SiteCity Business Directory

Business to Business

Houston

1,730 businesses listed, showing 1–40. How we order them.

Houston's Business to Business listings cluster in a handful of ZIP codes. The 77041 area leads with 105 companies, followed by 77032 at 62 and 77040 at 63. If you're trying to narrow down where to start calling, those three spots hold the densest concentration in this category, with 77002 close behind at 50. Out of 1,730 total listings in this category, 1,711 list a phone number and 1,594 list a website, so most entries give you a direct way to reach the business without digging further.

More about business to business in Houston ↓

Paid placements are labeled Sponsored, and right now this Houston category has zero of them, so everything you scroll through is unranked directory data rather than a bought spot. That also means no listing here has been checked or scored by SiteCity, so treat the phone number and site link as a starting point and call two or three before deciding who to work with. If you run one of these companies and see an outdated number or dead link, especially in the busier 77041 or 77032 clusters, you can claim the listing and correct it, which keeps a real inquiry from stalling on bad contact info.

Business to Business in Houston by the numbers

SiteCity lists 1,730 businesses under Business to Business in Houston, TX, as of November 4, 2026. 1,711 list a phone number and 1,594 list a website.

Most-listed ZIP codes: 77041 (105), 77040 (63) and 77032 (62).

Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.

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