Five of Sam's Club's ten nearest neighbors are casual dining chains — a category that shares no obvious structural kinship with a membership warehouse retailer.
The shape here is broad: scores descend gradually from 0.97 down to 0.79, with no single neighbor dominating and no sharp drop-off. Sam's Club Fuel Center is the closest match at 0.97, which makes structural sense as an on-property service sharing the same membership base. After that, the neighbor set fans out across three distinct kinds: automotive and vehicle services (Car Wash & Detailing at 0.88, Take 5 Oil Change at 0.85), casual dining chains (Bubba's 33 at 0.85, Golden Corral at 0.84, Hooters at 0.81, Olive Garden at 0.80, Cheddar's Scratch Kitchen at 0.79), and mid-range hotels (WoodSpring Hotels at 0.82, Comfort Suites at 0.80). Not one other Big Box Retailer appears in the top 10 — the audience shape Sam's Club produces is defined entirely by cross-category neighbors. The casual dining cluster is the largest single group, accounting for five of the ten positions, while automotive services and mid-range lodging each contribute two or three entries. Together these three subcategories paint a picture of an audience that moves through a specific ecosystem of everyday, value-oriented, in-person services — fueling up, eating out at sit-down chains, staying at practical hotels — rather than one that gravitates toward other warehouse or discount retail formats.
The broad shape across this mix suggests Sam's Club's audience composition is not niche or concentrated; it overlaps meaningfully with a wide band of brick-and-mortar service categories that share a similar everyday-errand profile.