Civic Intelligence

Sigma Thermal Inc.

Plan context: Sigma Thermal Inc. 401(K) Profit Sharing Plan

EIN 20-8174832 • Marietta, GA • 18 filings • 5 plans

4875 Deen RdMarietta, GA 30066-1065
Current Snapshot

Latest Year

2025

2025 Participants

96

2025 Assets

$18,605,704

2025 Contributions

$834,789

Historical Graphs

Total Assets Over Time

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

$18,605,704$9,302,852$0200820162025YearValue
$18,605,704Latest year 2025

Participants Over Time

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

122610200720152025YearValue
96Latest 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
2025196$18,605,704$834,789$8,696iApproximate average salary by contribution assumption: employee only about $217,393 at 4% or $144,929 at 6%; with 50% employer match about $144,929 at 4% or $96,619 at 6%; with 100% employer match about $108,696 at 4% or $72,464 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-96$18,605,704$834,789$8,696iApproximate average salary by contribution assumption: employee only about $217,393 at 4% or $144,929 at 6%; with 50% employer match about $144,929 at 4% or $96,619 at 6%; with 100% employer match about $108,696 at 4% or $72,464 at 6%.
2024194$15,828,892$815,795$8,679iApproximate average salary by contribution assumption: employee only about $216,967 at 4% or $144,645 at 6%; with 50% employer match about $144,645 at 4% or $96,430 at 6%; with 100% employer match about $108,483 at 4% or $72,322 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-94$15,828,892$815,795$8,679iApproximate average salary by contribution assumption: employee only about $216,967 at 4% or $144,645 at 6%; with 50% employer match about $144,645 at 4% or $96,430 at 6%; with 100% employer match about $108,483 at 4% or $72,322 at 6%.
2023199$13,559,143$718,802$7,261iApproximate average salary by contribution assumption: employee only about $181,516 at 4% or $121,010 at 6%; with 50% employer match about $121,010 at 4% or $80,674 at 6%; with 100% employer match about $90,758 at 4% or $60,505 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-99$13,559,143$718,802$7,261iApproximate average salary by contribution assumption: employee only about $181,516 at 4% or $121,010 at 6%; with 50% employer match about $121,010 at 4% or $80,674 at 6%; with 100% employer match about $90,758 at 4% or $60,505 at 6%.
2022197$11,229,397$653,511$6,737iApproximate average salary by contribution assumption: employee only about $168,431 at 4% or $112,287 at 6%; with 50% employer match about $112,287 at 4% or $74,858 at 6%; with 100% employer match about $84,215 at 4% or $56,144 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-97$11,229,397$653,511$6,737iApproximate average salary by contribution assumption: employee only about $168,431 at 4% or $112,287 at 6%; with 50% employer match about $112,287 at 4% or $74,858 at 6%; with 100% employer match about $84,215 at 4% or $56,144 at 6%.
2021198$12,249,325$618,134$6,307iApproximate average salary by contribution assumption: employee only about $157,687 at 4% or $105,125 at 6%; with 50% employer match about $105,125 at 4% or $70,083 at 6%; with 100% employer match about $78,844 at 4% or $52,562 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-98$12,249,325$618,134$6,307iApproximate average salary by contribution assumption: employee only about $157,687 at 4% or $105,125 at 6%; with 50% employer match about $105,125 at 4% or $70,083 at 6%; with 100% employer match about $78,844 at 4% or $52,562 at 6%.
2018186$6,983,472$599,406$6,970iApproximate average salary by contribution assumption: employee only about $174,246 at 4% or $116,164 at 6%; with 50% employer match about $116,164 at 4% or $77,443 at 6%; with 100% employer match about $87,123 at 4% or $58,082 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-86$6,983,472$599,406$6,970iApproximate average salary by contribution assumption: employee only about $174,246 at 4% or $116,164 at 6%; with 50% employer match about $116,164 at 4% or $77,443 at 6%; with 100% employer match about $87,123 at 4% or $58,082 at 6%.
20172122$6,667,646$712,594$5,841iApproximate average salary by contribution assumption: employee only about $146,023 at 4% or $97,349 at 6%; with 50% employer match about $97,349 at 4% or $64,899 at 6%; with 100% employer match about $73,012 at 4% or $48,674 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-84$6,667,646$712,594$8,483iApproximate average salary by contribution assumption: employee only about $212,082 at 4% or $141,388 at 6%; with 50% employer match about $141,388 at 4% or $94,258 at 6%; with 100% employer match about $106,041 at 4% or $70,694 at 6%.
SIGMA THERMAL, INC. WELFARE BENEFITS PLAN-122---
2016175$5,392,054$677,857$9,038iApproximate average salary by contribution assumption: employee only about $225,952 at 4% or $150,635 at 6%; with 50% employer match about $150,635 at 4% or $100,423 at 6%; with 100% employer match about $112,976 at 4% or $75,317 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-75$5,392,054$677,857$9,038iApproximate average salary by contribution assumption: employee only about $225,952 at 4% or $150,635 at 6%; with 50% employer match about $150,635 at 4% or $100,423 at 6%; with 100% employer match about $112,976 at 4% or $75,317 at 6%.
2015159$4,270,331$603,793$10,234iApproximate average salary by contribution assumption: employee only about $255,844 at 4% or $170,563 at 6%; with 50% employer match about $170,563 at 4% or $113,709 at 6%; with 100% employer match about $127,922 at 4% or $85,281 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-59$4,270,331$603,793$10,234iApproximate average salary by contribution assumption: employee only about $255,844 at 4% or $170,563 at 6%; with 50% employer match about $170,563 at 4% or $113,709 at 6%; with 100% employer match about $127,922 at 4% or $85,281 at 6%.
2014147$3,722,341$562,070$11,959iApproximate average salary by contribution assumption: employee only about $298,973 at 4% or $199,316 at 6%; with 50% employer match about $199,316 at 4% or $132,877 at 6%; with 100% employer match about $149,487 at 4% or $99,658 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-47$3,722,341$562,070$11,959iApproximate average salary by contribution assumption: employee only about $298,973 at 4% or $199,316 at 6%; with 50% employer match about $199,316 at 4% or $132,877 at 6%; with 100% employer match about $149,487 at 4% or $99,658 at 6%.
2013138$2,876,614$460,618$12,122iApproximate average salary by contribution assumption: employee only about $303,038 at 4% or $202,025 at 6%; with 50% employer match about $202,025 at 4% or $134,684 at 6%; with 100% employer match about $151,519 at 4% or $101,013 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-38$2,876,614$460,618$12,122iApproximate average salary by contribution assumption: employee only about $303,038 at 4% or $202,025 at 6%; with 50% employer match about $202,025 at 4% or $134,684 at 6%; with 100% employer match about $151,519 at 4% or $101,013 at 6%.
2012133$2,096,109$405,690$12,294iApproximate average salary by contribution assumption: employee only about $307,341 at 4% or $204,894 at 6%; with 50% employer match about $204,894 at 4% or $136,596 at 6%; with 100% employer match about $153,670 at 4% or $102,447 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-33$2,096,109$405,690$12,294iApproximate average salary by contribution assumption: employee only about $307,341 at 4% or $204,894 at 6%; with 50% employer match about $204,894 at 4% or $136,596 at 6%; with 100% employer match about $153,670 at 4% or $102,447 at 6%.
2011126$1,522,184$373,111$14,350iApproximate average salary by contribution assumption: employee only about $358,761 at 4% or $239,174 at 6%; with 50% employer match about $239,174 at 4% or $159,449 at 6%; with 100% employer match about $179,380 at 4% or $119,587 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-26$1,522,184$373,111$14,350iApproximate average salary by contribution assumption: employee only about $358,761 at 4% or $239,174 at 6%; with 50% employer match about $239,174 at 4% or $159,449 at 6%; with 100% employer match about $179,380 at 4% or $119,587 at 6%.
2010121$1,180,564$354,496$16,881iApproximate average salary by contribution assumption: employee only about $422,019 at 4% or $281,346 at 6%; with 50% employer match about $281,346 at 4% or $187,564 at 6%; with 100% employer match about $211,010 at 4% or $140,673 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-21$1,180,564$354,496$16,881iApproximate average salary by contribution assumption: employee only about $422,019 at 4% or $281,346 at 6%; with 50% employer match about $281,346 at 4% or $187,564 at 6%; with 100% employer match about $211,010 at 4% or $140,673 at 6%.
2009118$718,860$317,783$17,655iApproximate average salary by contribution assumption: employee only about $441,365 at 4% or $294,244 at 6%; with 50% employer match about $294,244 at 4% or $196,162 at 6%; with 100% employer match about $220,683 at 4% or $147,122 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-18$718,860$317,783$17,655iApproximate average salary by contribution assumption: employee only about $441,365 at 4% or $294,244 at 6%; with 50% employer match about $294,244 at 4% or $196,162 at 6%; with 100% employer match about $220,683 at 4% or $147,122 at 6%.
2008111$329,186$229,051$20,823iApproximate average salary by contribution assumption: employee only about $520,570 at 4% or $347,047 at 6%; with 50% employer match about $347,047 at 4% or $231,365 at 6%; with 100% employer match about $260,285 at 4% or $173,523 at 6%.
Sigma Thermal Inc. 401(K) Profit Sharing Plan-11$329,186$229,051$20,823iApproximate average salary by contribution assumption: employee only about $520,570 at 4% or $347,047 at 6%; with 50% employer match about $347,047 at 4% or $231,365 at 6%; with 100% employer match about $260,285 at 4% or $173,523 at 6%.
200715$0$0-
Sigma Thermal Inc. 401(K) Profit Sharing Plan-5---