NOV Tuboscope

Houston's commercial industrial listings spread unevenly across the city. Of the 163 businesses in this category, ZIP 77041 leads with 10, followed by 77049 at 7, then 77008, 77018, and 77040 tied at 5 each. Smaller clusters sit in 77015 and 77032 with 4 apiece, and 77034 rounds out the list with 3. That spread means if you're searching near northwest Houston you'll find more options than in some outlying areas, so it's worth checking a couple of neighboring ZIPs before you call around.

Most entries here are easy to reach: 160 listings show a phone number and 151 link to a website, covering the large majority of the 163 total. None of these listings are marked Sponsored right now, since paid placement isn't active in this category, so every business appears in the same unranked order without any promoted spots mixed in. If you own or manage one of these companies and the contact details are wrong, you can claim the listing yourself and update the phone number or site link, which keeps someone searching a zip like 77041 from wasting a call. Browsing by area first, then narrowing to a specific business, tends to save the most time.