T S T Trennso Technology Corporation

Houston's research institute category holds 30 listings, and most zip codes on this page carry just one entry each. That spread means narrowing your search isn't about picking a favorite from a crowded field. It's about finding which zip sits near you and starting there, since a second option in the same area is rare. Of the 30 listings, 25 list a phone number and 19 list a website, so plenty of calls will happen before you land on a working link.

No listing here carries a Sponsored tag, since paid placement for this category hasn't launched yet in Houston. What you're scrolling is plain directory order, not a boosted arrangement. If you run one of these institutes and notice a missing phone number or blank website field, you can claim the listing and fill in the gap yourself. That's worth doing given how many single-entry zips sit on this page. With so few names per area, one updated listing can be the difference between a caller finding you and moving to a city over.