Expo Power Systems, INC.
Doing business as Enviroguard
At a glance
Employees20-99
In business sinceNot reported
HeadquartersMontclair, CA
US patents14
SAM.gov UEID4VCVMCU91X5
CAGE code00QK5
Incorporated inCA
Brands
This company sells these brands.
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsWoman Owned BusinessWoman Owned Small Business
Self-certified by the company in its SAM.gov registration
Patents
14 US patents granted 1991–2013, none of them in the five years to SEP 2025.
Chemical engineering 5Measurement 4Materials, metallurgy 3Electrical machinery, apparatus, energy 2
- Battery spill containment trays, battery spill containment systems, and methods of battery spill containmentUS 8,459,314 · granted JUN 11, 2013
- Containment rail systemUS 7,730,902 · granted JUN 8, 2010
- Spill containment system with a flexible corrosion-resistant linerUS 7,691,526 · granted APR 6, 2010
- Spill containment system and methodUS 7,428,911 · granted SEP 30, 2008
- Spill containment system and methodUS 7,124,771 · granted OCT 24, 2006
Newest 5 shown · Granted to Enviroguard, Expo Power Systems, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Expo Power Systems, INC. | Montclair | CA | 20–99 | 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.





