Trends · data through September 2026

Warehouse Clubs in Riverside-San Bernardino-Ontario, CA

Iceflower tracks 41 stores from 13 warehouse club chains in Riverside-San Bernardino-Ontario, CA.

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
13
Tracked stores
41
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 - +1.7%
2 S Sam's Club logo Sam's Club - -5.6%
  • Costco
  • Sam's Club
  • Overstock Corner
  • Valley Lock and Safe
  • Walters Wholesale Electric
  • Alteno Enterprises
  • Armstrong Growers
  • Other tracked chains

Store footprint

Store map

41 tracked store locations in Riverside-San Bernardino-Ontario, CA. The 7 largest tracked chains are highlighted.

  • Costco (20)
  • Sam's Club (8)
  • Overstock Corner (1)
  • Valley Lock and Safe (1)
  • Walters Wholesale Electric (2)
  • Alteno Enterprises (1)
  • Armstrong Growers (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 C Costco logo Costco 20
  • 2 S Sam's Club logo Sam's Club 8
  • 3 W Walters Wholesale Electric 2
  • 4 S SCP Distributors logo SCP Distributors 2
  • 5 O Overstock Corner 1
  • 6 V Valley Lock and Safe 1
  • 7 A Alteno Enterprises 1
  • 8 A Armstrong Growers 1
  • 9 D Deal Hunterz Liquidation 1
  • 10 A Ape Fitness Equipment 1
  • 11 C CAM Supply Inc. logo CAM Supply Inc. 1
  • 12 C Corona Cash and Carry 1
  • 13 G Gold Textiles 1

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