The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Williams Companies is the larger company, worth $91.4B, about 1.4 times TC Energy.
  • TC Energy grew revenue faster over the last year (+16.7% vs +9.8%).
  • TC Energy keeps more of each dollar of revenue as operating profit (52.7% vs 38.2%).
  • On earnings, TC Energy is the cheaper stock (25.2x vs 32.8x).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureTRPWMB
Market cap$64.7B$91.4B
Share price$60.05$72.67
Revenue (last fiscal year)$15.2B$11.9B
Free cash flow (last fiscal year)—$1.0B
Revenue growth, last year+16.7%+9.8%
Revenue growth per year, last 5 fiscal years+4.1%+3.0%
Operating margin52.7%38.2%
Net margin23.1%25.2%
Return on equity12.9%23.3%
P/E (trailing)25.2x32.8x
Price / free cash flow31.4x91.0x
EV / EBITDA13.8x15.0x
FCF growth the price implies—25.1%
Dividend yield5.5%2.7%
Debt / equity3.00x3.43x
Fundamental gradeCC
Superinvestors holding it50
Insider purchases, last 12 months03

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

TC Energy

YearRevenueFree cash flowOp. margin
2021$13.0B-$244M31.3%
2022$12.1B-$2.6B20.2%
2023$12.5B-$5.0B40.7%
2024$13.1B-$208M61.0%
2025$15.2B—52.7%

Williams Companies

YearRevenueFree cash flowOp. margin
2021$10.6B$2.7B24.8%
2022$11.0B$2.6B27.5%
2023$10.9B$3.4B39.5%
2024$10.5B$2.4B31.8%
2025$11.9B$1.0B35.1%

Where the revenue comes from

TC Energy · by segments, 2025

U.S. Natural Gas Pipelines$7.1B47%
Canadian Natural Gas Pipelines$5.8B38%
Mexico Natural Gas Pipelines$1.4B10%
Power and Energy Solutions$845M6%
Corporate$14M0%

Williams Companies · by segments, 2025

Transmission, Power & Gulf$5.4B43%
West$2.8B23%
Gas & NGL Marketing Services$2.2B17%
Northeast G & P$2.2B17%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open TRP in Investingly

Questions

Which is bigger, TC Energy or Williams Companies?

Williams Companies (WMB), at $91.4B against $64.7B.

Is TRP or WMB cheaper?

By trailing P/E, TC Energy (25.2x) is cheaper than Williams Companies (32.8x). A lower multiple can also mean the market expects less growth.

Which grows faster, TRP or WMB?

TC Energy: revenue grew +16.7% over the last year, against +9.8%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.