# QUESTAR GAS CO

QUESTAR GAS CO is a company headquartered in Salt Lake City, UT, United States.

## Company overview

- **Legal name:** QUESTAR GAS CO
- **Former names in filing history:** MOUNTAIN FUEL SUPPLY CO (1994-01-14 to 1998-01-09)
- **Classification:** Company
- **Industry (SIC):** 4924 — Natural Gas Distribution
- **Headquarters:** Salt Lake City, UT, United States
- **Incorporated in:** UT
- **Fiscal year end:** December 31
- **SEC CIK:** 0000068589

## About

QUESTAR GAS CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000068589, and its reported industry is Natural Gas Distribution. In 10-K filed on 2018-02-27, it reported annual revenue of USD 947,000,000; net income of USD 67,500,000; total assets of USD 2,697,800,000 for the fiscal period ended 2017-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2017 (period ended 2017-12-31)

- **Revenue:** $947.0M (USD 947,000,000)
- **Net income:** $67.5M (USD 67,500,000)
- **Total assets:** $2.7B (USD 2,697,800,000)
- **Cash and equivalents:** $6.7M (USD 6,700,000)

### FY2016 (period ended 2016-12-31)

- **Revenue:** $921.3M (USD 921,300,000)
- **Net income:** $57.2M (USD 57,200,000)
- **Total assets:** $2.5B (USD 2,517,000,000)
- **Cash and equivalents:** $7.6M (USD 7,600,000)
- **Operating cash flow:** $201.1M (USD 201,100,000)
- **Later filings:** Total assets: shown as originally filed; later filings report different values for the same periods.

## Recent SEC filings

- Form 10-Q — filed 2018-11-02 — period 2018-09-30 — 10-Q
- Form 10-Q — filed 2018-08-02 — period 2018-06-30 — 10-Q
- Form 10-Q — filed 2018-05-04 — period 2018-03-31 — 10-Q
- Form 8-K — filed 2018-03-26 — period 2018-03-20 — 8-K
- Form 10-K — filed 2018-02-27 — period 2017-12-31 — 10-K
- Form 10-Q — filed 2017-11-01 — period 2017-09-30 — QGC-10Q-20170930
- Form 8-K — filed 2017-10-17 — period 2017-10-11 — FORM 8-K
- Form 10-Q — filed 2017-08-03 — period 2017-06-30 — 10-Q
- Form 10-Q — filed 2017-05-04 — period 2017-03-31 — FORM 10-Q
- Form 10-K — filed 2017-03-15 — period 2016-12-31 — 10-K
- Form 8-K — filed 2016-12-19 — period 2016-12-15 — FORM 8-K
- Form 8-K — filed 2016-11-10 — period 2016-11-10 — FORM 8-K

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Updated: 2026-10-23T20:06:36Z

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