Civic Intelligence

OYNAMIC ENGINEERING, INC

Plan context: Dynamic Engineering Inc. Employee 401(K) Plan

EIN 46-0362713 • Watertown, SD • 49 filings • 7 plans

221 Cessna StWatertown, SD 57201
Current Snapshot

Latest Year

2025

2025 Participants

64

2025 Assets

$9,100,235

2025 Contributions

$1,530,277

Historical Graphs

Total Assets Over Time

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

$9,999,067$4,999,534$0199920132025YearValue
$9,100,235Latest year 2025

Participants Over Time

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

122610199920122025YearValue
64Latest 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
2025164$9,100,235$1,530,277$23,911iApproximate average salary by contribution assumption: employee only about $597,764 at 4% or $398,510 at 6%; with 50% employer match about $398,510 at 4% or $265,673 at 6%; with 100% employer match about $298,882 at 4% or $199,255 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-64$9,100,235$1,530,277$23,911iApproximate average salary by contribution assumption: employee only about $597,764 at 4% or $398,510 at 6%; with 50% employer match about $398,510 at 4% or $265,673 at 6%; with 100% employer match about $298,882 at 4% or $199,255 at 6%.
2024265$9,999,067$959,151$14,756iApproximate average salary by contribution assumption: employee only about $368,904 at 4% or $245,936 at 6%; with 50% employer match about $245,936 at 4% or $163,957 at 6%; with 100% employer match about $184,452 at 4% or $122,968 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-65$6,593,836$959,151$14,756iApproximate average salary by contribution assumption: employee only about $368,904 at 4% or $245,936 at 6%; with 50% employer match about $245,936 at 4% or $163,957 at 6%; with 100% employer match about $184,452 at 4% or $122,968 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-59$3,405,231--
2023264$7,804,827$614,578$9,603iApproximate average salary by contribution assumption: employee only about $240,070 at 4% or $160,046 at 6%; with 50% employer match about $160,046 at 4% or $106,698 at 6%; with 100% employer match about $120,035 at 4% or $80,023 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-64$5,838,825$614,578$9,603iApproximate average salary by contribution assumption: employee only about $240,070 at 4% or $160,046 at 6%; with 50% employer match about $160,046 at 4% or $106,698 at 6%; with 100% employer match about $120,035 at 4% or $80,023 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-56$1,966,002--
2022264$6,216,118$621,708$9,714iApproximate average salary by contribution assumption: employee only about $242,855 at 4% or $161,903 at 6%; with 50% employer match about $161,903 at 4% or $107,935 at 6%; with 100% employer match about $121,427 at 4% or $80,952 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-64$4,510,516$621,708$9,714iApproximate average salary by contribution assumption: employee only about $242,855 at 4% or $161,903 at 6%; with 50% employer match about $161,903 at 4% or $107,935 at 6%; with 100% employer match about $121,427 at 4% or $80,952 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-60$1,705,602--
2021263$6,897,841$619,878$9,839iApproximate average salary by contribution assumption: employee only about $245,983 at 4% or $163,989 at 6%; with 50% employer match about $163,989 at 4% or $109,326 at 6%; with 100% employer match about $122,992 at 4% or $81,994 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-63$5,201,760$619,878$9,839iApproximate average salary by contribution assumption: employee only about $245,983 at 4% or $163,989 at 6%; with 50% employer match about $163,989 at 4% or $109,326 at 6%; with 100% employer match about $122,992 at 4% or $81,994 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-60$1,696,081--
2020367$7,517,217$376,872$5,625iApproximate average salary by contribution assumption: employee only about $140,624 at 4% or $93,749 at 6%; with 50% employer match about $93,749 at 4% or $62,500 at 6%; with 100% employer match about $70,312 at 4% or $46,875 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-67$4,192,963$376,872$5,625iApproximate average salary by contribution assumption: employee only about $140,624 at 4% or $93,749 at 6%; with 50% employer match about $93,749 at 4% or $62,500 at 6%; with 100% employer match about $70,312 at 4% or $46,875 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-64$1,662,127--
Dynamic Engineering Inc. Employees Stock Ownership Trust-64$1,662,127--
2019269$5,093,115$375,556$5,443iApproximate average salary by contribution assumption: employee only about $136,071 at 4% or $90,714 at 6%; with 50% employer match about $90,714 at 4% or $60,476 at 6%; with 100% employer match about $68,036 at 4% or $45,357 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-69$3,297,054$375,556$5,443iApproximate average salary by contribution assumption: employee only about $136,071 at 4% or $90,714 at 6%; with 50% employer match about $90,714 at 4% or $60,476 at 6%; with 100% employer match about $68,036 at 4% or $45,357 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-66$1,796,061--
2018268$5,061,113$776,610$11,421iApproximate average salary by contribution assumption: employee only about $285,518 at 4% or $190,346 at 6%; with 50% employer match about $190,346 at 4% or $126,897 at 6%; with 100% employer match about $142,759 at 4% or $95,173 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-68$2,980,800$776,610$11,421iApproximate average salary by contribution assumption: employee only about $285,518 at 4% or $190,346 at 6%; with 50% employer match about $190,346 at 4% or $126,897 at 6%; with 100% employer match about $142,759 at 4% or $95,173 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-63$2,080,313--
2017268$4,753,712$1,786,720$26,275iApproximate average salary by contribution assumption: employee only about $656,882 at 4% or $437,922 at 6%; with 50% employer match about $437,922 at 4% or $291,948 at 6%; with 100% employer match about $328,441 at 4% or $218,961 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-64$2,402,058$1,768,793$27,637iApproximate average salary by contribution assumption: employee only about $690,935 at 4% or $460,623 at 6%; with 50% employer match about $460,623 at 4% or $307,082 at 6%; with 100% employer match about $345,467 at 4% or $230,312 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-68$2,351,654$17,927$264iApproximate average salary by contribution assumption: employee only about $6,591 at 4% or $4,394 at 6%; with 50% employer match about $4,394 at 4% or $2,929 at 6%; with 100% employer match about $3,295 at 4% or $2,197 at 6%.
2016272$6,496,248$491,710$6,829iApproximate average salary by contribution assumption: employee only about $170,733 at 4% or $113,822 at 6%; with 50% employer match about $113,822 at 4% or $75,881 at 6%; with 100% employer match about $85,366 at 4% or $56,911 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-72$5,985,202$291,333$4,046iApproximate average salary by contribution assumption: employee only about $101,157 at 4% or $67,438 at 6%; with 50% employer match about $67,438 at 4% or $44,959 at 6%; with 100% employer match about $50,579 at 4% or $33,719 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-63$511,046$200,377$3,181iApproximate average salary by contribution assumption: employee only about $79,515 at 4% or $53,010 at 6%; with 50% employer match about $53,010 at 4% or $35,340 at 6%; with 100% employer match about $39,757 at 4% or $26,505 at 6%.
2015280$7,235,653$512,220$6,403iApproximate average salary by contribution assumption: employee only about $160,069 at 4% or $106,713 at 6%; with 50% employer match about $106,713 at 4% or $71,142 at 6%; with 100% employer match about $80,034 at 4% or $53,356 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-80$6,930,937$315,972$3,950iApproximate average salary by contribution assumption: employee only about $98,741 at 4% or $65,828 at 6%; with 50% employer match about $65,828 at 4% or $43,885 at 6%; with 100% employer match about $49,371 at 4% or $32,914 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-72$304,716$196,248$2,726iApproximate average salary by contribution assumption: employee only about $68,142 at 4% or $45,428 at 6%; with 50% employer match about $45,428 at 4% or $30,285 at 6%; with 100% employer match about $34,071 at 4% or $22,714 at 6%.
2014279$7,181,472$392,230$4,965iApproximate average salary by contribution assumption: employee only about $124,123 at 4% or $82,749 at 6%; with 50% employer match about $82,749 at 4% or $55,166 at 6%; with 100% employer match about $62,062 at 4% or $41,374 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-79$7,055,341$267,549$3,387iApproximate average salary by contribution assumption: employee only about $84,667 at 4% or $56,445 at 6%; with 50% employer match about $56,445 at 4% or $37,630 at 6%; with 100% employer match about $42,334 at 4% or $28,222 at 6%.
Dynamic Engineering Inc. Employee 401(K) Plan-74$126,131$124,681$1,685iApproximate average salary by contribution assumption: employee only about $42,122 at 4% or $28,081 at 6%; with 50% employer match about $28,081 at 4% or $18,721 at 6%; with 100% employer match about $21,061 at 4% or $14,041 at 6%.
2013180$6,717,227$248,861$3,111iApproximate average salary by contribution assumption: employee only about $77,769 at 4% or $51,846 at 6%; with 50% employer match about $51,846 at 4% or $34,564 at 6%; with 100% employer match about $38,885 at 4% or $25,923 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-80$6,717,227$248,861$3,111iApproximate average salary by contribution assumption: employee only about $77,769 at 4% or $51,846 at 6%; with 50% employer match about $51,846 at 4% or $34,564 at 6%; with 100% employer match about $38,885 at 4% or $25,923 at 6%.
2012181$7,401,040$204,372$2,523iApproximate average salary by contribution assumption: employee only about $63,078 at 4% or $42,052 at 6%; with 50% employer match about $42,052 at 4% or $28,035 at 6%; with 100% employer match about $31,539 at 4% or $21,026 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-81$7,401,040$204,372$2,523iApproximate average salary by contribution assumption: employee only about $63,078 at 4% or $42,052 at 6%; with 50% employer match about $42,052 at 4% or $28,035 at 6%; with 100% employer match about $31,539 at 4% or $21,026 at 6%.
2011177$6,800,451$149,744$1,945iApproximate average salary by contribution assumption: employee only about $48,618 at 4% or $32,412 at 6%; with 50% employer match about $32,412 at 4% or $21,608 at 6%; with 100% employer match about $24,309 at 4% or $16,206 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-77$6,800,451$149,744$1,945iApproximate average salary by contribution assumption: employee only about $48,618 at 4% or $32,412 at 6%; with 50% employer match about $32,412 at 4% or $21,608 at 6%; with 100% employer match about $24,309 at 4% or $16,206 at 6%.
2010177$6,400,846$350,654$4,554iApproximate average salary by contribution assumption: employee only about $113,849 at 4% or $75,899 at 6%; with 50% employer match about $75,899 at 4% or $50,599 at 6%; with 100% employer match about $56,924 at 4% or $37,950 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-77$6,400,846$350,654$4,554iApproximate average salary by contribution assumption: employee only about $113,849 at 4% or $75,899 at 6%; with 50% employer match about $75,899 at 4% or $50,599 at 6%; with 100% employer match about $56,924 at 4% or $37,950 at 6%.
2009286$6,001,242$141,503$1,645iApproximate average salary by contribution assumption: employee only about $41,135 at 4% or $27,423 at 6%; with 50% employer match about $27,423 at 4% or $18,282 at 6%; with 100% employer match about $20,567 at 4% or $13,712 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-85$6,001,242$141,503$1,665iApproximate average salary by contribution assumption: employee only about $41,619 at 4% or $27,746 at 6%; with 50% employer match about $27,746 at 4% or $18,497 at 6%; with 100% employer match about $20,809 at 4% or $13,873 at 6%.
Dynamic Engineering Employee Health Care Plan-86---
20082112$7,701,335$115,567$1,032iApproximate average salary by contribution assumption: employee only about $25,796 at 4% or $17,197 at 6%; with 50% employer match about $17,197 at 4% or $11,465 at 6%; with 100% employer match about $12,898 at 4% or $8,599 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-102$7,701,335$115,567$1,133iApproximate average salary by contribution assumption: employee only about $28,325 at 4% or $18,883 at 6%; with 50% employer match about $18,883 at 4% or $12,589 at 6%; with 100% employer match about $14,163 at 4% or $9,442 at 6%.
Dynamic Engineering Employee Health Care Plan-112---
20072108$7,701,335$38,318$355iApproximate average salary by contribution assumption: employee only about $8,870 at 4% or $5,913 at 6%; with 50% employer match about $5,913 at 4% or $3,942 at 6%; with 100% employer match about $4,435 at 4% or $2,957 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-101$7,701,335$38,318$379iApproximate average salary by contribution assumption: employee only about $9,485 at 4% or $6,323 at 6%; with 50% employer match about $6,323 at 4% or $4,215 at 6%; with 100% employer match about $4,742 at 4% or $3,162 at 6%.
Dynamic Engineering Employee Health Care Plan-108---
20062108$7,999,901$0-
Dynamic Engineering Inc. Employees Stock Ownership Trust-97$7,999,901--
Dynamic Engineering Employee Health Care Plan-108---
20052109$7,750,919$505,492$4,638iApproximate average salary by contribution assumption: employee only about $115,939 at 4% or $77,292 at 6%; with 50% employer match about $77,292 at 4% or $51,528 at 6%; with 100% employer match about $57,969 at 4% or $38,646 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-86$7,750,919$505,492$5,878iApproximate average salary by contribution assumption: employee only about $146,945 at 4% or $97,964 at 6%; with 50% employer match about $97,964 at 4% or $65,309 at 6%; with 100% employer match about $73,473 at 4% or $48,982 at 6%.
Dynamic Engineering Employee Health Care Plan-109---
20042112$7,500,224$840,000$7,500iApproximate average salary by contribution assumption: employee only about $187,500 at 4% or $125,000 at 6%; with 50% employer match about $125,000 at 4% or $83,333 at 6%; with 100% employer match about $93,750 at 4% or $62,500 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-78$7,500,224$840,000$10,769iApproximate average salary by contribution assumption: employee only about $269,231 at 4% or $179,487 at 6%; with 50% employer match about $179,487 at 4% or $119,658 at 6%; with 100% employer match about $134,615 at 4% or $89,744 at 6%.
Dynamic Engineering Employee Health Care Plan-112---
2003189$6,310,803$786,104$8,833iApproximate average salary by contribution assumption: employee only about $220,816 at 4% or $147,210 at 6%; with 50% employer match about $147,210 at 4% or $98,140 at 6%; with 100% employer match about $110,408 at 4% or $73,605 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-89$6,310,803$786,104$8,833iApproximate average salary by contribution assumption: employee only about $220,816 at 4% or $147,210 at 6%; with 50% employer match about $147,210 at 4% or $98,140 at 6%; with 100% employer match about $110,408 at 4% or $73,605 at 6%.
2002295$6,354,565$727,532$7,658iApproximate average salary by contribution assumption: employee only about $191,456 at 4% or $127,637 at 6%; with 50% employer match about $127,637 at 4% or $85,091 at 6%; with 100% employer match about $95,728 at 4% or $63,819 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-90$6,354,565$727,532$8,084iApproximate average salary by contribution assumption: employee only about $202,092 at 4% or $134,728 at 6%; with 50% employer match about $134,728 at 4% or $89,819 at 6%; with 100% employer match about $101,046 at 4% or $67,364 at 6%.
Dynamic Engineering Employee Health Care Plan-95---
20012105$6,358,643$868,024$8,267iApproximate average salary by contribution assumption: employee only about $206,672 at 4% or $137,782 at 6%; with 50% employer match about $137,782 at 4% or $91,854 at 6%; with 100% employer match about $103,336 at 4% or $68,891 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-93$6,358,643$868,024$9,334iApproximate average salary by contribution assumption: employee only about $233,340 at 4% or $155,560 at 6%; with 50% employer match about $155,560 at 4% or $103,707 at 6%; with 100% employer match about $116,670 at 4% or $77,780 at 6%.
Dynamic Engineering Employee Health Care Plan-105---
20002122$0$0-
Dynamic Engineering Employee Health Care Plan-122---
Dynamic Engineering Inc. Employees Stock Ownership Trust-95---
19992122$6,087,238$1,032,712$8,465iApproximate average salary by contribution assumption: employee only about $211,621 at 4% or $141,081 at 6%; with 50% employer match about $141,081 at 4% or $94,054 at 6%; with 100% employer match about $105,811 at 4% or $70,540 at 6%.
Dynamic Engineering Inc. Employees Stock Ownership Trust-108$6,087,238$1,032,712$9,562iApproximate average salary by contribution assumption: employee only about $239,054 at 4% or $159,369 at 6%; with 50% employer match about $159,369 at 4% or $106,246 at 6%; with 100% employer match about $119,527 at 4% or $79,685 at 6%.
Dynamic Engineering Employee Health Care Plan-122---