One Gas, INC. 401(k) Plan

Form 5500 filing data for plan year 2025.

Plan Snapshot

  • Plan Sponsor: One Gas, INC.
  • Sponsor EIN: 463561936
  • Sponsor Address: P.O. BOX 21049, TULSA, OK, 74121
  • Plan Type: 401(k)
  • Plan Number: 002
  • Total Participants: 4,629
  • Total Assets: $1.0B

Key Plan Design Features

  • Auto-Enrollment: Yes
  • Auto-Escalation: No
  • Allows Roth Contributions: Yes
  • Participant Loans: No
  • Participant-Directed Investments: Yes
  • ERISA Section 404(c) Fiduciary Safe Harbor: Yes

Plan Financials by Year

YearParticipantsTotal AssetsEmployer Contrib.Employee Contrib.
20254,629$1.0B$0$0
20243,886$967.9M$30.6M$27.9M
20233,860$863.8M$30.8M$26.1M
20223,716$774.2M$28.1M$24.5M

Service Providers (Schedule C)

Vendors paid $5,000 or more for services to the plan, ranked by total compensation (direct + indirect fees).

Provider Name Role Direct Compensation Indirect Compensation Total Fees
FORVIS MAZARSAuditor——$0

Plan Fees & Expenses

Annual service provider fees and administrative expenses sourced from DOL Form 5500 filings.

  • Total Service Provider Fees: $0

Historical Administrative Expenses

Breakdown of administrative expense categories reported on Form 5500 filings.

Year Total Admin Expenses Investment Mgmt Fees Contract Admin Fees IQPA Audit Fees Professional Fees
2025$116,752,000————
2024—————
2023—————
2022—————

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