Costco

Costco (Nasdaq: COST) operates in the Membership warehouse clubs and retail industry, with headquarters in Issaquah, United States and roots going back to 1983.

Costco Wholesale Corporation is a membership warehouse club operator that began operations in Seattle, Washington, in 1983. It sells a limited selection of nationally branded and Kirkland Signature private-label products at low prices in no-frills, self-service warehouses, and earns a large share of its profit from annual membership fees paid by 84.1 million paid members. At the end of fiscal 2026 it operated 939 warehouses in 14 countries, 647 of them in the United States and Puerto Rico, alongside e-commerce sites in nine markets, gasoline stations, pharmacies, optical and hearing aid centers, business centers and Costco Travel. Fiscal 2026 total revenue reached 303.2 billion dollars, including 5.9 billion dollars of membership fees, with approximately 355,000 employees. Its shares trade on the Nasdaq Global Select Market under the ticker COST and its principal executive offices are in Issaquah, Washington. It employs approximately 355,000 people, led by Ron Vachris (President and Chief Executive Officer), across roughly 89,684 tracked profiles. Firmographics, leadership, tech stack and similar companies are detailed below, as of 2026-10-13.

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Costco tech stack

23 technologies detected on costco.com, as of 2026-10-13.

Technology	Category
RReact	JavaScript framework
NNext.js	Web framework
NNode.js	Runtime
MMUI	UI component library
EEmotion	CSS-in-JS
WWebpack	Module bundler
MModule Federation	Micro-frontends
EEnvoy	Service proxy
AAzure Edge Network	CDN
KKasada	Bot protection
rreCAPTCHA	Bot protection
QQueue-it	Virtual waiting room
DDynatrace	Application performance monitoring
SSegment	Customer data platform
AAdobe Target	Personalization and A/B testing
AAdobe Experience Platform Launch	Tag management
CCriteo	Retail media advertising
OOpinionLab	Customer feedback
TTranscend	Consent and privacy management
PPriority Hints	Performance optimization
HHSTS	Security header
HHTTP/3	Network protocol
CCart Functionality	Ecommerce

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Costco workforce (~89,684 tracked)

Distribution estimated from roughly 89,684 tracked public profiles, as of 2026-10-13. Use it for proportions, not exact headcounts.

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Costco leadership

10 current leaders are tracked, led by Ron Vachris. Contact details stay locked on this page and are revealed in the app.

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Costco recent signals

• Reported September net sales of 30.02 billion dollars for the five weeks ended October 4, up 13.0 percent, with total comparable sales up 11.4 percent and digitally-enabled sales up 19.0 percentOctober 2026
• Disclosed that Executive Vice President Jim Klauer, chief operating officer of the Northern Division from 2018 to August 2026, will retire effective October 30, 2026October 2026
• Said it plans to open up to 33 new warehouses in fiscal 2027, including five relocations, after opening 28 in fiscal 2026October 2026
• Closed fiscal 2026 with net sales of 297.2 billion dollars, up 10.1 percent, and net income of 9.226 billion dollars, helped in the fourth quarter by a one-time benefit from IEEPA tariff refundsSeptember 2026
• Adam Self, previously senior vice president and general manager of the Northeast Region, became executive vice president and chief operating officer of the Northern DivisionAugust 2026
• The board raised the quarterly cash dividend from 1.30 to 1.47 dollars per shareApril 2026
• Sarah George became executive vice president and chief operating officer of Merchandising, and Claudine Adamo moved from that role to executive vice president of AdministrationMarch 2026
• Four class actions were filed seeking the refund of IEEPA tariffs that members paid through higher prices, after the Supreme Court ruled those tariffs unlawfulMarch 2026
• Caton Frates became senior executive vice president and chief operating officer of warehouse operations for the U.S. and MexicoFebruary 2026
• W. Richard Wilcox, previously general manager of the San Diego Region, became executive vice president and chief operating officer of the Southwest DivisionOctober 2025

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Costco org chart

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Companies similar to Costco

Company	Revenue	Employees	HQ	Founded
SSam's Club			United States	1983
BBJ's Wholesale Club			United States	1984
WWalmart			United States	1962
TTarget			United States	1902
AAmazon			United States	1994
KKroger			United States	1883

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Costco news & media

• G
  Costco Wholesale Corporation Reports September Sales Results

  Net sales of 30.02 billion dollars for the retail month of September, up 13.0 percent, with U.S. comparable sales up 12.5 percent.

  globenewswire.com · October 2026
• S
  Costco 2026 Annual Report on Form 10-K

  Costco ended fiscal 2026 with 939 warehouses, 84.1 million paid members, a 92.3 percent renewal rate in the U.S. and Canada, and 355,000 employees.

  sec.gov · October 2026
• F
  Costco Is Opening New Stores in 5 States This October

  New warehouses open in Lee's Summit, Missouri, The Colony, Texas, Amherst, New York, Lawrence, Kansas, and Camarillo, California.

  financebuzz.com · October 2026
• S
  Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2026 Operating Results

  Fourth-quarter net sales rose 11.2 percent to 93.9 billion dollars and full-year net income reached 9.226 billion dollars, or 20.76 dollars per diluted share.

  sec.gov · September 2026
• R
  Costco faces a fierce legal battle over membership auto-renewal fees

  A California class action alleges that Costco renewed a membership without the advance notice required by the state's Automatic Renewal Law.

  rollingout.com · April 2026

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Costco financials