Trends · data through September 2026

Warehouse Clubs in Illinois

Iceflower tracks 90 stores from 37 warehouse club chains in Illinois. Costco grew fastest over the last year, ahead of Sam's Club and Illco.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
37
Tracked stores
90
Consumer panel
130M+

Growth ranking

Fastest-growing tracked warehouse club chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Costco and Sam's Club sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 C Costco logo Costco - +1.1%
2 S Sam's Club logo Sam's Club - -1.3%
3 I Illco - -41.1%
  • Costco
  • Sam's Club
  • Sams Beauty Warehouse
  • American Distributors
  • Willow Electrical Supply
  • Ak Wholesale Inc
  • Aviva Wholesale
  • Other tracked chains

Store footprint

Store map

90 tracked store locations in Illinois. The 7 largest tracked chains are highlighted.

  • Costco (27)
  • Sam's Club (26)
  • Sams Beauty Warehouse (1)
  • American Distributors (1)
  • Willow Electrical Supply (1)
  • Ak Wholesale Inc (1)
  • Aviva Wholesale (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 C Costco logo Costco 27
  • 2 S Sam's Club logo Sam's Club 26
  • 3 I Illco 3
  • 4 V Vitaminka 1
  • 5 C Chicago Basil 1
  • 6 O Olympia Trading 1
  • 7 H Hebron Imports 1
  • 8 C Craig Bachman Imports Inc 1
  • 9 T Tri-County Landscape Supply 1
  • 10 S Sanctuary Traders 1
  • 11 C CAG Wholesale 1
  • 12 A American Green Smoke 1
  • 13 S Star Distributors 1
  • 14 C Chicagoland Merchants' Market 1
  • 15 B BJ's 1
  • 16 T Touge Factory 1
  • 17 I Ink Smith Inc 1
  • 18 Z ZZ Wholesale 1
  • 19 H HS Wholesale 1
  • 20 D Discount Dash 1
  • 21 S Sams Beauty Warehouse logo Sams Beauty Warehouse 1
  • 22 A American Distributors 1
  • 23 W Willow Electrical Supply 1
  • 24 A Ak Wholesale Inc 1
  • 25 A Aviva Wholesale logo Aviva Wholesale 1
  • 26 J Joong Boo Warehouse Market logo Joong Boo Warehouse Market 1
  • 27 A Apet Inc 1
  • 28 B Bee Sales Co 1
  • 29 C Chicago Import Inc 1
  • 30 R RN International 1
  • 31 9 911 Volts 1
  • 32 V Villa Park Electrical Supply Co. 1
  • 33 D Dearborn Marketplace 1
  • 34 G Golden Country Oriental Food 1
  • 35 B Budgets N Bundles 1
  • 36 B Bradford Supply Co 1
  • 37 A American Beauty Equipment 1

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