Simplex INC
5300 Rising Moon Rd, Springfield, IL 62711
LIKELY ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Sheet Metal Work Manufacturing332322Products
Sold by SIMPLEX INC · 4
Aircraft Maintenance And Repair Shop Specialized Equipment · Converters, Electrical, Nonrotating · Guided Missile Maintenance, Repair, And Checkout Specialized Equipment · Valves, NonpoweredRecorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
4 from usaspending_psc · Federal registry
Supplied under federal award SPMYM123P1861 (2023-09-29), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.
Where it is
39.74945, -89.74911 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Richardson Manufacutring Company | Springfield | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 6.4 KM |
| Propel Doors LLC | Chatham | Metal Window and Door Manufacturing 332321 | ACTIVE | 10.2 KM |
| Xcessories Squared Development & Mfg INC | Auburn | Fabricated Structural Metal Manufacturing 332312 | ACTIVE | 18.1 KM |
| Sdi INC. | Sherman | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 20.4 KM |
| Jack Kennedy Metal Products & Bldgs INC | Langleyville | Sheet Metal Work Manufacturing 332322 | UNVERIFIED | 39.8 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 7 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| SAM GOV | OPERATING | APR 2026 | SEP 2026 |
| EPA FRS | EXISTENCE | JUN 2017 | JUN 2017 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | — |
| CAGE CODE | SAM GOV | — |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | — |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | — |
| REGISTRATION EXPIRATION | SAM GOV | — |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | — |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.