Civic Intelligence

Plymouth Materials Inc

Plan context: Plymouth Materials Inc 401(K) Plan

EIN 02-0593509 • Conshohocken, PA • 20 filings • 2 plans

1250 Conshohocken RdConshohocken, PA 19428-1031
Current Snapshot

Latest Year

2025

2025 Participants

3

2025 Assets

$599,390

2025 Contributions

$25,512

Historical Graphs

Total Assets Over Time

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

$599,390$299,695$0200620162025YearValue
$599,390Latest year 2025

Participants Over Time

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

1160200620162025YearValue
3Latest 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
202513$599,390$25,512$8,504iApproximate average salary by contribution assumption: employee only about $212,600 at 4% or $141,733 at 6%; with 50% employer match about $141,733 at 4% or $94,489 at 6%; with 100% employer match about $106,300 at 4% or $70,867 at 6%.
Plymouth Materials Inc 401(K) Plan-3$599,390$25,512$8,504iApproximate average salary by contribution assumption: employee only about $212,600 at 4% or $141,733 at 6%; with 50% employer match about $141,733 at 4% or $94,489 at 6%; with 100% employer match about $106,300 at 4% or $70,867 at 6%.
202413$518,356$22,194$7,398iApproximate average salary by contribution assumption: employee only about $184,950 at 4% or $123,300 at 6%; with 50% employer match about $123,300 at 4% or $82,200 at 6%; with 100% employer match about $92,475 at 4% or $61,650 at 6%.
Plymouth Materials Inc 401(K) Plan-3$518,356$22,194$7,398iApproximate average salary by contribution assumption: employee only about $184,950 at 4% or $123,300 at 6%; with 50% employer match about $123,300 at 4% or $82,200 at 6%; with 100% employer match about $92,475 at 4% or $61,650 at 6%.
202314$499,192$21,460$5,365iApproximate average salary by contribution assumption: employee only about $134,125 at 4% or $89,417 at 6%; with 50% employer match about $89,417 at 4% or $59,611 at 6%; with 100% employer match about $67,063 at 4% or $44,708 at 6%.
Plymouth Materials Inc 401(K) Plan-4$499,192$21,460$5,365iApproximate average salary by contribution assumption: employee only about $134,125 at 4% or $89,417 at 6%; with 50% employer match about $89,417 at 4% or $59,611 at 6%; with 100% employer match about $67,063 at 4% or $44,708 at 6%.
202214$422,182$20,615$5,154iApproximate average salary by contribution assumption: employee only about $128,844 at 4% or $85,896 at 6%; with 50% employer match about $85,896 at 4% or $57,264 at 6%; with 100% employer match about $64,422 at 4% or $42,948 at 6%.
Plymouth Materials Inc 401(K) Plan-4$422,182$20,615$5,154iApproximate average salary by contribution assumption: employee only about $128,844 at 4% or $85,896 at 6%; with 50% employer match about $85,896 at 4% or $57,264 at 6%; with 100% employer match about $64,422 at 4% or $42,948 at 6%.
202115$514,854$21,399$4,280iApproximate average salary by contribution assumption: employee only about $106,995 at 4% or $71,330 at 6%; with 50% employer match about $71,330 at 4% or $47,553 at 6%; with 100% employer match about $53,498 at 4% or $35,665 at 6%.
Plymouth Materials Inc 401(K) Plan-5$514,854$21,399$4,280iApproximate average salary by contribution assumption: employee only about $106,995 at 4% or $71,330 at 6%; with 50% employer match about $71,330 at 4% or $47,553 at 6%; with 100% employer match about $53,498 at 4% or $35,665 at 6%.
202015$411,040$14,000$2,800iApproximate average salary by contribution assumption: employee only about $70,000 at 4% or $46,667 at 6%; with 50% employer match about $46,667 at 4% or $31,111 at 6%; with 100% employer match about $35,000 at 4% or $23,333 at 6%.
Plymouth Materials Inc 401(K) Plan-5$411,040$14,000$2,800iApproximate average salary by contribution assumption: employee only about $70,000 at 4% or $46,667 at 6%; with 50% employer match about $46,667 at 4% or $31,111 at 6%; with 100% employer match about $35,000 at 4% or $23,333 at 6%.
201915$355,682$15,331$3,066iApproximate average salary by contribution assumption: employee only about $76,655 at 4% or $51,103 at 6%; with 50% employer match about $51,103 at 4% or $34,069 at 6%; with 100% employer match about $38,328 at 4% or $25,552 at 6%.
Plymouth Materials Inc 401(K) Plan-5$355,682$15,331$3,066iApproximate average salary by contribution assumption: employee only about $76,655 at 4% or $51,103 at 6%; with 50% employer match about $51,103 at 4% or $34,069 at 6%; with 100% employer match about $38,328 at 4% or $25,552 at 6%.
201815$278,955$16,758$3,352iApproximate average salary by contribution assumption: employee only about $83,790 at 4% or $55,860 at 6%; with 50% employer match about $55,860 at 4% or $37,240 at 6%; with 100% employer match about $41,895 at 4% or $27,930 at 6%.
Plymouth Materials Inc 401(K) Plan-5$278,955$16,758$3,352iApproximate average salary by contribution assumption: employee only about $83,790 at 4% or $55,860 at 6%; with 50% employer match about $55,860 at 4% or $37,240 at 6%; with 100% employer match about $41,895 at 4% or $27,930 at 6%.
201715$294,478$13,083$2,617iApproximate average salary by contribution assumption: employee only about $65,415 at 4% or $43,610 at 6%; with 50% employer match about $43,610 at 4% or $29,073 at 6%; with 100% employer match about $32,708 at 4% or $21,805 at 6%.
Plymouth Materials Inc 401(K) Plan-5$294,478$13,083$2,617iApproximate average salary by contribution assumption: employee only about $65,415 at 4% or $43,610 at 6%; with 50% employer match about $43,610 at 4% or $29,073 at 6%; with 100% employer match about $32,708 at 4% or $21,805 at 6%.
201615$243,038$12,023$2,405iApproximate average salary by contribution assumption: employee only about $60,115 at 4% or $40,077 at 6%; with 50% employer match about $40,077 at 4% or $26,718 at 6%; with 100% employer match about $30,058 at 4% or $20,038 at 6%.
Plymouth Materials Inc 401(K) Plan-5$243,038$12,023$2,405iApproximate average salary by contribution assumption: employee only about $60,115 at 4% or $40,077 at 6%; with 50% employer match about $40,077 at 4% or $26,718 at 6%; with 100% employer match about $30,058 at 4% or $20,038 at 6%.
201516$241,595$15,911$2,652iApproximate average salary by contribution assumption: employee only about $66,296 at 4% or $44,197 at 6%; with 50% employer match about $44,197 at 4% or $29,465 at 6%; with 100% employer match about $33,148 at 4% or $22,099 at 6%.
Plymouth Materials Inc 401(K) Plan-6$241,595$15,911$2,652iApproximate average salary by contribution assumption: employee only about $66,296 at 4% or $44,197 at 6%; with 50% employer match about $44,197 at 4% or $29,465 at 6%; with 100% employer match about $33,148 at 4% or $22,099 at 6%.
201416$234,486$18,946$3,158iApproximate average salary by contribution assumption: employee only about $78,942 at 4% or $52,628 at 6%; with 50% employer match about $52,628 at 4% or $35,085 at 6%; with 100% employer match about $39,471 at 4% or $26,314 at 6%.
Plymouth Materials Inc 401(K) Plan-6$234,486$18,946$3,158iApproximate average salary by contribution assumption: employee only about $78,942 at 4% or $52,628 at 6%; with 50% employer match about $52,628 at 4% or $35,085 at 6%; with 100% employer match about $39,471 at 4% or $26,314 at 6%.
201316$212,577$28,976$4,829iApproximate average salary by contribution assumption: employee only about $120,733 at 4% or $80,489 at 6%; with 50% employer match about $80,489 at 4% or $53,659 at 6%; with 100% employer match about $60,367 at 4% or $40,244 at 6%.
Plymouth Materials Inc 401(K) Plan-6$212,577$28,976$4,829iApproximate average salary by contribution assumption: employee only about $120,733 at 4% or $80,489 at 6%; with 50% employer match about $80,489 at 4% or $53,659 at 6%; with 100% employer match about $60,367 at 4% or $40,244 at 6%.
201216$140,954$29,167$4,861iApproximate average salary by contribution assumption: employee only about $121,529 at 4% or $81,019 at 6%; with 50% employer match about $81,019 at 4% or $54,013 at 6%; with 100% employer match about $60,765 at 4% or $40,510 at 6%.
Plymouth Materials Inc 401(K) Plan-6$140,954$29,167$4,861iApproximate average salary by contribution assumption: employee only about $121,529 at 4% or $81,019 at 6%; with 50% employer match about $81,019 at 4% or $54,013 at 6%; with 100% employer match about $60,765 at 4% or $40,510 at 6%.
201116$98,458$19,354$3,226iApproximate average salary by contribution assumption: employee only about $80,642 at 4% or $53,761 at 6%; with 50% employer match about $53,761 at 4% or $35,841 at 6%; with 100% employer match about $40,321 at 4% or $26,881 at 6%.
Plymouth Materials Inc 401(K) Plan-6$98,458$19,354$3,226iApproximate average salary by contribution assumption: employee only about $80,642 at 4% or $53,761 at 6%; with 50% employer match about $53,761 at 4% or $35,841 at 6%; with 100% employer match about $40,321 at 4% or $26,881 at 6%.
201016$86,711$21,043$3,507iApproximate average salary by contribution assumption: employee only about $87,679 at 4% or $58,453 at 6%; with 50% employer match about $58,453 at 4% or $38,969 at 6%; with 100% employer match about $43,840 at 4% or $29,226 at 6%.
Plymouth Materials Inc 401(K) Plan-6$86,711$21,043$3,507iApproximate average salary by contribution assumption: employee only about $87,679 at 4% or $58,453 at 6%; with 50% employer match about $58,453 at 4% or $38,969 at 6%; with 100% employer match about $43,840 at 4% or $29,226 at 6%.
200915$56,834$16,177$3,235iApproximate average salary by contribution assumption: employee only about $80,885 at 4% or $53,923 at 6%; with 50% employer match about $53,923 at 4% or $35,949 at 6%; with 100% employer match about $40,443 at 4% or $26,962 at 6%.
Plymouth Materials Inc 401(K) Plan-5$56,834$16,177$3,235iApproximate average salary by contribution assumption: employee only about $80,885 at 4% or $53,923 at 6%; with 50% employer match about $53,923 at 4% or $35,949 at 6%; with 100% employer match about $40,443 at 4% or $26,962 at 6%.
200818$30,952$25,444$3,181iApproximate average salary by contribution assumption: employee only about $79,513 at 4% or $53,008 at 6%; with 50% employer match about $53,008 at 4% or $35,339 at 6%; with 100% employer match about $39,756 at 4% or $26,504 at 6%.
Plymouth Materials Inc 401(K) Plan-8$30,952$25,444$3,181iApproximate average salary by contribution assumption: employee only about $79,513 at 4% or $53,008 at 6%; with 50% employer match about $53,008 at 4% or $35,339 at 6%; with 100% employer match about $39,756 at 4% or $26,504 at 6%.
200718$36,490$34,961$4,370iApproximate average salary by contribution assumption: employee only about $109,253 at 4% or $72,835 at 6%; with 50% employer match about $72,835 at 4% or $48,557 at 6%; with 100% employer match about $54,627 at 4% or $36,418 at 6%.
Plymouth Materials Inc 401(K) Plan-8$36,490$34,961$4,370iApproximate average salary by contribution assumption: employee only about $109,253 at 4% or $72,835 at 6%; with 50% employer match about $72,835 at 4% or $48,557 at 6%; with 100% employer match about $54,627 at 4% or $36,418 at 6%.
2006111$6,005$5,850$532iApproximate average salary by contribution assumption: employee only about $13,295 at 4% or $8,864 at 6%; with 50% employer match about $8,864 at 4% or $5,909 at 6%; with 100% employer match about $6,648 at 4% or $4,432 at 6%.
Plymouth Materials Inc 401(K) Plan-11$6,005$5,850$532iApproximate average salary by contribution assumption: employee only about $13,295 at 4% or $8,864 at 6%; with 50% employer match about $8,864 at 4% or $5,909 at 6%; with 100% employer match about $6,648 at 4% or $4,432 at 6%.