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South Korea

The 14 companies from this country listed on the NYSE and Nasdaq are worth $884 bn combined; the largest are SK hynix (SKHY), KB Financial Group (KB) and Shinhan Financial Group (SHG). For each one: the industry, what it does, revenue, margin, free cash flow over the last five years and a score from 0 to 10.

Data as of October 2026

14 companies 10 industries value 884 bn revenue 422 bn
Rank Ticker Company Value Revenue Margin FCF 5 years FCF/px Yield What it does · why it is here
1 SKHY SK hynix
Memory · score 7.5
 708 bn 142 bn 85.7% 69 bn 9.7% 0.2% DRAM and NAND memory, from South Korea · World's largest supplier of HBM memory for AI accelerators
2 KB KB Financial Group
Asian banks · score 6.3
 43 bn 8.1 bn 50.1% 2.7 bn 6.3% — Banking, cards, insurance and brokerage in South Korea · South Korea's largest financial group
3 SHG Shinhan Financial Group
Asian banks · score 6.9
 33 bn 49 bn 7.9% 7.1 bn 21.5% 2.9% Retail and wholesale banking in South Korea · Korea's 2nd largest financial group, strong in retail banking
4 CPNG Coupang
Online retail and marketplaces · score 2.7
 26 bn 35 bn -2.2% 0.1 bn 0.4% — E-commerce and fast delivery in South Korea · Dominates Korean e-commerce with same-day delivery; the 'Amazon of Korea'
5 PKX POSCO HOLDINGS INC.
Steel · score 1.9
 17 bn 52 bn 0.8% -0.8 bn -4.7% 4.0% Steel, batteries and materials, from South Korea, since 1968 · South Korea — revenue of $52bn
6 WF WOORI FINANCIAL GROUP INC.
Asian banks · score 6.5
 17 bn 7.8 bn 28.8% 9.2 bn 54.1% — South Korean financial holding company · South Korea — assets of $416bn
7 KEP KOREA ELECTRIC POWER CORP
Regulated electric utilities · score 5.5
 14 bn 73 bn 9.0% 3.8 bn 27.8% 1.2% Electricity transmission and distribution in South Korea, plus nuclear and thermal power generation · South Korea — revenue of $72.7bn
8 SKM SK Telecom
International telecom · score 7.6
 12 bn 13 bn 2.2% 1.3 bn 10.4% 3.8% Mobile telephony in South Korea, 23.5 million subscribers · South Korea's largest mobile operator, betting heavily on AI
9 KT KT CORP
International telecom · score 8.1
 9.1 bn 21 bn 6.5% 3.7 bn 41.1% 4.8% Telephone, broadband and media in South Korea · South Korea — revenue of $21.3bn
10 LPL LG Display Co., Ltd.
Electronic components and connectors · score 5.8
 2.7 bn 19 bn 1.2% 0.8 bn 28.2% — Display panels for laptops, monitors, TVs and cars · South Korea — revenue of $19.4bn
11 DDI DoubleDown Interactive Co., Ltd.
Video games · score 7.8
 0.7 bn 0.4 bn 32.9% 0.1 bn 21.3% 0.0% Social casino games for mobile and web · South Korea — revenue of $380m
12 GRVY GRAVITY Co., Ltd.
Video games · score 6.4
 0.5 bn 0.4 bn 12.0% 0.1 bn 12.2% — Online games, from South Korea, including Ragnarok · South Korea — revenue of $422m
13 MX MAGNACHIP SEMICONDUCTOR Corp
Power semiconductors · score 0.0
 0.1 bn 0.2 bn -17.3% -0.1 bn -57.9% — Analog and power semiconductors, from South Korea · South Korea — revenue of $177m
14 GITS Global Interactive Technologies, Inc.
Niche social networks · score 0.0
 0.0 bn 0.0 bn -2317x 0.0 bn -12.3% — Digital K-pop fan engagement platform · South Korea

By sector

Sector Companies Value Revenue Largest
Communication Services 5 23 bn 35 bn SKM, KT, DDI
Information Technology 3 711 bn 162 bn SKHY, LPL, MX
Financials 3 93 bn 65 bn KB, SHG, WF
Consumer Discretionary 1 26 bn 35 bn CPNG
Materials 1 17 bn 52 bn PKX
Utilities 1 14 bn 73 bn KEP

Companies by country

What this is. A catalogue, not a guide. Every industry with stocks listed on the NYSE or NASDAQ, the companies contending for its leadership, what each one does according to its own annual report, and the balance sheet it filed with the SEC.

The score runs from 0 to 10 and compares each company with every other one in the almanac on cash generation, profitability, debt, dividends and consistency over the last five years. The higher it is, the better the company fares in that comparison. Curious how much each part weighs? Ask at the bottom of the page.

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