MISSION SUPPORT AND TEST SERVICES LLC (MSTS)
Plan context: Mission Support and Test Services LLC (Msts) Employee 401(K) Plan
EIN 81-0705502 • Las Vegas, NV • 33 filings • 6 plans
Current Snapshot
Latest Year
2024
2024 Participants
2,485
2024 Assets
$1,198,010,242
2024 Contributions
$67,570,262
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
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 / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 4 | 2,485 | $1,198,010,242 | $67,570,262 | $27,191iApproximate average salary by contribution assumption: employee only about $679,781 at 4% or $453,188 at 6%; with 50% employer match about $453,188 at 4% or $302,125 at 6%; with 100% employer match about $339,891 at 4% or $226,594 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 2,485 | $611,933,756 | $42,078,546 | $16,933iApproximate average salary by contribution assumption: employee only about $423,325 at 4% or $282,217 at 6%; with 50% employer match about $282,217 at 4% or $188,145 at 6%; with 100% employer match about $211,663 at 4% or $141,108 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 2,384 | $533,658,279 | $18,495,000 | $7,758iApproximate average salary by contribution assumption: employee only about $193,949 at 4% or $129,299 at 6%; with 50% employer match about $129,299 at 4% or $86,200 at 6%; with 100% employer match about $96,975 at 4% or $64,650 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 835 | $52,418,207 | $6,996,716 | $8,379iApproximate average salary by contribution assumption: employee only about $209,483 at 4% or $139,655 at 6%; with 50% employer match about $139,655 at 4% or $93,103 at 6%; with 100% employer match about $104,741 at 4% or $69,828 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 2,473 | - | - | - |
| 2023 | 5 | 2,500 | $1,160,594,771 | $84,825,020 | $33,930iApproximate average salary by contribution assumption: employee only about $848,250 at 4% or $565,500 at 6%; with 50% employer match about $565,500 at 4% or $377,000 at 6%; with 100% employer match about $424,125 at 4% or $282,750 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 2,266 | $558,757,985 | $30,425,000 | $13,427iApproximate average salary by contribution assumption: employee only about $335,669 at 4% or $223,779 at 6%; with 50% employer match about $223,779 at 4% or $149,186 at 6%; with 100% employer match about $167,834 at 4% or $111,890 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 2,485 | $530,180,994 | $41,395,229 | $16,658iApproximate average salary by contribution assumption: employee only about $416,451 at 4% or $277,634 at 6%; with 50% employer match about $277,634 at 4% or $185,089 at 6%; with 100% employer match about $208,225 at 4% or $138,817 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 905 | $41,218,366 | $12,274,042 | $13,562iApproximate average salary by contribution assumption: employee only about $339,062 at 4% or $226,041 at 6%; with 50% employer match about $226,041 at 4% or $150,694 at 6%; with 100% employer match about $169,531 at 4% or $113,021 at 6%. |
| NNSS STAFF PENSION PLAN | - | 13 | $30,437,426 | $730,749 | $56,211iApproximate average salary by contribution assumption: employee only about $1,405,287 at 4% or $936,858 at 6%; with 50% employer match about $936,858 at 4% or $624,572 at 6%; with 100% employer match about $702,643 at 4% or $468,429 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 2,500 | - | - | - |
| 2022 | 4 | 2,104 | $973,985,977 | $43,029,022 | $20,451iApproximate average salary by contribution assumption: employee only about $511,276 at 4% or $340,851 at 6%; with 50% employer match about $340,851 at 4% or $227,234 at 6%; with 100% employer match about $255,638 at 4% or $170,425 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 2,033 | $521,621,112 | $8,235,000 | $4,051iApproximate average salary by contribution assumption: employee only about $101,267 at 4% or $67,511 at 6%; with 50% employer match about $67,511 at 4% or $45,007 at 6%; with 100% employer match about $50,633 at 4% or $33,756 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 2,104 | $427,391,837 | $32,328,186 | $15,365iApproximate average salary by contribution assumption: employee only about $384,128 at 4% or $256,085 at 6%; with 50% employer match about $256,085 at 4% or $170,723 at 6%; with 100% employer match about $192,064 at 4% or $128,043 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 687 | $24,973,028 | $2,465,836 | $3,589iApproximate average salary by contribution assumption: employee only about $89,732 at 4% or $59,821 at 6%; with 50% employer match about $59,821 at 4% or $39,881 at 6%; with 100% employer match about $44,866 at 4% or $29,911 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 2,032 | - | - | - |
| 2021 | 4 | 2,042 | $1,267,516,810 | $49,074,952 | $24,033iApproximate average salary by contribution assumption: employee only about $600,820 at 4% or $400,546 at 6%; with 50% employer match about $400,546 at 4% or $267,031 at 6%; with 100% employer match about $300,410 at 4% or $200,273 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 1,935 | $696,679,467 | $17,800,000 | $9,199iApproximate average salary by contribution assumption: employee only about $229,974 at 4% or $153,316 at 6%; with 50% employer match about $153,316 at 4% or $102,211 at 6%; with 100% employer match about $114,987 at 4% or $76,658 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 2,010 | $538,972,370 | $28,909,336 | $14,383iApproximate average salary by contribution assumption: employee only about $359,569 at 4% or $239,713 at 6%; with 50% employer match about $239,713 at 4% or $159,808 at 6%; with 100% employer match about $179,784 at 4% or $119,856 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 615 | $31,864,973 | $2,365,616 | $3,847iApproximate average salary by contribution assumption: employee only about $96,163 at 4% or $64,109 at 6%; with 50% employer match about $64,109 at 4% or $42,739 at 6%; with 100% employer match about $48,082 at 4% or $32,054 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 2,042 | - | - | - |
| 2020 | 4 | 1,955 | $1,171,021,108 | $40,839,047 | $20,890iApproximate average salary by contribution assumption: employee only about $522,238 at 4% or $348,159 at 6%; with 50% employer match about $348,159 at 4% or $232,106 at 6%; with 100% employer match about $261,119 at 4% or $174,079 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 1,889 | $659,062,016 | $9,138,070 | $4,838iApproximate average salary by contribution assumption: employee only about $120,938 at 4% or $80,625 at 6%; with 50% employer match about $80,625 at 4% or $53,750 at 6%; with 100% employer match about $60,469 at 4% or $40,313 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 1,955 | $484,139,137 | $29,736,941 | $15,211iApproximate average salary by contribution assumption: employee only about $380,268 at 4% or $253,512 at 6%; with 50% employer match about $253,512 at 4% or $169,008 at 6%; with 100% employer match about $190,134 at 4% or $126,756 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 566 | $27,819,955 | $1,964,036 | $3,470iApproximate average salary by contribution assumption: employee only about $86,751 at 4% or $57,834 at 6%; with 50% employer match about $57,834 at 4% or $38,556 at 6%; with 100% employer match about $43,375 at 4% or $28,917 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 1,878 | - | - | - |
| 2019 | 4 | 1,957 | $1,021,611,762 | $70,409,412 | $35,978iApproximate average salary by contribution assumption: employee only about $899,456 at 4% or $599,637 at 6%; with 50% employer match about $599,637 at 4% or $399,758 at 6%; with 100% employer match about $449,728 at 4% or $299,819 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 1,900 | $601,814,303 | $42,561,000 | $22,401iApproximate average salary by contribution assumption: employee only about $560,013 at 4% or $373,342 at 6%; with 50% employer match about $373,342 at 4% or $248,895 at 6%; with 100% employer match about $280,007 at 4% or $186,671 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 1,957 | $396,483,475 | $25,529,674 | $13,045iApproximate average salary by contribution assumption: employee only about $326,133 at 4% or $217,422 at 6%; with 50% employer match about $217,422 at 4% or $144,948 at 6%; with 100% employer match about $163,066 at 4% or $108,711 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 645 | $23,313,984 | $2,318,738 | $3,595iApproximate average salary by contribution assumption: employee only about $89,874 at 4% or $59,916 at 6%; with 50% employer match about $59,916 at 4% or $39,944 at 6%; with 100% employer match about $44,937 at 4% or $29,958 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 1,829 | - | - | - |
| 2018 | 4 | 1,793 | $845,191,187 | $37,500,538 | $20,915iApproximate average salary by contribution assumption: employee only about $522,874 at 4% or $348,583 at 6%; with 50% employer match about $348,583 at 4% or $232,389 at 6%; with 100% employer match about $261,437 at 4% or $174,291 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 1,733 | $498,170,840 | $12,240,204 | $7,063iApproximate average salary by contribution assumption: employee only about $176,575 at 4% or $117,717 at 6%; with 50% employer match about $117,717 at 4% or $78,478 at 6%; with 100% employer match about $88,288 at 4% or $58,858 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 1,793 | $329,102,580 | $23,649,238 | $13,190iApproximate average salary by contribution assumption: employee only about $329,744 at 4% or $219,829 at 6%; with 50% employer match about $219,829 at 4% or $146,553 at 6%; with 100% employer match about $164,872 at 4% or $109,915 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 538 | $17,917,767 | $1,611,096 | $2,995iApproximate average salary by contribution assumption: employee only about $74,865 at 4% or $49,910 at 6%; with 50% employer match about $49,910 at 4% or $33,273 at 6%; with 100% employer match about $37,433 at 4% or $24,955 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 1,590 | - | - | - |
| 2017 | 4 | 1,746 | $936,040,869 | $40,760,942 | $23,345iApproximate average salary by contribution assumption: employee only about $583,633 at 4% or $389,089 at 6%; with 50% employer match about $389,089 at 4% or $259,393 at 6%; with 100% employer match about $291,817 at 4% or $194,544 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee Retirement Plan | - | 1,688 | $556,151,283 | $17,434,560 | $10,329iApproximate average salary by contribution assumption: employee only about $258,213 at 4% or $172,142 at 6%; with 50% employer match about $172,142 at 4% or $114,761 at 6%; with 100% employer match about $129,107 at 4% or $86,071 at 6%. |
| Mission Support and Test Services LLC (Msts) Employee 401(K) Plan | - | 1,746 | $360,960,599 | $21,832,884 | $12,505iApproximate average salary by contribution assumption: employee only about $312,613 at 4% or $208,409 at 6%; with 50% employer match about $208,409 at 4% or $138,939 at 6%; with 100% employer match about $156,306 at 4% or $104,204 at 6%. |
| Mission Support and Test Services LLC (Msts) Represented Employee 401(K) Plan | - | 497 | $18,928,987 | $1,493,498 | $3,005iApproximate average salary by contribution assumption: employee only about $75,126 at 4% or $50,084 at 6%; with 50% employer match about $50,084 at 4% or $33,389 at 6%; with 100% employer match about $37,563 at 4% or $25,042 at 6%. |
| Mission Support and Test Services LLC Welfare Benefits Plan | - | 1,598 | - | - | - |