Science & Engineering Services Inc.
Plan context: Science & Engineering Services Inc. 401K Plan
EIN 52-1569411 • Columbia, MD • 47 filings • 5 plans
Current Snapshot
Latest Year
2024
2024 Participants
673
2024 Assets
$71,529,227
2024 Contributions
$6,898,978
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 | 2 | 673 | $71,529,227 | $6,898,978 | $10,251iApproximate average salary by contribution assumption: employee only about $256,277 at 4% or $170,851 at 6%; with 50% employer match about $170,851 at 4% or $113,901 at 6%; with 100% employer match about $128,139 at 4% or $85,426 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 673 | $71,529,227 | $6,898,978 | $10,251iApproximate average salary by contribution assumption: employee only about $256,277 at 4% or $170,851 at 6%; with 50% employer match about $170,851 at 4% or $113,901 at 6%; with 100% employer match about $128,139 at 4% or $85,426 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 667 | - | - | - |
| 2023 | 2 | 601 | $61,766,542 | $5,594,572 | $9,309iApproximate average salary by contribution assumption: employee only about $232,719 at 4% or $155,146 at 6%; with 50% employer match about $155,146 at 4% or $103,431 at 6%; with 100% employer match about $116,360 at 4% or $77,573 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 594 | $61,766,542 | $5,594,572 | $9,418iApproximate average salary by contribution assumption: employee only about $235,462 at 4% or $156,975 at 6%; with 50% employer match about $156,975 at 4% or $104,650 at 6%; with 100% employer match about $117,731 at 4% or $78,487 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 601 | - | - | - |
| 2022 | 2 | 601 | $50,997,571 | $6,245,819 | $10,392iApproximate average salary by contribution assumption: employee only about $259,809 at 4% or $173,206 at 6%; with 50% employer match about $173,206 at 4% or $115,471 at 6%; with 100% employer match about $129,905 at 4% or $86,603 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 540 | $50,997,571 | $6,245,819 | $11,566iApproximate average salary by contribution assumption: employee only about $289,158 at 4% or $192,772 at 6%; with 50% employer match about $192,772 at 4% or $128,515 at 6%; with 100% employer match about $144,579 at 4% or $96,386 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 601 | - | - | - |
| 2021 | 2 | 681 | $62,260,463 | $7,863,254 | $11,547iApproximate average salary by contribution assumption: employee only about $288,666 at 4% or $192,444 at 6%; with 50% employer match about $192,444 at 4% or $128,296 at 6%; with 100% employer match about $144,333 at 4% or $96,222 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 681 | $62,260,463 | $7,863,254 | $11,547iApproximate average salary by contribution assumption: employee only about $288,666 at 4% or $192,444 at 6%; with 50% employer match about $192,444 at 4% or $128,296 at 6%; with 100% employer match about $144,333 at 4% or $96,222 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 614 | - | - | - |
| 2020 | 2 | 908 | $53,180,028 | $8,139,155 | $8,964iApproximate average salary by contribution assumption: employee only about $224,096 at 4% or $149,397 at 6%; with 50% employer match about $149,397 at 4% or $99,598 at 6%; with 100% employer match about $112,048 at 4% or $74,699 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 908 | $53,180,028 | $8,139,155 | $8,964iApproximate average salary by contribution assumption: employee only about $224,096 at 4% or $149,397 at 6%; with 50% employer match about $149,397 at 4% or $99,598 at 6%; with 100% employer match about $112,048 at 4% or $74,699 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 820 | - | - | - |
| 2019 | 2 | 1,005 | $44,098,610 | $7,040,276 | $7,005iApproximate average salary by contribution assumption: employee only about $175,131 at 4% or $116,754 at 6%; with 50% employer match about $116,754 at 4% or $77,836 at 6%; with 100% employer match about $87,566 at 4% or $58,377 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 1,005 | $44,098,610 | $7,040,276 | $7,005iApproximate average salary by contribution assumption: employee only about $175,131 at 4% or $116,754 at 6%; with 50% employer match about $116,754 at 4% or $77,836 at 6%; with 100% employer match about $87,566 at 4% or $58,377 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 978 | - | - | - |
| 2018 | 2 | 1,010 | $34,141,543 | $5,259,378 | $5,207iApproximate average salary by contribution assumption: employee only about $130,183 at 4% or $86,788 at 6%; with 50% employer match about $86,788 at 4% or $57,859 at 6%; with 100% employer match about $65,091 at 4% or $43,394 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 987 | $34,141,543 | $5,259,378 | $5,329iApproximate average salary by contribution assumption: employee only about $133,216 at 4% or $88,811 at 6%; with 50% employer match about $88,811 at 4% or $59,207 at 6%; with 100% employer match about $66,608 at 4% or $44,405 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 1,010 | - | - | - |
| 2017 | 2 | 987 | $35,298,373 | $4,546,228 | $4,606iApproximate average salary by contribution assumption: employee only about $115,153 at 4% or $76,768 at 6%; with 50% employer match about $76,768 at 4% or $51,179 at 6%; with 100% employer match about $57,576 at 4% or $38,384 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 943 | $35,298,373 | $4,546,228 | $4,821iApproximate average salary by contribution assumption: employee only about $120,526 at 4% or $80,350 at 6%; with 50% employer match about $80,350 at 4% or $53,567 at 6%; with 100% employer match about $60,263 at 4% or $40,175 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 987 | - | - | - |
| 2016 | 2 | 872 | $27,596,167 | $4,444,459 | $5,097iApproximate average salary by contribution assumption: employee only about $127,421 at 4% or $84,948 at 6%; with 50% employer match about $84,948 at 4% or $56,632 at 6%; with 100% employer match about $63,711 at 4% or $42,474 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 762 | $27,596,167 | $4,444,459 | $5,833iApproximate average salary by contribution assumption: employee only about $145,816 at 4% or $97,210 at 6%; with 50% employer match about $97,210 at 4% or $64,807 at 6%; with 100% employer match about $72,908 at 4% or $48,605 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 872 | - | - | - |
| 2015 | 2 | 830 | $22,667,433 | $3,481,539 | $4,195iApproximate average salary by contribution assumption: employee only about $104,866 at 4% or $69,910 at 6%; with 50% employer match about $69,910 at 4% or $46,607 at 6%; with 100% employer match about $52,433 at 4% or $34,955 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 817 | $22,667,433 | $3,481,539 | $4,261iApproximate average salary by contribution assumption: employee only about $106,534 at 4% or $71,023 at 6%; with 50% employer match about $71,023 at 4% or $47,349 at 6%; with 100% employer match about $53,267 at 4% or $35,511 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 830 | - | - | - |
| 2014 | 2 | 777 | $20,367,023 | $3,401,322 | $4,378iApproximate average salary by contribution assumption: employee only about $109,438 at 4% or $72,958 at 6%; with 50% employer match about $72,958 at 4% or $48,639 at 6%; with 100% employer match about $54,719 at 4% or $36,479 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 687 | $20,367,023 | $3,401,322 | $4,951iApproximate average salary by contribution assumption: employee only about $123,774 at 4% or $82,516 at 6%; with 50% employer match about $82,516 at 4% or $55,011 at 6%; with 100% employer match about $61,887 at 4% or $41,258 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 777 | - | - | - |
| 2013 | 2 | 753 | $17,072,398 | $3,128,904 | $4,155iApproximate average salary by contribution assumption: employee only about $103,881 at 4% or $69,254 at 6%; with 50% employer match about $69,254 at 4% or $46,169 at 6%; with 100% employer match about $51,941 at 4% or $34,627 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 753 | $17,072,398 | $3,128,904 | $4,155iApproximate average salary by contribution assumption: employee only about $103,881 at 4% or $69,254 at 6%; with 50% employer match about $69,254 at 4% or $46,169 at 6%; with 100% employer match about $51,941 at 4% or $34,627 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 751 | - | - | - |
| 2012 | 2 | 794 | $12,829,574 | $2,910,776 | $3,666iApproximate average salary by contribution assumption: employee only about $91,649 at 4% or $61,099 at 6%; with 50% employer match about $61,099 at 4% or $40,733 at 6%; with 100% employer match about $45,825 at 4% or $30,550 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 794 | $12,829,574 | $2,910,776 | $3,666iApproximate average salary by contribution assumption: employee only about $91,649 at 4% or $61,099 at 6%; with 50% employer match about $61,099 at 4% or $40,733 at 6%; with 100% employer match about $45,825 at 4% or $30,550 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 757 | - | - | - |
| 2011 | 2 | 648 | $9,705,388 | $2,382,052 | $3,676iApproximate average salary by contribution assumption: employee only about $91,900 at 4% or $61,267 at 6%; with 50% employer match about $61,267 at 4% or $40,845 at 6%; with 100% employer match about $45,950 at 4% or $30,633 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 629 | $9,705,388 | $2,382,052 | $3,787iApproximate average salary by contribution assumption: employee only about $94,676 at 4% or $63,117 at 6%; with 50% employer match about $63,117 at 4% or $42,078 at 6%; with 100% employer match about $47,338 at 4% or $31,559 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 648 | - | - | - |
| 2010 | 2 | 670 | $8,526,505 | $1,658,884 | $2,476iApproximate average salary by contribution assumption: employee only about $61,899 at 4% or $41,266 at 6%; with 50% employer match about $41,266 at 4% or $27,511 at 6%; with 100% employer match about $30,949 at 4% or $20,633 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 575 | $8,526,505 | $1,658,884 | $2,885iApproximate average salary by contribution assumption: employee only about $72,125 at 4% or $48,084 at 6%; with 50% employer match about $48,084 at 4% or $32,056 at 6%; with 100% employer match about $36,063 at 4% or $24,042 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 670 | - | - | - |
| 2009 | 2 | 602 | $6,426,448 | $1,249,148 | $2,075iApproximate average salary by contribution assumption: employee only about $51,875 at 4% or $34,583 at 6%; with 50% employer match about $34,583 at 4% or $23,056 at 6%; with 100% employer match about $25,937 at 4% or $17,292 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 473 | $6,426,448 | $1,249,148 | $2,641iApproximate average salary by contribution assumption: employee only about $66,023 at 4% or $44,015 at 6%; with 50% employer match about $44,015 at 4% or $29,343 at 6%; with 100% employer match about $33,011 at 4% or $22,008 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 602 | - | - | - |
| 2008 | 3 | 468 | $4,312,407 | $1,174,512 | $2,510iApproximate average salary by contribution assumption: employee only about $62,741 at 4% or $41,827 at 6%; with 50% employer match about $41,827 at 4% or $27,885 at 6%; with 100% employer match about $31,371 at 4% or $20,914 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 342 | $4,312,407 | $1,174,512 | $3,434iApproximate average salary by contribution assumption: employee only about $85,856 at 4% or $57,237 at 6%; with 50% employer match about $57,237 at 4% or $38,158 at 6%; with 100% employer match about $42,928 at 4% or $28,619 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 377 | - | - | - |
| Sesi Health and Welfare Benefit Plan | - | 468 | - | - | - |
| 2007 | 3 | 369 | $5,158,659 | $963,994 | $2,612iApproximate average salary by contribution assumption: employee only about $65,311 at 4% or $43,541 at 6%; with 50% employer match about $43,541 at 4% or $29,027 at 6%; with 100% employer match about $32,656 at 4% or $21,770 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 238 | $5,158,659 | $963,994 | $4,050iApproximate average salary by contribution assumption: employee only about $101,260 at 4% or $67,507 at 6%; with 50% employer match about $67,507 at 4% or $45,004 at 6%; with 100% employer match about $50,630 at 4% or $33,753 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 369 | - | - | - |
| Sesi Health and Welfare Benefit Plan | - | 320 | - | - | - |
| 2006 | 2 | 263 | $4,172,927 | $860,666 | $3,272iApproximate average salary by contribution assumption: employee only about $81,812 at 4% or $54,542 at 6%; with 50% employer match about $54,542 at 4% or $36,361 at 6%; with 100% employer match about $40,906 at 4% or $27,271 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 263 | $4,172,927 | $860,666 | $3,272iApproximate average salary by contribution assumption: employee only about $81,812 at 4% or $54,542 at 6%; with 50% employer match about $54,542 at 4% or $36,361 at 6%; with 100% employer match about $40,906 at 4% or $27,271 at 6%. |
| Sesi Health and Welfare Benefit Plan | - | 243 | - | - | - |
| 2005 | 1 | 189 | $3,406,251 | $973,611 | $5,151iApproximate average salary by contribution assumption: employee only about $128,785 at 4% or $85,856 at 6%; with 50% employer match about $85,856 at 4% or $57,238 at 6%; with 100% employer match about $64,392 at 4% or $42,928 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 189 | $3,406,251 | $973,611 | $5,151iApproximate average salary by contribution assumption: employee only about $128,785 at 4% or $85,856 at 6%; with 50% employer match about $85,856 at 4% or $57,238 at 6%; with 100% employer match about $64,392 at 4% or $42,928 at 6%. |
| 2004 | 1 | 98 | $2,430,532 | $632,459 | $6,454iApproximate average salary by contribution assumption: employee only about $161,342 at 4% or $107,561 at 6%; with 50% employer match about $107,561 at 4% or $71,707 at 6%; with 100% employer match about $80,671 at 4% or $53,781 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 98 | $2,430,532 | $632,459 | $6,454iApproximate average salary by contribution assumption: employee only about $161,342 at 4% or $107,561 at 6%; with 50% employer match about $107,561 at 4% or $71,707 at 6%; with 100% employer match about $80,671 at 4% or $53,781 at 6%. |
| 2003 | 1 | 91 | $1,924,895 | $507,791 | $5,580iApproximate average salary by contribution assumption: employee only about $139,503 at 4% or $93,002 at 6%; with 50% employer match about $93,002 at 4% or $62,001 at 6%; with 100% employer match about $69,752 at 4% or $46,501 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 91 | $1,924,895 | $507,791 | $5,580iApproximate average salary by contribution assumption: employee only about $139,503 at 4% or $93,002 at 6%; with 50% employer match about $93,002 at 4% or $62,001 at 6%; with 100% employer match about $69,752 at 4% or $46,501 at 6%. |
| 2002 | 1 | 91 | $1,231,385 | $481,986 | $5,297iApproximate average salary by contribution assumption: employee only about $132,414 at 4% or $88,276 at 6%; with 50% employer match about $88,276 at 4% or $58,851 at 6%; with 100% employer match about $66,207 at 4% or $44,138 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 91 | $1,231,385 | $481,986 | $5,297iApproximate average salary by contribution assumption: employee only about $132,414 at 4% or $88,276 at 6%; with 50% employer match about $88,276 at 4% or $58,851 at 6%; with 100% employer match about $66,207 at 4% or $44,138 at 6%. |
| 2001 | 1 | 82 | $1,122,981 | $405,654 | $4,947iApproximate average salary by contribution assumption: employee only about $123,675 at 4% or $82,450 at 6%; with 50% employer match about $82,450 at 4% or $54,967 at 6%; with 100% employer match about $61,838 at 4% or $41,225 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 82 | $1,122,981 | $405,654 | $4,947iApproximate average salary by contribution assumption: employee only about $123,675 at 4% or $82,450 at 6%; with 50% employer match about $82,450 at 4% or $54,967 at 6%; with 100% employer match about $61,838 at 4% or $41,225 at 6%. |
| 2000 | 1 | 113 | $1,086,330 | $348,288 | $3,082iApproximate average salary by contribution assumption: employee only about $77,055 at 4% or $51,370 at 6%; with 50% employer match about $51,370 at 4% or $34,247 at 6%; with 100% employer match about $38,527 at 4% or $25,685 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 113 | $1,086,330 | $348,288 | $3,082iApproximate average salary by contribution assumption: employee only about $77,055 at 4% or $51,370 at 6%; with 50% employer match about $51,370 at 4% or $34,247 at 6%; with 100% employer match about $38,527 at 4% or $25,685 at 6%. |
| 1999 | 1 | 89 | $1,068,927 | $321,088 | $3,608iApproximate average salary by contribution assumption: employee only about $90,193 at 4% or $60,129 at 6%; with 50% employer match about $60,129 at 4% or $40,086 at 6%; with 100% employer match about $45,097 at 4% or $30,064 at 6%. |
| Science & Engineering Services Inc. 401K Plan | - | 89 | $1,068,927 | $321,088 | $3,608iApproximate average salary by contribution assumption: employee only about $90,193 at 4% or $60,129 at 6%; with 50% employer match about $60,129 at 4% or $40,086 at 6%; with 100% employer match about $45,097 at 4% or $30,064 at 6%. |