Operating signal within 12 months from two or more independent sources.
What they make
Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing333415- thermal management
- enclosures
- racks
- micro data centers
- cooling
- monitoring
- hosting
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Hussman Corporation-bridgeton | Bridgeton | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | LIKELY ACTIVE | 1.4 KM |
| Johnson Marcraft | Maryland Heights | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415 | LIKELY ACTIVE | 4.7 KM |
| Watlow Electric Manufacturing CO | Saint Louis | Heating Equipment (except Warm Air Furnaces) Manufacturing 333414 | ACTIVE | 6.5 KM |
| Indoff, LLC | Saint Louis | Major Household Appliance Manufacturing 335220 | ACTIVE | 6.5 KM |
| National Cart CO INC | Saint Charles | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | ACTIVE | 8.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord YTUYRE3K86H4 · first seen JUN 2026 · last seen JUN 2026
IN ST. LOUIS COUNTY14 other plants share this one’s industry (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing, NAICS 3334); 5 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: ELECTRONIC SUPPORT SYSTEMS, INC. · JUN 2026
- Street address
- SAM.gov: 12926 HOLLENBERG DR · JUN 2026
- City
- SAM.gov: BRIDGETON · JUN 2026
- State
- SAM.gov: MO · JUN 2026
- Coordinates
- Census geocoder: 38.756187716944,-90.440929027014 · JUL 2026
- Website
- SAM.gov: https://www.elecsupport.com · JUN 2026
- Year established
- Company website: 1974 · AUG 2026
- CAGE code
- SAM.gov: 07VN4 · JUN 2026
- SAM registration expires
- SAM.gov: 2027-05-20 · JUN 2026
- State business registration
- TX Comptroller: ELECTRONIC SUPPORT SYSTEMS INC, registered with the Texas Comptroller of Public Accounts; Corporation; active

