SiteCity Business Directory

Information Technology Company

San Antonio

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

San Antonio's information technology companies cluster in a handful of ZIP codes rather than spreading evenly across the city. Zip 78216 leads with 29 listed firms, followed by 78232 with 11 and a tie between 78205 and 78258 at 19 each. Zips 78212 and 78217 each carry 15, with 78229 and 78230 rounding out the top group at 11 apiece. Out of 217 IT companies listed for San Antonio, every one includes a phone number and a website link, so you can call or click through without hunting for missing details.

More about information technology company in San Antonio ↓

None of these listings are marked Sponsored at the moment, since paid placement for this category hasn't started, which means the order you see reflects a standard list rather than any ranking or endorsement. If you work at one of these companies and spot an outdated phone number or a dead website link, you can claim the listing yourself and update it, saving a San Antonio business owner from calling a number that no longer connects. Use the ZIP breakdown to narrow your search to a part of the city, then call two or three to compare what they offer.

Information Technology Company in San Antonio by the numbers

SiteCity lists 217 businesses under Information Technology Company in San Antonio, TX, as of November 4, 2026. 217 list a phone number and 211 list a website.

Most-listed ZIP codes: 78216 (29), 78205 (20) and 78258 (19).

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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