Civic Intelligence

CENTRAL STONE COMPANY

Plan context: Central Stone Retirement Savings Plan

EIN 36-1489597 • Davenport, IA • 132 filings • 14 plans

4640 E. 56th StreetDavenport, IA 52807
Current Snapshot

Latest Year

2024

2024 Participants

491

2024 Assets

$5,978,572

2024 Contributions

$1,087,418

Historical Graphs

Total Assets Over Time

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

$5,978,572$2,989,286$0200520152024YearValue
$5,978,572Latest year 2024

Participants Over Time

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

7733870200020122024YearValue
491Latest year 2024

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
20246491$5,978,572$1,087,418$2,215iApproximate average salary by contribution assumption: employee only about $55,368 at 4% or $36,912 at 6%; with 50% employer match about $36,912 at 4% or $24,608 at 6%; with 100% employer match about $27,684 at 4% or $18,456 at 6%.
Central Stone Retirement Savings Plan-72$5,978,572$1,087,418$15,103iApproximate average salary by contribution assumption: employee only about $377,576 at 4% or $251,717 at 6%; with 50% employer match about $251,717 at 4% or $167,811 at 6%; with 100% employer match about $188,788 at 4% or $125,859 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-399---
Riverstone Group Inc. & Affiliates Group Life Insurance-491---
Riverstone Group Inc. & Affiliates Group Health Plan-342---
Riverstone Group Inc. & Affiliates Long Term Disability-105---
Riverstone Group Inc. & Affiliates Vision Care Plan-460---
20236729$4,452,221$1,028,253$1,410iApproximate average salary by contribution assumption: employee only about $35,262 at 4% or $23,508 at 6%; with 50% employer match about $23,508 at 4% or $15,672 at 6%; with 100% employer match about $17,631 at 4% or $11,754 at 6%.
Central Stone Retirement Savings Plan-66$4,452,221$1,028,253$15,580iApproximate average salary by contribution assumption: employee only about $389,490 at 4% or $259,660 at 6%; with 50% employer match about $259,660 at 4% or $173,107 at 6%; with 100% employer match about $194,745 at 4% or $129,830 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-729---
Riverstone Group Inc. & Affiliates Group Health Plan-319---
Riverstone Group Inc. & Affiliates Long Term Disability-103---
Riverstone Group Inc. & Affiliates Vision Care Plan-455---
Riverstone Group Inc. & Affiliates Short Term Disability-390---
20226724$3,283,585$374,496$517iApproximate average salary by contribution assumption: employee only about $12,931 at 4% or $8,621 at 6%; with 50% employer match about $8,621 at 4% or $5,747 at 6%; with 100% employer match about $6,466 at 4% or $4,310 at 6%.
Central Stone Retirement Savings Plan-39$3,283,585$374,496$9,602iApproximate average salary by contribution assumption: employee only about $240,062 at 4% or $160,041 at 6%; with 50% employer match about $160,041 at 4% or $106,694 at 6%; with 100% employer match about $120,031 at 4% or $80,021 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-332---
Riverstone Group Inc. & Affiliates Group Life Insurance-724---
Riverstone Group Inc. & Affiliates Long Term Disability-88---
Riverstone Group Inc. & Affiliates Vision Care Plan-434---
Riverstone Group Inc. & Affiliates Group Health Plan-325---
20216718$3,953,111$335,448$467iApproximate average salary by contribution assumption: employee only about $11,680 at 4% or $7,787 at 6%; with 50% employer match about $7,787 at 4% or $5,191 at 6%; with 100% employer match about $5,840 at 4% or $3,893 at 6%.
Central Stone Retirement Savings Plan-35$3,953,111$335,448$9,584iApproximate average salary by contribution assumption: employee only about $239,606 at 4% or $159,737 at 6%; with 50% employer match about $159,737 at 4% or $106,491 at 6%; with 100% employer match about $119,803 at 4% or $79,869 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-718---
Riverstone Group Inc. & Affiliates Group Health Plan-348---
Riverstone Group Inc. & Affiliates Long Term Disability-95---
Riverstone Group Inc. & Affiliates Short Term Disability-360---
Riverstone Group Inc. & Affiliates Vision Care Plan-444---
20206661$3,853,043$331,667$502iApproximate average salary by contribution assumption: employee only about $12,544 at 4% or $8,363 at 6%; with 50% employer match about $8,363 at 4% or $5,575 at 6%; with 100% employer match about $6,272 at 4% or $4,181 at 6%.
Central Stone Retirement Savings Plan-35$3,853,043$331,667$9,476iApproximate average salary by contribution assumption: employee only about $236,905 at 4% or $157,937 at 6%; with 50% employer match about $157,937 at 4% or $105,291 at 6%; with 100% employer match about $118,453 at 4% or $78,968 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-345---
Riverstone Group Inc. & Affiliates Vision Care Plan-449---
Riverstone Group Inc. & Affiliates Group Health Plan-345---
Riverstone Group Inc. & Affiliates Long Term Disability-92---
Riverstone Group Inc. & Affiliates Group Life Insurance-661---
20196655$3,066,324$287,290$439iApproximate average salary by contribution assumption: employee only about $10,965 at 4% or $7,310 at 6%; with 50% employer match about $7,310 at 4% or $4,873 at 6%; with 100% employer match about $5,483 at 4% or $3,655 at 6%.
Central Stone Retirement Savings Plan-30$3,066,324$287,290$9,576iApproximate average salary by contribution assumption: employee only about $239,408 at 4% or $159,606 at 6%; with 50% employer match about $159,606 at 4% or $106,404 at 6%; with 100% employer match about $119,704 at 4% or $79,803 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-655---
Riverstone Group Inc. & Affiliates Long Term Disability-92---
Riverstone Group Inc. & Affiliates Group Health Plan-349---
Riverstone Group Inc. & Affiliates Short Term Disability-340---
Riverstone Group Inc. & Affiliates Vision Care Plan-425---
20186612$2,388,075$254,016$415iApproximate average salary by contribution assumption: employee only about $10,376 at 4% or $6,918 at 6%; with 50% employer match about $6,918 at 4% or $4,612 at 6%; with 100% employer match about $5,188 at 4% or $3,459 at 6%.
Central Stone Retirement Savings Plan-28$2,388,075$254,016$9,072iApproximate average salary by contribution assumption: employee only about $226,800 at 4% or $151,200 at 6%; with 50% employer match about $151,200 at 4% or $100,800 at 6%; with 100% employer match about $113,400 at 4% or $75,600 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-612---
Riverstone Group Inc. & Affiliates Vision Care Plan-353---
Riverstone Group Inc. & Affiliates Short Term Disability-356---
Riverstone Group Inc. & Affiliates Long Term Disability-85---
Riverstone Group Inc. & Affiliates Group Health Plan-326---
20176773$2,444,184$253,580$328iApproximate average salary by contribution assumption: employee only about $8,201 at 4% or $5,467 at 6%; with 50% employer match about $5,467 at 4% or $3,645 at 6%; with 100% employer match about $4,101 at 4% or $2,734 at 6%.
Central Stone Retirement Savings Plan-30$2,444,184$253,580$8,453iApproximate average salary by contribution assumption: employee only about $211,317 at 4% or $140,878 at 6%; with 50% employer match about $140,878 at 4% or $93,919 at 6%; with 100% employer match about $105,658 at 4% or $70,439 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-354---
Riverstone Group Inc. & Affiliates Long Term Disability-86---
Riverstone Group Inc. & Affiliates Group Life Insurance-773---
Riverstone Group Inc. & Affiliates Vision Care Plan-378---
Riverstone Group Inc. & Affiliates Group Health Plan-324---
20166731$1,920,935$207,994$285iApproximate average salary by contribution assumption: employee only about $7,113 at 4% or $4,742 at 6%; with 50% employer match about $4,742 at 4% or $3,161 at 6%; with 100% employer match about $3,557 at 4% or $2,371 at 6%.
Central Stone Retirement Savings Plan-28$1,920,935$207,994$7,428iApproximate average salary by contribution assumption: employee only about $185,709 at 4% or $123,806 at 6%; with 50% employer match about $123,806 at 4% or $82,537 at 6%; with 100% employer match about $92,854 at 4% or $61,903 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-319---
Riverstone Group Inc. & Affiliates Vision Care Plan-342---
Riverstone Group Inc. & Affiliates Long Term Disability-225---
Riverstone Group Inc. & Affiliates Group Life Insurance-731---
Riverstone Group Inc. & Affiliates Group Health Plan-319---
20156608$1,776,296$177,424$292iApproximate average salary by contribution assumption: employee only about $7,295 at 4% or $4,864 at 6%; with 50% employer match about $4,864 at 4% or $3,242 at 6%; with 100% employer match about $3,648 at 4% or $2,432 at 6%.
Central Stone Retirement Savings Plan-27$1,776,296$177,424$6,571iApproximate average salary by contribution assumption: employee only about $164,281 at 4% or $109,521 at 6%; with 50% employer match about $109,521 at 4% or $73,014 at 6%; with 100% employer match about $82,141 at 4% or $54,760 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-307---
Riverstone Group Inc. & Affiliates Long Term Disability-212---
Riverstone Group Inc. & Affiliates Vision Care Plan-321---
Riverstone Group Inc. & Affiliates Group Health Plan-307---
Riverstone Group Inc. & Affiliates Group Life Insurance-608---
20146685$1,794,558$154,052$225iApproximate average salary by contribution assumption: employee only about $5,622 at 4% or $3,748 at 6%; with 50% employer match about $3,748 at 4% or $2,499 at 6%; with 100% employer match about $2,811 at 4% or $1,874 at 6%.
Central Stone Retirement Savings Plan-24$1,794,558$154,052$6,419iApproximate average salary by contribution assumption: employee only about $160,471 at 4% or $106,981 at 6%; with 50% employer match about $106,981 at 4% or $71,320 at 6%; with 100% employer match about $80,235 at 4% or $53,490 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-685---
Riverstone Group Inc. & Affiliates Long Term Disability-209---
Riverstone Group Inc. & Affiliates Vision Care Plan-240---
Riverstone Group Inc. & Affiliates Short Term Disability-277---
Riverstone Group Inc. & Affiliates Group Health Plan-277---
20136598$1,882,074$183,724$307iApproximate average salary by contribution assumption: employee only about $7,681 at 4% or $5,121 at 6%; with 50% employer match about $5,121 at 4% or $3,414 at 6%; with 100% employer match about $3,840 at 4% or $2,560 at 6%.
Central Stone Retirement Savings Plan-28$1,882,074$183,724$6,562iApproximate average salary by contribution assumption: employee only about $164,039 at 4% or $109,360 at 6%; with 50% employer match about $109,360 at 4% or $72,906 at 6%; with 100% employer match about $82,020 at 4% or $54,680 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-263---
Riverstone Group Inc. & Affiliates Group Health Plan-263---
Riverstone Group Inc. & Affiliates Group Life Insurance-598---
Riverstone Group Inc. & Affiliates Long Term Disability-211---
Riverstone Group Inc. & Affiliates Vision Care Plan-202---
20125602$1,638,108$204,247$339iApproximate average salary by contribution assumption: employee only about $8,482 at 4% or $5,655 at 6%; with 50% employer match about $5,655 at 4% or $3,770 at 6%; with 100% employer match about $4,241 at 4% or $2,827 at 6%.
Central Stone Retirement Savings Plan-30$1,638,108$204,247$6,808iApproximate average salary by contribution assumption: employee only about $170,206 at 4% or $113,471 at 6%; with 50% employer match about $113,471 at 4% or $75,647 at 6%; with 100% employer match about $85,103 at 4% or $56,735 at 6%.
Riverstone Group Inc. & Affiliates Group Health Plan-247---
Riverstone Group Inc. & Affiliates Group Life Insurance-602---
Riverstone Group Inc. & Affiliates Long Term Disability-86---
Riverstone Group Inc. & Affiliates Short Term Disability-247---
20115553$1,310,655$211,417$382iApproximate average salary by contribution assumption: employee only about $9,558 at 4% or $6,372 at 6%; with 50% employer match about $6,372 at 4% or $4,248 at 6%; with 100% employer match about $4,779 at 4% or $3,186 at 6%.
Central Stone Retirement Savings Plan-31$1,310,655$211,417$6,820iApproximate average salary by contribution assumption: employee only about $170,498 at 4% or $113,665 at 6%; with 50% employer match about $113,665 at 4% or $75,777 at 6%; with 100% employer match about $85,249 at 4% or $56,833 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-264---
Riverstone Group Inc. & Affiliates Group Life Insurance-553---
Riverstone Group Inc. & Affiliates Group Health Plan-264---
Riverstone Group Inc. & Affiliates Long Term Disability-79---
20105645$1,256,587$229,860$356iApproximate average salary by contribution assumption: employee only about $8,909 at 4% or $5,940 at 6%; with 50% employer match about $5,940 at 4% or $3,960 at 6%; with 100% employer match about $4,455 at 4% or $2,970 at 6%.
Central Stone Retirement Savings Plan-34$1,256,587$229,860$6,761iApproximate average salary by contribution assumption: employee only about $169,015 at 4% or $112,676 at 6%; with 50% employer match about $112,676 at 4% or $75,118 at 6%; with 100% employer match about $84,507 at 4% or $56,338 at 6%.
Riverstone Group Inc. & Affiliates Group Life Insurance-645---
Riverstone Group Inc. & Affiliates Group Health Plan-274---
Riverstone Group Inc. & Affiliates Short Term Disability-274---
Riverstone Group Inc. & Affiliates Long Term Disability-80---
20095635$917,356$225,232$355iApproximate average salary by contribution assumption: employee only about $8,867 at 4% or $5,912 at 6%; with 50% employer match about $5,912 at 4% or $3,941 at 6%; with 100% employer match about $4,434 at 4% or $2,956 at 6%.
Central Stone Retirement Savings Plan-34$917,356$225,232$6,624iApproximate average salary by contribution assumption: employee only about $165,612 at 4% or $110,408 at 6%; with 50% employer match about $110,408 at 4% or $73,605 at 6%; with 100% employer match about $82,806 at 4% or $55,204 at 6%.
Riverstone Group Inc. & Affiliates Long Term Disability-635---
Riverstone Group Inc. & Affiliates Group Life Insurance-635---
Riverstone Group Inc. & Affiliates Short Term Disability-266---
Riverstone Group Inc. & Affiliates Group Health Plan-266---
20085619$627,697$223,447$361iApproximate average salary by contribution assumption: employee only about $9,025 at 4% or $6,016 at 6%; with 50% employer match about $6,016 at 4% or $4,011 at 6%; with 100% employer match about $4,512 at 4% or $3,008 at 6%.
Central Stone Retirement Savings Plan-0$627,697$223,447-
Riverstone Group Inc. & Affiliates Short Term Disability-261---
Riverstone Group Inc. & Affiliates Group Life Insurance-619---
Riverstone Group Inc. & Affiliates Group Health Plan-261---
Riverstone Group Inc. & Affiliates Long Term Disability-619---
20075616$0$0-
Riverstone Group Inc. & Affiliates Short Term Disability-261---
Riverstone Group Inc. & Affiliates Group Health Plan-261---
Riverstone Group Inc. & Affiliates Long Term Disability-616---
Riverstone Group Inc. & Affiliates Group Life Insurance-616---
Central Stone Retirement Savings Plan-0---
20065739$371,280$205,743$278iApproximate average salary by contribution assumption: employee only about $6,960 at 4% or $4,640 at 6%; with 50% employer match about $4,640 at 4% or $3,093 at 6%; with 100% employer match about $3,480 at 4% or $2,320 at 6%.
Central Stone Retirement Savings Plan-30$371,280$205,743$6,858iApproximate average salary by contribution assumption: employee only about $171,453 at 4% or $114,302 at 6%; with 50% employer match about $114,302 at 4% or $76,201 at 6%; with 100% employer match about $85,726 at 4% or $57,151 at 6%.
Riverstone Group Inc. & Affiliates Short Term Disability-263---
Riverstone Group Inc. & Affiliates Long Term Disability-75---
Riverstone Group Inc. & Affiliates Group Life Insurance-739---
Riverstone Group Inc. & Affiliates Group Health Plan-263---
20055528$170,994$167,554$317iApproximate average salary by contribution assumption: employee only about $7,933 at 4% or $5,289 at 6%; with 50% employer match about $5,289 at 4% or $3,526 at 6%; with 100% employer match about $3,967 at 4% or $2,644 at 6%.
Central Stone Retirement Savings Plan-39$170,994$167,554$4,296iApproximate average salary by contribution assumption: employee only about $107,406 at 4% or $71,604 at 6%; with 50% employer match about $71,604 at 4% or $47,736 at 6%; with 100% employer match about $53,703 at 4% or $35,802 at 6%.
Riverstone Group Inc. & Affiliates Group Health Plan-260---
Riverstone Group Inc. & Affiliates Long Term Disability-74---
Riverstone Group Inc. & Affiliates Short Term Disability-260---
Riverstone Group Inc. & Affiliates Group Life Insurance-528---
20044533$0$0-
Riverstone Group Inc. & Affiliates Group Health Plan-272---
Riverstone Group Inc. & Affiliates Group Life Insurance-533---
Riverstone Group Inc. & Affiliates Short Term Disability-272---
Riverstone Group Inc. & Affiliates Long Term Disability-78---
20034317$0$0-
Riverstone Group Inc. & Affiliates Group Health Plan-273---
Riverstone Group Inc. & Affiliates Short Term Disability-317---
Riverstone Group Inc. & Affiliates Long Term Disability-82---
Riverstone Group Inc. & Affiliates Group Life Insurance-317---
20024330$0$0-
20014310$0$0-
20004304$0$0-