Civic Intelligence

Underwater Construction Corp

Plan context: Underwater Construction Corporation 401(K) Plan

EIN 06-1468078 • Essex, CT • 35 filings • 8 plans

110 Plains RoadBox 699Essex, CT 06426
Current Snapshot

Latest Year

2025

2025 Participants

200

2025 Assets

$30,232,279

2025 Contributions

$1,755,679

Historical Graphs

Total Assets Over Time

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

$32,451,457$16,225,729$0200020122024YearValue
$30,232,279Latest year 2024

Participants Over Time

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

2501250200020132025YearValue
200Latest 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
20253200$0$0-
Underwater Construction Health and Welfare Plan-120---
Underwater Construction Health and Welfare Plan-200---
Underwater Construction Health and Welfare Plan-121---
20244200$30,232,279$1,755,679$8,778iApproximate average salary by contribution assumption: employee only about $219,460 at 4% or $146,307 at 6%; with 50% employer match about $146,307 at 4% or $97,538 at 6%; with 100% employer match about $109,730 at 4% or $73,153 at 6%.
Underwater Construction Corporation 401(K) Plan-173$30,232,279$1,755,679$10,148iApproximate average salary by contribution assumption: employee only about $253,711 at 4% or $169,141 at 6%; with 50% employer match about $169,141 at 4% or $112,760 at 6%; with 100% employer match about $126,855 at 4% or $84,570 at 6%.
Underwater Construction Health and Welfare Plan-129---
Underwater Construction Health and Welfare Plan-135---
Underwater Construction Health and Welfare Plan-200---
20234250$26,118,799$1,702,974$6,812iApproximate average salary by contribution assumption: employee only about $170,297 at 4% or $113,532 at 6%; with 50% employer match about $113,532 at 4% or $75,688 at 6%; with 100% employer match about $85,149 at 4% or $56,766 at 6%.
Underwater Construction Corporation 401(K) Plan-178$26,118,799$1,702,974$9,567iApproximate average salary by contribution assumption: employee only about $239,182 at 4% or $159,454 at 6%; with 50% employer match about $159,454 at 4% or $106,303 at 6%; with 100% employer match about $119,591 at 4% or $79,727 at 6%.
Underwater Construction Health and Welfare Plan-129---
Underwater Construction Health and Welfare Plan-142---
Underwater Construction Health and Welfare Plan-250---
20221162$22,078,097$1,523,265$9,403iApproximate average salary by contribution assumption: employee only about $235,072 at 4% or $156,715 at 6%; with 50% employer match about $156,715 at 4% or $104,476 at 6%; with 100% employer match about $117,536 at 4% or $78,357 at 6%.
Underwater Construction Corporation 401(K) Plan-162$22,078,097$1,523,265$9,403iApproximate average salary by contribution assumption: employee only about $235,072 at 4% or $156,715 at 6%; with 50% employer match about $156,715 at 4% or $104,476 at 6%; with 100% employer match about $117,536 at 4% or $78,357 at 6%.
20211180$32,451,457$1,334,540$7,414iApproximate average salary by contribution assumption: employee only about $185,353 at 4% or $123,569 at 6%; with 50% employer match about $123,569 at 4% or $82,379 at 6%; with 100% employer match about $92,676 at 4% or $61,784 at 6%.
Underwater Construction Corporation 401(K) Plan-180$32,451,457$1,334,540$7,414iApproximate average salary by contribution assumption: employee only about $185,353 at 4% or $123,569 at 6%; with 50% employer match about $123,569 at 4% or $82,379 at 6%; with 100% employer match about $92,676 at 4% or $61,784 at 6%.
20201185$26,703,805$1,115,897$6,032iApproximate average salary by contribution assumption: employee only about $150,797 at 4% or $100,531 at 6%; with 50% employer match about $100,531 at 4% or $67,021 at 6%; with 100% employer match about $75,398 at 4% or $50,266 at 6%.
Underwater Construction Corporation 401(K) Plan-185$26,703,805$1,115,897$6,032iApproximate average salary by contribution assumption: employee only about $150,797 at 4% or $100,531 at 6%; with 50% employer match about $100,531 at 4% or $67,021 at 6%; with 100% employer match about $75,398 at 4% or $50,266 at 6%.
20191179$21,965,172$1,123,237$6,275iApproximate average salary by contribution assumption: employee only about $156,877 at 4% or $104,584 at 6%; with 50% employer match about $104,584 at 4% or $69,723 at 6%; with 100% employer match about $78,438 at 4% or $52,292 at 6%.
Underwater Construction Corporation 401(K) Plan-179$21,965,172$1,123,237$6,275iApproximate average salary by contribution assumption: employee only about $156,877 at 4% or $104,584 at 6%; with 50% employer match about $104,584 at 4% or $69,723 at 6%; with 100% employer match about $78,438 at 4% or $52,292 at 6%.
20181176$17,484,076$955,354$5,428iApproximate average salary by contribution assumption: employee only about $135,704 at 4% or $90,469 at 6%; with 50% employer match about $90,469 at 4% or $60,313 at 6%; with 100% employer match about $67,852 at 4% or $45,235 at 6%.
Underwater Construction Corporation 401(K) Plan-176$17,484,076$955,354$5,428iApproximate average salary by contribution assumption: employee only about $135,704 at 4% or $90,469 at 6%; with 50% employer match about $90,469 at 4% or $60,313 at 6%; with 100% employer match about $67,852 at 4% or $45,235 at 6%.
20171177$18,063,005$796,791$4,502iApproximate average salary by contribution assumption: employee only about $112,541 at 4% or $75,027 at 6%; with 50% employer match about $75,027 at 4% or $50,018 at 6%; with 100% employer match about $56,271 at 4% or $37,514 at 6%.
Underwater Construction Corporation 401(K) Plan-177$18,063,005$796,791$4,502iApproximate average salary by contribution assumption: employee only about $112,541 at 4% or $75,027 at 6%; with 50% employer match about $75,027 at 4% or $50,018 at 6%; with 100% employer match about $56,271 at 4% or $37,514 at 6%.
20161174$14,336,501$802,671$4,613iApproximate average salary by contribution assumption: employee only about $115,326 at 4% or $76,884 at 6%; with 50% employer match about $76,884 at 4% or $51,256 at 6%; with 100% employer match about $57,663 at 4% or $38,442 at 6%.
Underwater Construction Corporation 401(K) Plan-174$14,336,501$802,671$4,613iApproximate average salary by contribution assumption: employee only about $115,326 at 4% or $76,884 at 6%; with 50% employer match about $76,884 at 4% or $51,256 at 6%; with 100% employer match about $57,663 at 4% or $38,442 at 6%.
20151170$14,093,013$841,507$4,950iApproximate average salary by contribution assumption: employee only about $123,751 at 4% or $82,501 at 6%; with 50% employer match about $82,501 at 4% or $55,000 at 6%; with 100% employer match about $61,876 at 4% or $41,250 at 6%.
Underwater Construction Corporation 401(K) Plan-170$14,093,013$841,507$4,950iApproximate average salary by contribution assumption: employee only about $123,751 at 4% or $82,501 at 6%; with 50% employer match about $82,501 at 4% or $55,000 at 6%; with 100% employer match about $61,876 at 4% or $41,250 at 6%.
20141167$13,516,250$767,883$4,598iApproximate average salary by contribution assumption: employee only about $114,953 at 4% or $76,635 at 6%; with 50% employer match about $76,635 at 4% or $51,090 at 6%; with 100% employer match about $57,476 at 4% or $38,318 at 6%.
Underwater Construction Corporation 401(K) Plan-167$13,516,250$767,883$4,598iApproximate average salary by contribution assumption: employee only about $114,953 at 4% or $76,635 at 6%; with 50% employer match about $76,635 at 4% or $51,090 at 6%; with 100% employer match about $57,476 at 4% or $38,318 at 6%.
20131159$12,078,213$698,578$4,394iApproximate average salary by contribution assumption: employee only about $109,839 at 4% or $73,226 at 6%; with 50% employer match about $73,226 at 4% or $48,817 at 6%; with 100% employer match about $54,920 at 4% or $36,613 at 6%.
Underwater Construction Corporation 401(K) Plan-159$12,078,213$698,578$4,394iApproximate average salary by contribution assumption: employee only about $109,839 at 4% or $73,226 at 6%; with 50% employer match about $73,226 at 4% or $48,817 at 6%; with 100% employer match about $54,920 at 4% or $36,613 at 6%.
20121167$9,116,814$736,870$4,412iApproximate average salary by contribution assumption: employee only about $110,310 at 4% or $73,540 at 6%; with 50% employer match about $73,540 at 4% or $49,027 at 6%; with 100% employer match about $55,155 at 4% or $36,770 at 6%.
Underwater Construction Corporation 401(K) Plan-167$9,116,814$736,870$4,412iApproximate average salary by contribution assumption: employee only about $110,310 at 4% or $73,540 at 6%; with 50% employer match about $73,540 at 4% or $49,027 at 6%; with 100% employer match about $55,155 at 4% or $36,770 at 6%.
20111174$7,617,876$695,112$3,995iApproximate average salary by contribution assumption: employee only about $99,872 at 4% or $66,582 at 6%; with 50% employer match about $66,582 at 4% or $44,388 at 6%; with 100% employer match about $49,936 at 4% or $33,291 at 6%.
Underwater Construction Corporation 401(K) Plan-174$7,617,876$695,112$3,995iApproximate average salary by contribution assumption: employee only about $99,872 at 4% or $66,582 at 6%; with 50% employer match about $66,582 at 4% or $44,388 at 6%; with 100% employer match about $49,936 at 4% or $33,291 at 6%.
20101166$7,264,735$615,828$3,710iApproximate average salary by contribution assumption: employee only about $92,745 at 4% or $61,830 at 6%; with 50% employer match about $61,830 at 4% or $41,220 at 6%; with 100% employer match about $46,373 at 4% or $30,915 at 6%.
Underwater Construction Corporation 401(K) Plan-166$7,264,735$615,828$3,710iApproximate average salary by contribution assumption: employee only about $92,745 at 4% or $61,830 at 6%; with 50% employer match about $61,830 at 4% or $41,220 at 6%; with 100% employer match about $46,373 at 4% or $30,915 at 6%.
20091158$6,017,804$567,879$3,594iApproximate average salary by contribution assumption: employee only about $89,854 at 4% or $59,903 at 6%; with 50% employer match about $59,903 at 4% or $39,935 at 6%; with 100% employer match about $44,927 at 4% or $29,951 at 6%.
Underwater Construction Corporation 401(K) Plan-158$6,017,804$567,879$3,594iApproximate average salary by contribution assumption: employee only about $89,854 at 4% or $59,903 at 6%; with 50% employer match about $59,903 at 4% or $39,935 at 6%; with 100% employer match about $44,927 at 4% or $29,951 at 6%.
20081166$4,218,056$596,179$3,591iApproximate average salary by contribution assumption: employee only about $89,786 at 4% or $59,857 at 6%; with 50% employer match about $59,857 at 4% or $39,905 at 6%; with 100% employer match about $44,893 at 4% or $29,929 at 6%.
Underwater Construction Corporation 401(K) Plan-166$4,218,056$596,179$3,591iApproximate average salary by contribution assumption: employee only about $89,786 at 4% or $59,857 at 6%; with 50% employer match about $59,857 at 4% or $39,905 at 6%; with 100% employer match about $44,893 at 4% or $29,929 at 6%.
20071155$6,081,033$669,916$4,322iApproximate average salary by contribution assumption: employee only about $108,051 at 4% or $72,034 at 6%; with 50% employer match about $72,034 at 4% or $48,023 at 6%; with 100% employer match about $54,025 at 4% or $36,017 at 6%.
Underwater Construction Corporation 401(K) Plan-155$6,081,033$669,916$4,322iApproximate average salary by contribution assumption: employee only about $108,051 at 4% or $72,034 at 6%; with 50% employer match about $72,034 at 4% or $48,023 at 6%; with 100% employer match about $54,025 at 4% or $36,017 at 6%.
20061165$5,262,289$730,614$4,428iApproximate average salary by contribution assumption: employee only about $110,699 at 4% or $73,799 at 6%; with 50% employer match about $73,799 at 4% or $49,200 at 6%; with 100% employer match about $55,350 at 4% or $36,900 at 6%.
Underwater Construction Corporation 401(K) Plan-165$5,262,289$730,614$4,428iApproximate average salary by contribution assumption: employee only about $110,699 at 4% or $73,799 at 6%; with 50% employer match about $73,799 at 4% or $49,200 at 6%; with 100% employer match about $55,350 at 4% or $36,900 at 6%.
20051183$4,105,394$830,470$4,538iApproximate average salary by contribution assumption: employee only about $113,452 at 4% or $75,635 at 6%; with 50% employer match about $75,635 at 4% or $50,423 at 6%; with 100% employer match about $56,726 at 4% or $37,817 at 6%.
Underwater Construction Corporation 401(K) Plan-183$4,105,394$830,470$4,538iApproximate average salary by contribution assumption: employee only about $113,452 at 4% or $75,635 at 6%; with 50% employer match about $75,635 at 4% or $50,423 at 6%; with 100% employer match about $56,726 at 4% or $37,817 at 6%.
20041108$3,121,950$385,893$3,573iApproximate average salary by contribution assumption: employee only about $89,327 at 4% or $59,551 at 6%; with 50% employer match about $59,551 at 4% or $39,701 at 6%; with 100% employer match about $44,664 at 4% or $29,776 at 6%.
Underwater Construction Corporation 401(K) Plan-108$3,121,950$385,893$3,573iApproximate average salary by contribution assumption: employee only about $89,327 at 4% or $59,551 at 6%; with 50% employer match about $59,551 at 4% or $39,701 at 6%; with 100% employer match about $44,664 at 4% or $29,776 at 6%.
20031108$2,571,073$377,777$3,498iApproximate average salary by contribution assumption: employee only about $87,448 at 4% or $58,299 at 6%; with 50% employer match about $58,299 at 4% or $38,866 at 6%; with 100% employer match about $43,724 at 4% or $29,149 at 6%.
Underwater Construction Corporation 401(K) Plan-108$2,571,073$377,777$3,498iApproximate average salary by contribution assumption: employee only about $87,448 at 4% or $58,299 at 6%; with 50% employer match about $58,299 at 4% or $38,866 at 6%; with 100% employer match about $43,724 at 4% or $29,149 at 6%.
2002181$1,761,571$357,842$4,418iApproximate average salary by contribution assumption: employee only about $110,445 at 4% or $73,630 at 6%; with 50% employer match about $73,630 at 4% or $49,087 at 6%; with 100% employer match about $55,223 at 4% or $36,815 at 6%.
Underwater Construction Corporation 401(K) Plan-81$1,761,571$357,842$4,418iApproximate average salary by contribution assumption: employee only about $110,445 at 4% or $73,630 at 6%; with 50% employer match about $73,630 at 4% or $49,087 at 6%; with 100% employer match about $55,223 at 4% or $36,815 at 6%.
2001194$1,786,997$350,236$3,726iApproximate average salary by contribution assumption: employee only about $93,148 at 4% or $62,099 at 6%; with 50% employer match about $62,099 at 4% or $41,399 at 6%; with 100% employer match about $46,574 at 4% or $31,049 at 6%.
Underwater Construction Corporation 401(K) Plan-94$1,786,997$350,236$3,726iApproximate average salary by contribution assumption: employee only about $93,148 at 4% or $62,099 at 6%; with 50% employer match about $62,099 at 4% or $41,399 at 6%; with 100% employer match about $46,574 at 4% or $31,049 at 6%.
20002104$1,829,474$405,518$3,899iApproximate average salary by contribution assumption: employee only about $97,480 at 4% or $64,987 at 6%; with 50% employer match about $64,987 at 4% or $43,325 at 6%; with 100% employer match about $48,740 at 4% or $32,493 at 6%.
Underwater Construction Corporation 401(K) Plan-104$1,829,474$405,518$3,899iApproximate average salary by contribution assumption: employee only about $97,480 at 4% or $64,987 at 6%; with 50% employer match about $64,987 at 4% or $43,325 at 6%; with 100% employer match about $48,740 at 4% or $32,493 at 6%.
Underwater Construction Health and Welfare Plan-0---