What You See Is All of Them

When we pulled the manufacturers' certification records in May 2026, only 12 companies in California held a current Vertiv, Schneider, or Stulz certification for mission-critical thermal and power systems. Not 12 that ranked well on a search. Not 12 that paid to be listed. Twelve that the manufacturers' own records showed, on that date, as certified. Every one of them is on the register.

That is the number this is about. When a cooling unit fails at 2am and your incumbent cannot show, the question is not who comes up when you search. It is the harder one: have I called everyone who can actually do this, and who can free up fastest.

In most industries that question is meaningless. The field is endless, so "everyone" is a fantasy. Mission-critical infrastructure is the opposite. The number of firms a manufacturer will certify to service its thermal and power systems is small, finite, and knowable on any given day. That makes "everyone" a real, reachable set. We drew its edges, and we date them.

A count, not a sample

In May 2026, across all three manufacturers, the certified field in our five launch states looked like this:

These are the companies the manufacturers' records showed as holding a current Vertiv, Schneider, or Stulz certification on the date we pulled them. A firm can earn a certification later and we will catch it. A lapse can drop one and we will catch that too. The point is not that the set can never change. The point is that on a known date it was this short, and most buyers assume it is many times larger.

When a field is this small, completeness stops being a feature and becomes the entire value. A list missing one firm is worse than useless in an emergency, because you do not know it is missing one.

Built for the moment the clock is running

So when something breaks and the cost is measured in five figures a minute, you are not guessing. You are working from a dated, confirmed field, calling down a set that was complete as of the day we checked it, finding who can free up fastest. You plan with it. You depend on it when the room gets hot.

That certainty did not exist anywhere before this. We know, because we looked for it first, could not find it, and built it.

California: 12 certified firms in May 2026. Unlock the state to see each one, with its certification and current service status. The other four launch states are live now, and we are building out the rest of the country next. See pricing or open the register.