Rainwater Holdings, INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersStockton, CA
SAM.gov UEIU955GA8N9AR5
Ultracor engineers and manufactures composite honeycomb core materials from prepreg materials including carbon, quartz, Kevlar, and fiberglass using a single cure step process without secondary adhesives. The company serves aerospace and defense contractors, with products used in satellites, missile and aircraft radomes, and high performance flight structures.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Rainwater Holdings, INC | Stockton | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


