Civic Intelligence

Udelhoven Oilfield System Services Inc. & Companies

Plan context: Udelhoven 401K Plan and Trust

EIN 92-0110209 • Anchorage, AK • 48 filings • 6 plans

184 E 53rd AveAnchorage, AK 99518-1222
Current Snapshot

Latest Year

2025

2025 Participants

131

2025 Assets

$14,231,314

2025 Contributions

$953,337

Historical Graphs

Total Assets Over Time

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

$20,863,479$10,431,740$0199920122024YearValue
$14,231,314Latest year 2024

Participants Over Time

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

7693850199920122025YearValue
131Latest 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
20251131$0$0-
Uoss Health Plan-131---
20242281$14,231,314$953,337$3,393iApproximate average salary by contribution assumption: employee only about $84,816 at 4% or $56,544 at 6%; with 50% employer match about $56,544 at 4% or $37,696 at 6%; with 100% employer match about $42,408 at 4% or $28,272 at 6%.
Udelhoven 401K Plan and Trust-281$14,231,314$953,337$3,393iApproximate average salary by contribution assumption: employee only about $84,816 at 4% or $56,544 at 6%; with 50% employer match about $56,544 at 4% or $37,696 at 6%; with 100% employer match about $42,408 at 4% or $28,272 at 6%.
Uoss Health Plan-123---
20232291$13,126,205$774,080$2,660iApproximate average salary by contribution assumption: employee only about $66,502 at 4% or $44,334 at 6%; with 50% employer match about $44,334 at 4% or $29,556 at 6%; with 100% employer match about $33,251 at 4% or $22,167 at 6%.
Udelhoven 401K Plan and Trust-291$13,126,205$774,080$2,660iApproximate average salary by contribution assumption: employee only about $66,502 at 4% or $44,334 at 6%; with 50% employer match about $44,334 at 4% or $29,556 at 6%; with 100% employer match about $33,251 at 4% or $22,167 at 6%.
Uoss Health Plan-144---
20221280$11,838,800$496,497$1,773iApproximate average salary by contribution assumption: employee only about $44,330 at 4% or $29,553 at 6%; with 50% employer match about $29,553 at 4% or $19,702 at 6%; with 100% employer match about $22,165 at 4% or $14,777 at 6%.
Udelhoven 401K Plan and Trust-280$11,838,800$496,497$1,773iApproximate average salary by contribution assumption: employee only about $44,330 at 4% or $29,553 at 6%; with 50% employer match about $29,553 at 4% or $19,702 at 6%; with 100% employer match about $22,165 at 4% or $14,777 at 6%.
20212200$15,562,781$885,634$4,428iApproximate average salary by contribution assumption: employee only about $110,704 at 4% or $73,803 at 6%; with 50% employer match about $73,803 at 4% or $49,202 at 6%; with 100% employer match about $55,352 at 4% or $36,901 at 6%.
Udelhoven 401K Plan and Trust-200$15,562,781$885,634$4,428iApproximate average salary by contribution assumption: employee only about $110,704 at 4% or $73,803 at 6%; with 50% employer match about $73,803 at 4% or $49,202 at 6%; with 100% employer match about $55,352 at 4% or $36,901 at 6%.
Uoss Health Plan-95---
20202183$15,847,390$1,086,945$5,940iApproximate average salary by contribution assumption: employee only about $148,490 at 4% or $98,993 at 6%; with 50% employer match about $98,993 at 4% or $65,995 at 6%; with 100% employer match about $74,245 at 4% or $49,497 at 6%.
Udelhoven 401K Plan and Trust-183$15,847,390$1,086,945$5,940iApproximate average salary by contribution assumption: employee only about $148,490 at 4% or $98,993 at 6%; with 50% employer match about $98,993 at 4% or $65,995 at 6%; with 100% employer match about $74,245 at 4% or $49,497 at 6%.
Uoss Health Plan-127---
20192323$14,613,076$1,337,442$4,141iApproximate average salary by contribution assumption: employee only about $103,517 at 4% or $69,011 at 6%; with 50% employer match about $69,011 at 4% or $46,008 at 6%; with 100% employer match about $51,759 at 4% or $34,506 at 6%.
Udelhoven 401K Plan and Trust-323$14,613,076$1,337,442$4,141iApproximate average salary by contribution assumption: employee only about $103,517 at 4% or $69,011 at 6%; with 50% employer match about $69,011 at 4% or $46,008 at 6%; with 100% employer match about $51,759 at 4% or $34,506 at 6%.
Uoss Health Plan-161---
20182317$14,681,992$1,412,804$4,457iApproximate average salary by contribution assumption: employee only about $111,420 at 4% or $74,280 at 6%; with 50% employer match about $74,280 at 4% or $49,520 at 6%; with 100% employer match about $55,710 at 4% or $37,140 at 6%.
Udelhoven 401K Plan and Trust-317$14,681,992$1,412,804$4,457iApproximate average salary by contribution assumption: employee only about $111,420 at 4% or $74,280 at 6%; with 50% employer match about $74,280 at 4% or $49,520 at 6%; with 100% employer match about $55,710 at 4% or $37,140 at 6%.
Uoss Health Plan-168---
20172411$17,896,228$1,754,031$4,268iApproximate average salary by contribution assumption: employee only about $106,693 at 4% or $71,129 at 6%; with 50% employer match about $71,129 at 4% or $47,419 at 6%; with 100% employer match about $53,346 at 4% or $35,564 at 6%.
Udelhoven 401K Plan and Trust-411$17,896,228$1,754,031$4,268iApproximate average salary by contribution assumption: employee only about $106,693 at 4% or $71,129 at 6%; with 50% employer match about $71,129 at 4% or $47,419 at 6%; with 100% employer match about $53,346 at 4% or $35,564 at 6%.
Uoss Health Plan-144---
20162308$17,373,290$2,090,471$6,787iApproximate average salary by contribution assumption: employee only about $169,681 at 4% or $113,121 at 6%; with 50% employer match about $113,121 at 4% or $75,414 at 6%; with 100% employer match about $84,841 at 4% or $56,560 at 6%.
Udelhoven 401K Plan and Trust-308$17,373,290$2,090,471$6,787iApproximate average salary by contribution assumption: employee only about $169,681 at 4% or $113,121 at 6%; with 50% employer match about $113,121 at 4% or $75,414 at 6%; with 100% employer match about $84,841 at 4% or $56,560 at 6%.
Uoss Health Plan-181---
20152563$18,858,096$3,178,312$5,645iApproximate average salary by contribution assumption: employee only about $141,133 at 4% or $94,089 at 6%; with 50% employer match about $94,089 at 4% or $62,726 at 6%; with 100% employer match about $70,566 at 4% or $47,044 at 6%.
Udelhoven 401K Plan and Trust-563$18,858,096$3,178,312$5,645iApproximate average salary by contribution assumption: employee only about $141,133 at 4% or $94,089 at 6%; with 50% employer match about $94,089 at 4% or $62,726 at 6%; with 100% employer match about $70,566 at 4% or $47,044 at 6%.
Uoss Health Plan-333---
20142683$20,863,479$3,240,984$4,745iApproximate average salary by contribution assumption: employee only about $118,630 at 4% or $79,087 at 6%; with 50% employer match about $79,087 at 4% or $52,725 at 6%; with 100% employer match about $59,315 at 4% or $39,543 at 6%.
Udelhoven 401K Plan and Trust-683$20,863,479$3,240,984$4,745iApproximate average salary by contribution assumption: employee only about $118,630 at 4% or $79,087 at 6%; with 50% employer match about $79,087 at 4% or $52,725 at 6%; with 100% employer match about $59,315 at 4% or $39,543 at 6%.
Uoss Health Plan-454---
20132718$18,981,544$3,266,550$4,550iApproximate average salary by contribution assumption: employee only about $113,738 at 4% or $75,825 at 6%; with 50% employer match about $75,825 at 4% or $50,550 at 6%; with 100% employer match about $56,869 at 4% or $37,913 at 6%.
Udelhoven 401K Plan and Trust-718$18,981,544$3,266,550$4,550iApproximate average salary by contribution assumption: employee only about $113,738 at 4% or $75,825 at 6%; with 50% employer match about $75,825 at 4% or $50,550 at 6%; with 100% employer match about $56,869 at 4% or $37,913 at 6%.
Uoss Health Plan-447---
20122662$17,611,544$3,075,804$4,646iApproximate average salary by contribution assumption: employee only about $116,156 at 4% or $77,437 at 6%; with 50% employer match about $77,437 at 4% or $51,625 at 6%; with 100% employer match about $58,078 at 4% or $38,719 at 6%.
Udelhoven 401K Plan and Trust-662$17,611,544$3,075,804$4,646iApproximate average salary by contribution assumption: employee only about $116,156 at 4% or $77,437 at 6%; with 50% employer match about $77,437 at 4% or $51,625 at 6%; with 100% employer match about $58,078 at 4% or $38,719 at 6%.
Uoss Health Plan-432---
20112504$16,139,231$3,127,452$6,205iApproximate average salary by contribution assumption: employee only about $155,132 at 4% or $103,421 at 6%; with 50% employer match about $103,421 at 4% or $68,947 at 6%; with 100% employer match about $77,566 at 4% or $51,711 at 6%.
Udelhoven 401K Plan and Trust-504$16,139,231$3,127,452$6,205iApproximate average salary by contribution assumption: employee only about $155,132 at 4% or $103,421 at 6%; with 50% employer match about $103,421 at 4% or $68,947 at 6%; with 100% employer match about $77,566 at 4% or $51,711 at 6%.
Uoss Health Plan-465---
20102769$15,882,811$2,807,167$3,650iApproximate average salary by contribution assumption: employee only about $91,260 at 4% or $60,840 at 6%; with 50% employer match about $60,840 at 4% or $40,560 at 6%; with 100% employer match about $45,630 at 4% or $30,420 at 6%.
Udelhoven 401K Plan and Trust-769$15,882,811$2,807,167$3,650iApproximate average salary by contribution assumption: employee only about $91,260 at 4% or $60,840 at 6%; with 50% employer match about $60,840 at 4% or $40,560 at 6%; with 100% employer match about $45,630 at 4% or $30,420 at 6%.
Uoss Health Plan-440---
20092553$13,585,175$2,542,916$4,598iApproximate average salary by contribution assumption: employee only about $114,960 at 4% or $76,640 at 6%; with 50% employer match about $76,640 at 4% or $51,093 at 6%; with 100% employer match about $57,480 at 4% or $38,320 at 6%.
Udelhoven 401K Plan and Trust-553$13,585,175$2,542,916$4,598iApproximate average salary by contribution assumption: employee only about $114,960 at 4% or $76,640 at 6%; with 50% employer match about $76,640 at 4% or $51,093 at 6%; with 100% employer match about $57,480 at 4% or $38,320 at 6%.
Uoss Health Plan-269---
20082678$9,550,631$2,521,887$3,720iApproximate average salary by contribution assumption: employee only about $92,990 at 4% or $61,993 at 6%; with 50% employer match about $61,993 at 4% or $41,329 at 6%; with 100% employer match about $46,495 at 4% or $30,997 at 6%.
Udelhoven 401K Plan and Trust-678$9,550,631$2,521,887$3,720iApproximate average salary by contribution assumption: employee only about $92,990 at 4% or $61,993 at 6%; with 50% employer match about $61,993 at 4% or $41,329 at 6%; with 100% employer match about $46,495 at 4% or $30,997 at 6%.
Uoss Health Plan-296---
20072356$11,342,957$2,364,758$6,643iApproximate average salary by contribution assumption: employee only about $166,064 at 4% or $110,710 at 6%; with 50% employer match about $110,710 at 4% or $73,806 at 6%; with 100% employer match about $83,032 at 4% or $55,355 at 6%.
Udelhoven 401K Plan and Trust-356$11,342,957$2,364,758$6,643iApproximate average salary by contribution assumption: employee only about $166,064 at 4% or $110,710 at 6%; with 50% employer match about $110,710 at 4% or $73,806 at 6%; with 100% employer match about $83,032 at 4% or $55,355 at 6%.
Uoss Health Plan-257---
20062493$8,942,741$1,973,643$4,003iApproximate average salary by contribution assumption: employee only about $100,083 at 4% or $66,722 at 6%; with 50% employer match about $66,722 at 4% or $44,481 at 6%; with 100% employer match about $50,042 at 4% or $33,361 at 6%.
Udelhoven 401K Plan and Trust-493$8,942,741$1,973,643$4,003iApproximate average salary by contribution assumption: employee only about $100,083 at 4% or $66,722 at 6%; with 50% employer match about $66,722 at 4% or $44,481 at 6%; with 100% employer match about $50,042 at 4% or $33,361 at 6%.
Uoss Health Plan-212---
20052483$6,703,801$1,414,847$2,929iApproximate average salary by contribution assumption: employee only about $73,232 at 4% or $48,821 at 6%; with 50% employer match about $48,821 at 4% or $32,548 at 6%; with 100% employer match about $36,616 at 4% or $24,411 at 6%.
Udelhoven 401K Plan and Trust-483$6,703,801$1,414,847$2,929iApproximate average salary by contribution assumption: employee only about $73,232 at 4% or $48,821 at 6%; with 50% employer match about $48,821 at 4% or $32,548 at 6%; with 100% employer match about $36,616 at 4% or $24,411 at 6%.
Uoss Health Plan-184---
20042324$5,416,096$1,293,002$3,991iApproximate average salary by contribution assumption: employee only about $99,769 at 4% or $66,512 at 6%; with 50% employer match about $66,512 at 4% or $44,342 at 6%; with 100% employer match about $49,884 at 4% or $33,256 at 6%.
Udelhoven 401K Plan and Trust-324$5,416,096$1,293,002$3,991iApproximate average salary by contribution assumption: employee only about $99,769 at 4% or $66,512 at 6%; with 50% employer match about $66,512 at 4% or $44,342 at 6%; with 100% employer match about $49,884 at 4% or $33,256 at 6%.
Uoss Health Plan-175---
20032620$4,000,577$1,153,116$1,860iApproximate average salary by contribution assumption: employee only about $46,497 at 4% or $30,998 at 6%; with 50% employer match about $30,998 at 4% or $20,665 at 6%; with 100% employer match about $23,248 at 4% or $15,499 at 6%.
Udelhoven 401K Plan and Trust-620$4,000,577$1,153,116$1,860iApproximate average salary by contribution assumption: employee only about $46,497 at 4% or $30,998 at 6%; with 50% employer match about $30,998 at 4% or $20,665 at 6%; with 100% employer match about $23,248 at 4% or $15,499 at 6%.
Uoss Health Plan-152---
20021370$2,610,485$920,714$2,488iApproximate average salary by contribution assumption: employee only about $62,210 at 4% or $41,474 at 6%; with 50% employer match about $41,474 at 4% or $27,649 at 6%; with 100% employer match about $31,105 at 4% or $20,737 at 6%.
Udelhoven 401K Plan and Trust-370$2,610,485$920,714$2,488iApproximate average salary by contribution assumption: employee only about $62,210 at 4% or $41,474 at 6%; with 50% employer match about $41,474 at 4% or $27,649 at 6%; with 100% employer match about $31,105 at 4% or $20,737 at 6%.
20011400$2,399,432$904,650$2,262iApproximate average salary by contribution assumption: employee only about $56,541 at 4% or $37,694 at 6%; with 50% employer match about $37,694 at 4% or $25,129 at 6%; with 100% employer match about $28,270 at 4% or $18,847 at 6%.
Udelhoven 401K Plan and Trust-400$2,399,432$904,650$2,262iApproximate average salary by contribution assumption: employee only about $56,541 at 4% or $37,694 at 6%; with 50% employer match about $37,694 at 4% or $25,129 at 6%; with 100% employer match about $28,270 at 4% or $18,847 at 6%.
20001269$1,992,062$638,370$2,373iApproximate average salary by contribution assumption: employee only about $59,328 at 4% or $39,552 at 6%; with 50% employer match about $39,552 at 4% or $26,368 at 6%; with 100% employer match about $29,664 at 4% or $19,776 at 6%.
Udelhoven 401K Plan and Trust-269$1,992,062$638,370$2,373iApproximate average salary by contribution assumption: employee only about $59,328 at 4% or $39,552 at 6%; with 50% employer match about $39,552 at 4% or $26,368 at 6%; with 100% employer match about $29,664 at 4% or $19,776 at 6%.
1999162$1,955,013$530,094$8,550iApproximate average salary by contribution assumption: employee only about $213,748 at 4% or $142,498 at 6%; with 50% employer match about $142,498 at 4% or $94,999 at 6%; with 100% employer match about $106,874 at 4% or $71,249 at 6%.
Udelhoven 401K Plan and Trust-62$1,955,013$530,094$8,550iApproximate average salary by contribution assumption: employee only about $213,748 at 4% or $142,498 at 6%; with 50% employer match about $142,498 at 4% or $94,999 at 6%; with 100% employer match about $106,874 at 4% or $71,249 at 6%.