Middlesex Gases & Technologies Inc
Plan context: Middlesex 401(K) Retirement Plan
EIN 04-2084765 • Danbury, CT • 27 filings • 2 plans
Current Snapshot
Latest Year
2025
2025 Participants
89
2025 Assets
$11,146,836
2025 Contributions
$425,307
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 |
|---|---|---|---|---|---|
| 2025 | 1 | 0 | $0 | $425,307 | - |
| Middlesex 401(K) Retirement Plan | - | 0 | $0 | $425,307 | - |
| 2024 | 1 | 89 | $11,146,836 | $671,183 | $7,541iApproximate average salary by contribution assumption: employee only about $188,535 at 4% or $125,690 at 6%; with 50% employer match about $125,690 at 4% or $83,793 at 6%; with 100% employer match about $94,267 at 4% or $62,845 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 89 | $11,146,836 | $671,183 | $7,541iApproximate average salary by contribution assumption: employee only about $188,535 at 4% or $125,690 at 6%; with 50% employer match about $125,690 at 4% or $83,793 at 6%; with 100% employer match about $94,267 at 4% or $62,845 at 6%. |
| 2023 | 1 | 73 | $9,435,368 | $673,217 | $9,222iApproximate average salary by contribution assumption: employee only about $230,554 at 4% or $153,703 at 6%; with 50% employer match about $153,703 at 4% or $102,468 at 6%; with 100% employer match about $115,277 at 4% or $76,851 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 73 | $9,435,368 | $673,217 | $9,222iApproximate average salary by contribution assumption: employee only about $230,554 at 4% or $153,703 at 6%; with 50% employer match about $153,703 at 4% or $102,468 at 6%; with 100% employer match about $115,277 at 4% or $76,851 at 6%. |
| 2022 | 1 | 76 | $7,800,792 | $492,074 | $6,475iApproximate average salary by contribution assumption: employee only about $161,866 at 4% or $107,911 at 6%; with 50% employer match about $107,911 at 4% or $71,941 at 6%; with 100% employer match about $80,933 at 4% or $53,955 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 76 | $7,800,792 | $492,074 | $6,475iApproximate average salary by contribution assumption: employee only about $161,866 at 4% or $107,911 at 6%; with 50% employer match about $107,911 at 4% or $71,941 at 6%; with 100% employer match about $80,933 at 4% or $53,955 at 6%. |
| 2021 | 1 | 68 | $9,881,010 | $264,154 | $3,885iApproximate average salary by contribution assumption: employee only about $97,115 at 4% or $64,744 at 6%; with 50% employer match about $64,744 at 4% or $43,162 at 6%; with 100% employer match about $48,558 at 4% or $32,372 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 68 | $9,881,010 | $264,154 | $3,885iApproximate average salary by contribution assumption: employee only about $97,115 at 4% or $64,744 at 6%; with 50% employer match about $64,744 at 4% or $43,162 at 6%; with 100% employer match about $48,558 at 4% or $32,372 at 6%. |
| 2020 | 1 | 63 | $8,477,957 | $344,349 | $5,466iApproximate average salary by contribution assumption: employee only about $136,646 at 4% or $91,098 at 6%; with 50% employer match about $91,098 at 4% or $60,732 at 6%; with 100% employer match about $68,323 at 4% or $45,549 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 63 | $8,477,957 | $344,349 | $5,466iApproximate average salary by contribution assumption: employee only about $136,646 at 4% or $91,098 at 6%; with 50% employer match about $91,098 at 4% or $60,732 at 6%; with 100% employer match about $68,323 at 4% or $45,549 at 6%. |
| 2019 | 1 | 54 | $7,008,672 | $329,003 | $6,093iApproximate average salary by contribution assumption: employee only about $152,316 at 4% or $101,544 at 6%; with 50% employer match about $101,544 at 4% or $67,696 at 6%; with 100% employer match about $76,158 at 4% or $50,772 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 54 | $7,008,672 | $329,003 | $6,093iApproximate average salary by contribution assumption: employee only about $152,316 at 4% or $101,544 at 6%; with 50% employer match about $101,544 at 4% or $67,696 at 6%; with 100% employer match about $76,158 at 4% or $50,772 at 6%. |
| 2018 | 1 | 56 | $6,132,109 | $323,580 | $5,778iApproximate average salary by contribution assumption: employee only about $144,455 at 4% or $96,304 at 6%; with 50% employer match about $96,304 at 4% or $64,202 at 6%; with 100% employer match about $72,228 at 4% or $48,152 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 56 | $6,132,109 | $323,580 | $5,778iApproximate average salary by contribution assumption: employee only about $144,455 at 4% or $96,304 at 6%; with 50% employer match about $96,304 at 4% or $64,202 at 6%; with 100% employer match about $72,228 at 4% or $48,152 at 6%. |
| 2017 | 1 | 54 | $6,573,020 | $269,177 | $4,985iApproximate average salary by contribution assumption: employee only about $124,619 at 4% or $83,079 at 6%; with 50% employer match about $83,079 at 4% or $55,386 at 6%; with 100% employer match about $62,309 at 4% or $41,540 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 54 | $6,573,020 | $269,177 | $4,985iApproximate average salary by contribution assumption: employee only about $124,619 at 4% or $83,079 at 6%; with 50% employer match about $83,079 at 4% or $55,386 at 6%; with 100% employer match about $62,309 at 4% or $41,540 at 6%. |
| 2016 | 1 | 54 | $5,385,144 | $283,094 | $5,242iApproximate average salary by contribution assumption: employee only about $131,062 at 4% or $87,375 at 6%; with 50% employer match about $87,375 at 4% or $58,250 at 6%; with 100% employer match about $65,531 at 4% or $43,687 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 54 | $5,385,144 | $283,094 | $5,242iApproximate average salary by contribution assumption: employee only about $131,062 at 4% or $87,375 at 6%; with 50% employer match about $87,375 at 4% or $58,250 at 6%; with 100% employer match about $65,531 at 4% or $43,687 at 6%. |
| 2015 | 1 | 53 | $5,363,725 | $278,679 | $5,258iApproximate average salary by contribution assumption: employee only about $131,452 at 4% or $87,635 at 6%; with 50% employer match about $87,635 at 4% or $58,423 at 6%; with 100% employer match about $65,726 at 4% or $43,817 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 53 | $5,363,725 | $278,679 | $5,258iApproximate average salary by contribution assumption: employee only about $131,452 at 4% or $87,635 at 6%; with 50% employer match about $87,635 at 4% or $58,423 at 6%; with 100% employer match about $65,726 at 4% or $43,817 at 6%. |
| 2014 | 1 | 54 | $5,556,901 | $265,179 | $4,911iApproximate average salary by contribution assumption: employee only about $122,768 at 4% or $81,845 at 6%; with 50% employer match about $81,845 at 4% or $54,564 at 6%; with 100% employer match about $61,384 at 4% or $40,923 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 54 | $5,556,901 | $265,179 | $4,911iApproximate average salary by contribution assumption: employee only about $122,768 at 4% or $81,845 at 6%; with 50% employer match about $81,845 at 4% or $54,564 at 6%; with 100% employer match about $61,384 at 4% or $40,923 at 6%. |
| 2013 | 1 | 56 | $5,783,671 | $265,411 | $4,739iApproximate average salary by contribution assumption: employee only about $118,487 at 4% or $78,991 at 6%; with 50% employer match about $78,991 at 4% or $52,661 at 6%; with 100% employer match about $59,244 at 4% or $39,496 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 56 | $5,783,671 | $265,411 | $4,739iApproximate average salary by contribution assumption: employee only about $118,487 at 4% or $78,991 at 6%; with 50% employer match about $78,991 at 4% or $52,661 at 6%; with 100% employer match about $59,244 at 4% or $39,496 at 6%. |
| 2012 | 1 | 56 | $4,623,520 | $243,643 | $4,351iApproximate average salary by contribution assumption: employee only about $108,769 at 4% or $72,513 at 6%; with 50% employer match about $72,513 at 4% or $48,342 at 6%; with 100% employer match about $54,385 at 4% or $36,256 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 56 | $4,623,520 | $243,643 | $4,351iApproximate average salary by contribution assumption: employee only about $108,769 at 4% or $72,513 at 6%; with 50% employer match about $72,513 at 4% or $48,342 at 6%; with 100% employer match about $54,385 at 4% or $36,256 at 6%. |
| 2011 | 1 | 57 | $4,001,225 | $246,623 | $4,327iApproximate average salary by contribution assumption: employee only about $108,168 at 4% or $72,112 at 6%; with 50% employer match about $72,112 at 4% or $48,075 at 6%; with 100% employer match about $54,084 at 4% or $36,056 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 57 | $4,001,225 | $246,623 | $4,327iApproximate average salary by contribution assumption: employee only about $108,168 at 4% or $72,112 at 6%; with 50% employer match about $72,112 at 4% or $48,075 at 6%; with 100% employer match about $54,084 at 4% or $36,056 at 6%. |
| 2010 | 1 | 58 | $3,997,833 | $246,565 | $4,251iApproximate average salary by contribution assumption: employee only about $106,278 at 4% or $70,852 at 6%; with 50% employer match about $70,852 at 4% or $47,235 at 6%; with 100% employer match about $53,139 at 4% or $35,426 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 58 | $3,997,833 | $246,565 | $4,251iApproximate average salary by contribution assumption: employee only about $106,278 at 4% or $70,852 at 6%; with 50% employer match about $70,852 at 4% or $47,235 at 6%; with 100% employer match about $53,139 at 4% or $35,426 at 6%. |
| 2009 | 1 | 62 | $3,688,988 | $337,318 | $5,441iApproximate average salary by contribution assumption: employee only about $136,015 at 4% or $90,677 at 6%; with 50% employer match about $90,677 at 4% or $60,451 at 6%; with 100% employer match about $68,008 at 4% or $45,338 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 62 | $3,688,988 | $337,318 | $5,441iApproximate average salary by contribution assumption: employee only about $136,015 at 4% or $90,677 at 6%; with 50% employer match about $90,677 at 4% or $60,451 at 6%; with 100% employer match about $68,008 at 4% or $45,338 at 6%. |
| 2008 | 1 | 66 | $2,784,975 | $295,968 | $4,484iApproximate average salary by contribution assumption: employee only about $112,109 at 4% or $74,739 at 6%; with 50% employer match about $74,739 at 4% or $49,826 at 6%; with 100% employer match about $56,055 at 4% or $37,370 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 66 | $2,784,975 | $295,968 | $4,484iApproximate average salary by contribution assumption: employee only about $112,109 at 4% or $74,739 at 6%; with 50% employer match about $74,739 at 4% or $49,826 at 6%; with 100% employer match about $56,055 at 4% or $37,370 at 6%. |
| 2007 | 1 | 59 | $3,867,502 | $280,509 | $4,754iApproximate average salary by contribution assumption: employee only about $118,860 at 4% or $79,240 at 6%; with 50% employer match about $79,240 at 4% or $52,827 at 6%; with 100% employer match about $59,430 at 4% or $39,620 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 59 | $3,867,502 | $280,509 | $4,754iApproximate average salary by contribution assumption: employee only about $118,860 at 4% or $79,240 at 6%; with 50% employer match about $79,240 at 4% or $52,827 at 6%; with 100% employer match about $59,430 at 4% or $39,620 at 6%. |
| 2006 | 1 | 59 | $3,330,932 | $255,108 | $4,324iApproximate average salary by contribution assumption: employee only about $108,097 at 4% or $72,064 at 6%; with 50% employer match about $72,064 at 4% or $48,043 at 6%; with 100% employer match about $54,048 at 4% or $36,032 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 59 | $3,330,932 | $255,108 | $4,324iApproximate average salary by contribution assumption: employee only about $108,097 at 4% or $72,064 at 6%; with 50% employer match about $72,064 at 4% or $48,043 at 6%; with 100% employer match about $54,048 at 4% or $36,032 at 6%. |
| 2005 | 1 | 54 | $3,001,526 | $239,527 | $4,436iApproximate average salary by contribution assumption: employee only about $110,892 at 4% or $73,928 at 6%; with 50% employer match about $73,928 at 4% or $49,285 at 6%; with 100% employer match about $55,446 at 4% or $36,964 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 54 | $3,001,526 | $239,527 | $4,436iApproximate average salary by contribution assumption: employee only about $110,892 at 4% or $73,928 at 6%; with 50% employer match about $73,928 at 4% or $49,285 at 6%; with 100% employer match about $55,446 at 4% or $36,964 at 6%. |
| 2004 | 1 | 61 | $2,761,844 | $271,888 | $4,457iApproximate average salary by contribution assumption: employee only about $111,430 at 4% or $74,286 at 6%; with 50% employer match about $74,286 at 4% or $49,524 at 6%; with 100% employer match about $55,715 at 4% or $37,143 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 61 | $2,761,844 | $271,888 | $4,457iApproximate average salary by contribution assumption: employee only about $111,430 at 4% or $74,286 at 6%; with 50% employer match about $74,286 at 4% or $49,524 at 6%; with 100% employer match about $55,715 at 4% or $37,143 at 6%. |
| 2003 | 1 | 59 | $2,362,453 | $308,048 | $5,221iApproximate average salary by contribution assumption: employee only about $130,529 at 4% or $87,019 at 6%; with 50% employer match about $87,019 at 4% or $58,013 at 6%; with 100% employer match about $65,264 at 4% or $43,510 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 59 | $2,362,453 | $308,048 | $5,221iApproximate average salary by contribution assumption: employee only about $130,529 at 4% or $87,019 at 6%; with 50% employer match about $87,019 at 4% or $58,013 at 6%; with 100% employer match about $65,264 at 4% or $43,510 at 6%. |
| 2002 | 1 | 58 | $1,772,353 | $296,622 | $5,114iApproximate average salary by contribution assumption: employee only about $127,854 at 4% or $85,236 at 6%; with 50% employer match about $85,236 at 4% or $56,824 at 6%; with 100% employer match about $63,927 at 4% or $42,618 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 58 | $1,772,353 | $296,622 | $5,114iApproximate average salary by contribution assumption: employee only about $127,854 at 4% or $85,236 at 6%; with 50% employer match about $85,236 at 4% or $56,824 at 6%; with 100% employer match about $63,927 at 4% or $42,618 at 6%. |
| 2001 | 1 | 62 | $0 | $0 | - |
| Middlesex 401(K) Retirement Plan | - | 62 | - | - | - |
| 2000 | 1 | 59 | $1,855,748 | $347,389 | $5,888iApproximate average salary by contribution assumption: employee only about $147,199 at 4% or $98,132 at 6%; with 50% employer match about $98,132 at 4% or $65,422 at 6%; with 100% employer match about $73,599 at 4% or $49,066 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 59 | $1,855,748 | $347,389 | $5,888iApproximate average salary by contribution assumption: employee only about $147,199 at 4% or $98,132 at 6%; with 50% employer match about $98,132 at 4% or $65,422 at 6%; with 100% employer match about $73,599 at 4% or $49,066 at 6%. |
| 1999 | 1 | 50 | $1,742,839 | $276,228 | $5,525iApproximate average salary by contribution assumption: employee only about $138,114 at 4% or $92,076 at 6%; with 50% employer match about $92,076 at 4% or $61,384 at 6%; with 100% employer match about $69,057 at 4% or $46,038 at 6%. |
| Middlesex 401(K) Retirement Plan | - | 50 | $1,742,839 | $276,228 | $5,525iApproximate average salary by contribution assumption: employee only about $138,114 at 4% or $92,076 at 6%; with 50% employer match about $92,076 at 4% or $61,384 at 6%; with 100% employer match about $69,057 at 4% or $46,038 at 6%. |