Mechanical Insulation Design & Construction Inc.
Plan context: Midco 401(K) Profit Sharing Plan
EIN 04-3577418 • Norwood, MA • 19 filings • 2 plans
Current Snapshot
Latest Year
2024
2024 Participants
9
2024 Assets
$959,477
2024 Contributions
$86,035
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 | 1 | 9 | $959,477 | $86,035 | $9,559iApproximate average salary by contribution assumption: employee only about $238,986 at 4% or $159,324 at 6%; with 50% employer match about $159,324 at 4% or $106,216 at 6%; with 100% employer match about $119,493 at 4% or $79,662 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $959,477 | $86,035 | $9,559iApproximate average salary by contribution assumption: employee only about $238,986 at 4% or $159,324 at 6%; with 50% employer match about $159,324 at 4% or $106,216 at 6%; with 100% employer match about $119,493 at 4% or $79,662 at 6%. |
| 2023 | 1 | 8 | $782,143 | $81,128 | $10,141iApproximate average salary by contribution assumption: employee only about $253,525 at 4% or $169,017 at 6%; with 50% employer match about $169,017 at 4% or $112,678 at 6%; with 100% employer match about $126,763 at 4% or $84,508 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 8 | $782,143 | $81,128 | $10,141iApproximate average salary by contribution assumption: employee only about $253,525 at 4% or $169,017 at 6%; with 50% employer match about $169,017 at 4% or $112,678 at 6%; with 100% employer match about $126,763 at 4% or $84,508 at 6%. |
| 2022 | 1 | 9 | $692,964 | $70,837 | $7,871iApproximate average salary by contribution assumption: employee only about $196,769 at 4% or $131,180 at 6%; with 50% employer match about $131,180 at 4% or $87,453 at 6%; with 100% employer match about $98,385 at 4% or $65,590 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $692,964 | $70,837 | $7,871iApproximate average salary by contribution assumption: employee only about $196,769 at 4% or $131,180 at 6%; with 50% employer match about $131,180 at 4% or $87,453 at 6%; with 100% employer match about $98,385 at 4% or $65,590 at 6%. |
| 2021 | 1 | 9 | $803,504 | $69,618 | $7,735iApproximate average salary by contribution assumption: employee only about $193,383 at 4% or $128,922 at 6%; with 50% employer match about $128,922 at 4% or $85,948 at 6%; with 100% employer match about $96,692 at 4% or $64,461 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $803,504 | $69,618 | $7,735iApproximate average salary by contribution assumption: employee only about $193,383 at 4% or $128,922 at 6%; with 50% employer match about $128,922 at 4% or $85,948 at 6%; with 100% employer match about $96,692 at 4% or $64,461 at 6%. |
| 2020 | 1 | 9 | $692,727 | $70,127 | $7,792iApproximate average salary by contribution assumption: employee only about $194,797 at 4% or $129,865 at 6%; with 50% employer match about $129,865 at 4% or $86,577 at 6%; with 100% employer match about $97,399 at 4% or $64,932 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $692,727 | $70,127 | $7,792iApproximate average salary by contribution assumption: employee only about $194,797 at 4% or $129,865 at 6%; with 50% employer match about $129,865 at 4% or $86,577 at 6%; with 100% employer match about $97,399 at 4% or $64,932 at 6%. |
| 2019 | 1 | 6 | $511,747 | $41,732 | $6,955iApproximate average salary by contribution assumption: employee only about $173,883 at 4% or $115,922 at 6%; with 50% employer match about $115,922 at 4% or $77,281 at 6%; with 100% employer match about $86,942 at 4% or $57,961 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 6 | $511,747 | $41,732 | $6,955iApproximate average salary by contribution assumption: employee only about $173,883 at 4% or $115,922 at 6%; with 50% employer match about $115,922 at 4% or $77,281 at 6%; with 100% employer match about $86,942 at 4% or $57,961 at 6%. |
| 2018 | 1 | 7 | $401,428 | $42,699 | $6,100iApproximate average salary by contribution assumption: employee only about $152,496 at 4% or $101,664 at 6%; with 50% employer match about $101,664 at 4% or $67,776 at 6%; with 100% employer match about $76,248 at 4% or $50,832 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 7 | $401,428 | $42,699 | $6,100iApproximate average salary by contribution assumption: employee only about $152,496 at 4% or $101,664 at 6%; with 50% employer match about $101,664 at 4% or $67,776 at 6%; with 100% employer match about $76,248 at 4% or $50,832 at 6%. |
| 2017 | 1 | 9 | $522,765 | $50,107 | $5,567iApproximate average salary by contribution assumption: employee only about $139,186 at 4% or $92,791 at 6%; with 50% employer match about $92,791 at 4% or $61,860 at 6%; with 100% employer match about $69,593 at 4% or $46,395 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $522,765 | $50,107 | $5,567iApproximate average salary by contribution assumption: employee only about $139,186 at 4% or $92,791 at 6%; with 50% employer match about $92,791 at 4% or $61,860 at 6%; with 100% employer match about $69,593 at 4% or $46,395 at 6%. |
| 2016 | 1 | 8 | $400,757 | $38,015 | $4,752iApproximate average salary by contribution assumption: employee only about $118,797 at 4% or $79,198 at 6%; with 50% employer match about $79,198 at 4% or $52,799 at 6%; with 100% employer match about $59,398 at 4% or $39,599 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 8 | $400,757 | $38,015 | $4,752iApproximate average salary by contribution assumption: employee only about $118,797 at 4% or $79,198 at 6%; with 50% employer match about $79,198 at 4% or $52,799 at 6%; with 100% employer match about $59,398 at 4% or $39,599 at 6%. |
| 2015 | 1 | 8 | $343,871 | $37,950 | $4,744iApproximate average salary by contribution assumption: employee only about $118,594 at 4% or $79,063 at 6%; with 50% employer match about $79,063 at 4% or $52,708 at 6%; with 100% employer match about $59,297 at 4% or $39,531 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 8 | $343,871 | $37,950 | $4,744iApproximate average salary by contribution assumption: employee only about $118,594 at 4% or $79,063 at 6%; with 50% employer match about $79,063 at 4% or $52,708 at 6%; with 100% employer match about $59,297 at 4% or $39,531 at 6%. |
| 2014 | 1 | 10 | $386,472 | $25,835 | $2,584iApproximate average salary by contribution assumption: employee only about $64,588 at 4% or $43,058 at 6%; with 50% employer match about $43,058 at 4% or $28,706 at 6%; with 100% employer match about $32,294 at 4% or $21,529 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 10 | $386,472 | $25,835 | $2,584iApproximate average salary by contribution assumption: employee only about $64,588 at 4% or $43,058 at 6%; with 50% employer match about $43,058 at 4% or $28,706 at 6%; with 100% employer match about $32,294 at 4% or $21,529 at 6%. |
| 2013 | 1 | 9 | $344,128 | $41,988 | $4,665iApproximate average salary by contribution assumption: employee only about $116,633 at 4% or $77,756 at 6%; with 50% employer match about $77,756 at 4% or $51,837 at 6%; with 100% employer match about $58,317 at 4% or $38,878 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $344,128 | $41,988 | $4,665iApproximate average salary by contribution assumption: employee only about $116,633 at 4% or $77,756 at 6%; with 50% employer match about $77,756 at 4% or $51,837 at 6%; with 100% employer match about $58,317 at 4% or $38,878 at 6%. |
| 2012 | 1 | 9 | $259,027 | $20,735 | $2,304iApproximate average salary by contribution assumption: employee only about $57,597 at 4% or $38,398 at 6%; with 50% employer match about $38,398 at 4% or $25,599 at 6%; with 100% employer match about $28,799 at 4% or $19,199 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 9 | $259,027 | $20,735 | $2,304iApproximate average salary by contribution assumption: employee only about $57,597 at 4% or $38,398 at 6%; with 50% employer match about $38,398 at 4% or $25,599 at 6%; with 100% employer match about $28,799 at 4% or $19,199 at 6%. |
| 2011 | 1 | 11 | $216,963 | $53,391 | $4,854iApproximate average salary by contribution assumption: employee only about $121,343 at 4% or $80,895 at 6%; with 50% employer match about $80,895 at 4% or $53,930 at 6%; with 100% employer match about $60,672 at 4% or $40,448 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 11 | $216,963 | $53,391 | $4,854iApproximate average salary by contribution assumption: employee only about $121,343 at 4% or $80,895 at 6%; with 50% employer match about $80,895 at 4% or $53,930 at 6%; with 100% employer match about $60,672 at 4% or $40,448 at 6%. |
| 2010 | 1 | 11 | $167,381 | $46,774 | $4,252iApproximate average salary by contribution assumption: employee only about $106,305 at 4% or $70,870 at 6%; with 50% employer match about $70,870 at 4% or $47,246 at 6%; with 100% employer match about $53,152 at 4% or $35,435 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 11 | $167,381 | $46,774 | $4,252iApproximate average salary by contribution assumption: employee only about $106,305 at 4% or $70,870 at 6%; with 50% employer match about $70,870 at 4% or $47,246 at 6%; with 100% employer match about $53,152 at 4% or $35,435 at 6%. |
| 2009 | 1 | 12 | $111,227 | $20,504 | $1,709iApproximate average salary by contribution assumption: employee only about $42,717 at 4% or $28,478 at 6%; with 50% employer match about $28,478 at 4% or $18,985 at 6%; with 100% employer match about $21,358 at 4% or $14,239 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 12 | $111,227 | $20,504 | $1,709iApproximate average salary by contribution assumption: employee only about $42,717 at 4% or $28,478 at 6%; with 50% employer match about $28,478 at 4% or $18,985 at 6%; with 100% employer match about $21,358 at 4% or $14,239 at 6%. |
| 2008 | 1 | 21 | $78,633 | $47,673 | $2,270iApproximate average salary by contribution assumption: employee only about $56,754 at 4% or $37,836 at 6%; with 50% employer match about $37,836 at 4% or $25,224 at 6%; with 100% employer match about $28,377 at 4% or $18,918 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 21 | $78,633 | $47,673 | $2,270iApproximate average salary by contribution assumption: employee only about $56,754 at 4% or $37,836 at 6%; with 50% employer match about $37,836 at 4% or $25,224 at 6%; with 100% employer match about $28,377 at 4% or $18,918 at 6%. |
| 2007 | 1 | 27 | $0 | $0 | - |
| Midco 401(K) Profit Sharing Plan | - | 27 | - | - | - |
| 2006 | 1 | 18 | $15,521 | $15,407 | $856iApproximate average salary by contribution assumption: employee only about $21,399 at 4% or $14,266 at 6%; with 50% employer match about $14,266 at 4% or $9,510 at 6%; with 100% employer match about $10,699 at 4% or $7,133 at 6%. |
| Midco 401(K) Profit Sharing Plan | - | 18 | $15,521 | $15,407 | $856iApproximate average salary by contribution assumption: employee only about $21,399 at 4% or $14,266 at 6%; with 50% employer match about $14,266 at 4% or $9,510 at 6%; with 100% employer match about $10,699 at 4% or $7,133 at 6%. |