $102,948 at 4% or $68,632 at 6%; with 50% employer match about $68,632 at 4% or $45,755 at 6%; with 100% employer match about $51,474 at 4% or $34,316 at 6%.
2018195$3,922,371$497,247$5,234iApproximate average salary by contribution assumption: employee only about $130,854 at 4% or $87,236 at 6%; with 50% employer match about $87,236 at 4% or $58,158 at 6%; with 100% employer match about $65,427 at 4% or $43,618 at 6%.
D & W Mechanical 401(K) Plan-95$3,922,371$497,247$5,234iApproximate average salary by contribution assumption: employee only about $130,854 at 4% or $87,236 at 6%; with 50% employer match about $87,236 at 4% or $58,158 at 6%; with 100% employer match about $65,427 at 4% or $43,618 at 6%.
2017188$4,236,650$411,967$4,681iApproximate average salary by contribution assumption: employee only about $117,036 at 4% or $78,024 at 6%; with 50% employer match about $78,024 at 4% or $52,016 at 6%; with 100% employer match about $58,518 at 4% or $39,012 at 6%.
D & W Mechanical 401(K) Plan-88$4,236,650$411,967$4,681iApproximate average salary by contribution assumption: employee only about $117,036 at 4% or $78,024 at 6%; with 50% employer match about $78,024 at 4% or $52,016 at 6%; with 100% employer match about $58,518 at 4% or $39,012 at 6%.
2016184$3,725,389$395,205$4,705iApproximate average salary by contribution assumption: employee only about $117,621 at 4% or $78,414 at 6%; with 50% employer match about $78,414 at 4% or $52,276 at 6%; with 100% employer match about $58,810 at 4% or $39,207 at 6%.
D & W Mechanical 401(K) Plan-84$3,725,389$395,205$4,705iApproximate average salary by contribution assumption: employee only about $117,621 at 4% or $78,414 at 6%; with 50% employer match about $78,414 at 4% or $52,276 at 6%; with 100% employer match about $58,810 at 4% or $39,207 at 6%.
2015177$3,348,683$439,058$5,702iApproximate average salary by contribution assumption: employee only about $142,551 at 4% or $95,034 at 6%; with 50% employer match about $95,034 at 4% or $63,356 at 6%; with 100% employer match about $71,276 at 4% or $47,517 at 6%.
D & W Mechanical 401(K) Plan-77$3,348,683$439,058$5,702iApproximate average salary by contribution assumption: employee only about $142,551 at 4% or $95,034 at 6%; with 50% employer match about $95,034 at 4% or $63,356 at 6%; with 100% employer match about $71,276 at 4% or $47,517 at 6%.
2014165$3,253,501$412,132$6,340iApproximate average salary by contribution assumption: employee only about $158,512 at 4% or $105,675 at 6%; with 50% employer match about $105,675 at 4% or $70,450 at 6%; with 100% employer match about $79,256 at 4% or $52,837 at 6%.
D & W Mechanical 401(K) Plan-65$3,253,501$412,132$6,340iApproximate average salary by contribution assumption: employee only about $158,512 at 4% or $105,675 at 6%; with 50% employer match about $105,675 at 4% or $70,450 at 6%; with 100% employer match about $79,256 at 4% or $52,837 at 6%.
2013157$2,807,963$350,724$6,153iApproximate average salary by contribution assumption: employee only about $153,826 at 4% or $102,551 at 6%; with 50% employer match about $102,551 at 4% or $68,367 at 6%; with 100% employer match about $76,913 at 4% or $51,275 at 6%.
D & W Mechanical 401(K) Plan-57$2,807,963$350,724$6,153iApproximate average salary by contribution assumption: employee only about $153,826 at 4% or $102,551 at 6%; with 50% employer match about $102,551 at 4% or $68,367 at 6%; with 100% employer match about $76,913 at 4% or $51,275 at 6%.
2012153$2,347,005$363,146$6,852iApproximate average salary by contribution assumption: employee only about $171,295 at 4% or $114,197 at 6%; with 50% employer match about $114,197 at 4% or $76,131 at 6%; with 100% employer match about $85,648 at 4% or $57,098 at 6%.
D & W Mechanical 401(K) Plan-53$2,347,005$363,146$6,852iApproximate average salary by contribution assumption: employee only about $171,295 at 4% or $114,197 at 6%; with 50% employer match about $114,197 at 4% or $76,131 at 6%; with 100% employer match about $85,648 at 4% or $57,098 at 6%.
2011148$1,787,122$406,229$8,463iApproximate average salary by contribution assumption: employee only about $211,578 at 4% or $141,052 at 6%; with 50% employer match about $141,052 at 4% or $94,034 at 6%; with 100% employer match about $105,789 at 4% or $70,526 at 6%.
D & W Mechanical 401(K) Plan-48$1,787,122$406,229$8,463iApproximate average salary by contribution assumption: employee only about $211,578 at 4% or $141,052 at 6%; with 50% employer match about $141,052 at 4% or $94,034 at 6%; with 100% employer match about $105,789 at 4% or $70,526 at 6%.
2010148$1,502,819$211,955$4,416iApproximate average salary by contribution assumption: employee only about $110,393 at 4% or $73,595 at 6%; with 50% employer match about $73,595 at 4% or $49,064 at 6%; with 100% employer match about $55,197 at 4% or $36,798 at 6%.
D & W Mechanical 401(K) Plan-48$1,502,819$211,955$4,416iApproximate average salary by contribution assumption: employee only about $110,393 at 4% or $73,595 at 6%; with 50% employer match about $73,595 at 4% or $49,064 at 6%; with 100% employer match about $55,197 at 4% or $36,798 at 6%.
2009134$1,396,522$204,834$6,025iApproximate average salary by contribution assumption: employee only about $150,613 at 4% or $100,409 at 6%; with 50% employer match about $100,409 at 4% or $66,939 at 6%; with 100% employer match about $75,307 at 4% or $50,204 at 6%.
D & W Mechanical 401(K) Plan-34$1,396,522$204,834$6,025iApproximate average salary by contribution assumption: employee only about $150,613 at 4% or $100,409 at 6%; with 50% employer match about $100,409 at 4% or $66,939 at 6%; with 100% employer match about $75,307 at 4% or $50,204 at 6%.
2008142$1,182,401$192,826$4,591iApproximate average salary by contribution assumption: employee only about $114,777 at 4% or $76,518 at 6%; with 50% employer match about $76,518 at 4% or $51,012 at 6%; with 100% employer match about $57,389 at 4% or $38,259 at 6%.
D & W Mechanical 401(K) Plan-42$1,182,401$192,826$4,591iApproximate average salary by contribution assumption: employee only about $114,777 at 4% or $76,518 at 6%; with 50% employer match about $76,518 at 4% or $51,012 at 6%; with 100% employer match about $57,389 at 4% or $38,259 at 6%.
2007144$0$0-
D & W Mechanical 401(K) Plan-44---
2006144$1,350,536$258,840$5,883iApproximate average salary by contribution assumption: employee only about $147,068 at 4% or $98,045 at 6%; with 50% employer match about $98,045 at 4% or $65,364 at 6%; with 100% employer match about $73,534 at 4% or $49,023 at 6%.
D & W Mechanical 401(K) Plan-44$1,350,536$258,840$5,883iApproximate average salary by contribution assumption: employee only about $147,068 at 4% or $98,045 at 6%; with 50% employer match about $98,045 at 4% or $65,364 at 6%; with 100% employer match about $73,534 at 4% or $49,023 at 6%.
2005143$1,005,076$199,935$4,650iApproximate average salary by contribution assumption: employee only about $116,241 at 4% or $77,494 at 6%; with 50% employer match about $77,494 at 4% or $51,663 at 6%; with 100% employer match about $58,121 at 4% or $38,747 at 6%.
D & W Mechanical 401(K) Plan-43$1,005,076$199,935$4,650iApproximate average salary by contribution assumption: employee only about $116,241 at 4% or $77,494 at 6%; with 50% employer match about $77,494 at 4% or $51,663 at 6%; with 100% employer match about $58,121 at 4% or $38,747 at 6%.
2004138$766,041$129,826$3,416iApproximate average salary by contribution assumption: employee only about $85,412 at 4% or $56,941 at 6%; with 50% employer match about $56,941 at 4% or $37,961 at 6%; with 100% employer match about $42,706 at 4% or $28,471 at 6%.
D & W Mechanical 401(K) Plan-38$766,041$129,826$3,416iApproximate average salary by contribution assumption: employee only about $85,412 at 4% or $56,941 at 6%; with 50% employer match about $56,941 at 4% or $37,961 at 6%; with 100% employer match about $42,706 at 4% or $28,471 at 6%.
2003142$633,746$192,112$4,574iApproximate average salary by contribution assumption: employee only about $114,352 at 4% or $76,235 at 6%; with 50% employer match about $76,235 at 4% or $50,823 at 6%; with 100% employer match about $57,176 at 4% or $38,117 at 6%.
D & W Mechanical 401(K) Plan-42$633,746$192,112$4,574iApproximate average salary by contribution assumption: employee only about $114,352 at 4% or $76,235 at 6%; with 50% employer match about $76,235 at 4% or $50,823 at 6%; with 100% employer match about $57,176 at 4% or $38,117 at 6%.
2002137$0$0-
D & W Mechanical 401(K) Plan-37---
2001137$386,161$105,064$2,840iApproximate average salary by contribution assumption: employee only about $70,989 at 4% or $47,326 at 6%; with 50% employer match about $47,326 at 4% or $31,551 at 6%; with 100% employer match about $35,495 at 4% or $23,663 at 6%.
D & W Mechanical 401(K) Plan-37$386,161$105,064$2,840iApproximate average salary by contribution assumption: employee only about $70,989 at 4% or $47,326 at 6%; with 50% employer match about $47,326 at 4% or $31,551 at 6%; with 100% employer match about $35,495 at 4% or $23,663 at 6%.
2000136$367,285$104,858$2,913iApproximate average salary by contribution assumption: employee only about $72,818 at 4% or $48,545 at 6%; with 50% employer match about $48,545 at 4% or $32,364 at 6%; with 100% employer match about $36,409 at 4% or $24,273 at 6%.
D & W Mechanical 401(K) Plan-36$367,285$104,858$2,913iApproximate average salary by contribution assumption: employee only about $72,818 at 4% or $48,545 at 6%; with 50% employer match about $48,545 at 4% or $32,364 at 6%; with 100% employer match about $36,409 at 4% or $24,273 at 6%.
1999135$342,700$77,857$2,224iApproximate average salary by contribution assumption: employee only about $55,612 at 4% or $37,075 at 6%; with 50% employer match about $37,075 at 4% or $24,717 at 6%; with 100% employer match about $27,806 at 4% or $18,537 at 6%.
D & W Mechanical 401(K) Plan-35$342,700$77,857$2,224iApproximate average salary by contribution assumption: employee only about $55,612 at 4% or $37,075 at 6%; with 50% employer match about $37,075 at 4% or $24,717 at 6%; with 100% employer match about $27,806 at 4% or $18,537 at 6%.