Civic Intelligence

On Site Gas Systems Inc

Plan context: On Site Gas Systems Inc

EIN 06-1244285 • Newington, CT • 20 filings • 4 plans

35 Budney RdNewington, CT 06111-5133
Current Snapshot

Latest Year

2025

2025 Participants

26

2025 Assets

$6,021,609

2025 Contributions

$295,543

Historical Graphs

Total Assets Over Time

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

$6,021,609$3,010,805$0200620162025YearValue
$6,021,609Latest year 2025

Participants Over Time

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

42210200620162025YearValue
26Latest 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
2025126$6,021,609$295,543$11,367iApproximate average salary by contribution assumption: employee only about $284,176 at 4% or $189,451 at 6%; with 50% employer match about $189,451 at 4% or $126,300 at 6%; with 100% employer match about $142,088 at 4% or $94,725 at 6%.
On Site Gas Systems Inc-26$6,021,609$295,543$11,367iApproximate average salary by contribution assumption: employee only about $284,176 at 4% or $189,451 at 6%; with 50% employer match about $189,451 at 4% or $126,300 at 6%; with 100% employer match about $142,088 at 4% or $94,725 at 6%.
2024129$5,920,763$321,490$11,086iApproximate average salary by contribution assumption: employee only about $277,147 at 4% or $184,764 at 6%; with 50% employer match about $184,764 at 4% or $123,176 at 6%; with 100% employer match about $138,573 at 4% or $92,382 at 6%.
On Site Gas Systems Inc-29$5,920,763$321,490$11,086iApproximate average salary by contribution assumption: employee only about $277,147 at 4% or $184,764 at 6%; with 50% employer match about $184,764 at 4% or $123,176 at 6%; with 100% employer match about $138,573 at 4% or $92,382 at 6%.
2023131$5,473,387$328,777$10,606iApproximate average salary by contribution assumption: employee only about $265,143 at 4% or $176,762 at 6%; with 50% employer match about $176,762 at 4% or $117,841 at 6%; with 100% employer match about $132,571 at 4% or $88,381 at 6%.
On Site Gas Systems Inc-31$5,473,387$328,777$10,606iApproximate average salary by contribution assumption: employee only about $265,143 at 4% or $176,762 at 6%; with 50% employer match about $176,762 at 4% or $117,841 at 6%; with 100% employer match about $132,571 at 4% or $88,381 at 6%.
2022130$4,383,238$291,820$9,727iApproximate average salary by contribution assumption: employee only about $243,183 at 4% or $162,122 at 6%; with 50% employer match about $162,122 at 4% or $108,081 at 6%; with 100% employer match about $121,592 at 4% or $81,061 at 6%.
On Site Gas Systems Inc-30$4,383,238$291,820$9,727iApproximate average salary by contribution assumption: employee only about $243,183 at 4% or $162,122 at 6%; with 50% employer match about $162,122 at 4% or $108,081 at 6%; with 100% employer match about $121,592 at 4% or $81,061 at 6%.
2021131$5,299,137$293,589$9,471iApproximate average salary by contribution assumption: employee only about $236,765 at 4% or $157,844 at 6%; with 50% employer match about $157,844 at 4% or $105,229 at 6%; with 100% employer match about $118,383 at 4% or $78,922 at 6%.
On Site Gas Systems Inc-31$5,299,137$293,589$9,471iApproximate average salary by contribution assumption: employee only about $236,765 at 4% or $157,844 at 6%; with 50% employer match about $157,844 at 4% or $105,229 at 6%; with 100% employer match about $118,383 at 4% or $78,922 at 6%.
2020132$5,141,264$309,588$9,675iApproximate average salary by contribution assumption: employee only about $241,866 at 4% or $161,244 at 6%; with 50% employer match about $161,244 at 4% or $107,496 at 6%; with 100% employer match about $120,933 at 4% or $80,622 at 6%.
On Site Gas Systems Inc-32$5,141,264$309,588$9,675iApproximate average salary by contribution assumption: employee only about $241,866 at 4% or $161,244 at 6%; with 50% employer match about $161,244 at 4% or $107,496 at 6%; with 100% employer match about $120,933 at 4% or $80,622 at 6%.
2019132$4,039,099$271,450$8,483iApproximate average salary by contribution assumption: employee only about $212,070 at 4% or $141,380 at 6%; with 50% employer match about $141,380 at 4% or $94,253 at 6%; with 100% employer match about $106,035 at 4% or $70,690 at 6%.
On Site Gas Systems Inc-32$4,039,099$271,450$8,483iApproximate average salary by contribution assumption: employee only about $212,070 at 4% or $141,380 at 6%; with 50% employer match about $141,380 at 4% or $94,253 at 6%; with 100% employer match about $106,035 at 4% or $70,690 at 6%.
2018132$3,127,575$245,057$7,658iApproximate average salary by contribution assumption: employee only about $191,451 at 4% or $127,634 at 6%; with 50% employer match about $127,634 at 4% or $85,089 at 6%; with 100% employer match about $95,725 at 4% or $63,817 at 6%.
On Site Gas Systems Inc-32$3,127,575$245,057$7,658iApproximate average salary by contribution assumption: employee only about $191,451 at 4% or $127,634 at 6%; with 50% employer match about $127,634 at 4% or $85,089 at 6%; with 100% employer match about $95,725 at 4% or $63,817 at 6%.
2017132$3,231,426$209,135$6,535iApproximate average salary by contribution assumption: employee only about $163,387 at 4% or $108,924 at 6%; with 50% employer match about $108,924 at 4% or $72,616 at 6%; with 100% employer match about $81,693 at 4% or $54,462 at 6%.
On Site Gas Systems Inc-32$3,231,426$209,135$6,535iApproximate average salary by contribution assumption: employee only about $163,387 at 4% or $108,924 at 6%; with 50% employer match about $108,924 at 4% or $72,616 at 6%; with 100% employer match about $81,693 at 4% or $54,462 at 6%.
2016132$2,891,990$248,339$7,761iApproximate average salary by contribution assumption: employee only about $194,015 at 4% or $129,343 at 6%; with 50% employer match about $129,343 at 4% or $86,229 at 6%; with 100% employer match about $97,007 at 4% or $64,672 at 6%.
On Site Gas Systems Inc-32$2,891,990$248,339$7,761iApproximate average salary by contribution assumption: employee only about $194,015 at 4% or $129,343 at 6%; with 50% employer match about $129,343 at 4% or $86,229 at 6%; with 100% employer match about $97,007 at 4% or $64,672 at 6%.
2015136$2,639,718$308,043$8,557iApproximate average salary by contribution assumption: employee only about $213,919 at 4% or $142,613 at 6%; with 50% employer match about $142,613 at 4% or $95,075 at 6%; with 100% employer match about $106,959 at 4% or $71,306 at 6%.
On Site Gas Systems Inc-36$2,639,718$308,043$8,557iApproximate average salary by contribution assumption: employee only about $213,919 at 4% or $142,613 at 6%; with 50% employer match about $142,613 at 4% or $95,075 at 6%; with 100% employer match about $106,959 at 4% or $71,306 at 6%.
2014140$2,662,722$282,625$7,066iApproximate average salary by contribution assumption: employee only about $176,641 at 4% or $117,760 at 6%; with 50% employer match about $117,760 at 4% or $78,507 at 6%; with 100% employer match about $88,320 at 4% or $58,880 at 6%.
On Site Gas Systems Inc-40$2,662,722$282,625$7,066iApproximate average salary by contribution assumption: employee only about $176,641 at 4% or $117,760 at 6%; with 50% employer match about $117,760 at 4% or $78,507 at 6%; with 100% employer match about $88,320 at 4% or $58,880 at 6%.
2013141$2,547,468$267,743$6,530iApproximate average salary by contribution assumption: employee only about $163,258 at 4% or $108,839 at 6%; with 50% employer match about $108,839 at 4% or $72,559 at 6%; with 100% employer match about $81,629 at 4% or $54,419 at 6%.
On Site Gas Systems Inc-41$2,547,468$267,743$6,530iApproximate average salary by contribution assumption: employee only about $163,258 at 4% or $108,839 at 6%; with 50% employer match about $108,839 at 4% or $72,559 at 6%; with 100% employer match about $81,629 at 4% or $54,419 at 6%.
2012138$1,954,260$280,816$7,390iApproximate average salary by contribution assumption: employee only about $184,747 at 4% or $123,165 at 6%; with 50% employer match about $123,165 at 4% or $82,110 at 6%; with 100% employer match about $92,374 at 4% or $61,582 at 6%.
On Site Gas Systems Inc-38$1,954,260$280,816$7,390iApproximate average salary by contribution assumption: employee only about $184,747 at 4% or $123,165 at 6%; with 50% employer match about $123,165 at 4% or $82,110 at 6%; with 100% employer match about $92,374 at 4% or $61,582 at 6%.
2011139$1,690,346$298,893$7,664iApproximate average salary by contribution assumption: employee only about $191,598 at 4% or $127,732 at 6%; with 50% employer match about $127,732 at 4% or $85,155 at 6%; with 100% employer match about $95,799 at 4% or $63,866 at 6%.
On Site Gas Systems Inc-39$1,690,346$298,893$7,664iApproximate average salary by contribution assumption: employee only about $191,598 at 4% or $127,732 at 6%; with 50% employer match about $127,732 at 4% or $85,155 at 6%; with 100% employer match about $95,799 at 4% or $63,866 at 6%.
2010141$1,549,745$299,120$7,296iApproximate average salary by contribution assumption: employee only about $182,390 at 4% or $121,593 at 6%; with 50% employer match about $121,593 at 4% or $81,062 at 6%; with 100% employer match about $91,195 at 4% or $60,797 at 6%.
On Site Gas Systems Inc-41$1,549,745$299,120$7,296iApproximate average salary by contribution assumption: employee only about $182,390 at 4% or $121,593 at 6%; with 50% employer match about $121,593 at 4% or $81,062 at 6%; with 100% employer match about $91,195 at 4% or $60,797 at 6%.
2009142$1,096,198$311,408$7,414iApproximate average salary by contribution assumption: employee only about $185,362 at 4% or $123,575 at 6%; with 50% employer match about $123,575 at 4% or $82,383 at 6%; with 100% employer match about $92,681 at 4% or $61,787 at 6%.
On Site Gas Systems Inc-42$1,096,198$311,408$7,414iApproximate average salary by contribution assumption: employee only about $185,362 at 4% or $123,575 at 6%; with 50% employer match about $123,575 at 4% or $82,383 at 6%; with 100% employer match about $92,681 at 4% or $61,787 at 6%.
2008142$635,565$297,709$7,088iApproximate average salary by contribution assumption: employee only about $177,208 at 4% or $118,138 at 6%; with 50% employer match about $118,138 at 4% or $78,759 at 6%; with 100% employer match about $88,604 at 4% or $59,069 at 6%.
On Site Gas Systems Inc-42$635,565$297,709$7,088iApproximate average salary by contribution assumption: employee only about $177,208 at 4% or $118,138 at 6%; with 50% employer match about $118,138 at 4% or $78,759 at 6%; with 100% employer match about $88,604 at 4% or $59,069 at 6%.
2007137$566,357$352,165$9,518iApproximate average salary by contribution assumption: employee only about $237,949 at 4% or $158,633 at 6%; with 50% employer match about $158,633 at 4% or $105,755 at 6%; with 100% employer match about $118,975 at 4% or $79,316 at 6%.
On Site Gas Systems Inc-37$566,357$352,165$9,518iApproximate average salary by contribution assumption: employee only about $237,949 at 4% or $158,633 at 6%; with 50% employer match about $158,633 at 4% or $105,755 at 6%; with 100% employer match about $118,975 at 4% or $79,316 at 6%.
2006139$212,639$200,746$5,147iApproximate average salary by contribution assumption: employee only about $128,683 at 4% or $85,789 at 6%; with 50% employer match about $85,789 at 4% or $57,193 at 6%; with 100% employer match about $64,342 at 4% or $42,894 at 6%.
On Site Gas Systems Inc-39$212,639$200,746$5,147iApproximate average salary by contribution assumption: employee only about $128,683 at 4% or $85,789 at 6%; with 50% employer match about $85,789 at 4% or $57,193 at 6%; with 100% employer match about $64,342 at 4% or $42,894 at 6%.