Simplex INC

5300 Rising Moon Rd, Springfield, IL 62711

LIKELY ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Sheet Metal Work Manufacturing332322

Products

Sold by SIMPLEX INC · 4

Aircraft Maintenance And Repair Shop Specialized Equipment · Converters, Electrical, Nonrotating · Guided Missile Maintenance, Repair, And Checkout Specialized Equipment · Valves, Nonpowered

Recorded 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

COUNTY

Sangamon County

METRO AREA

Springfield, IL

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STREET VIEW

Open street-level view — JUL 2019

Other plants nearby

Facility	City	Industry	Status	Distance
Richardson Manufacutring Company	Springfield	Fabricated Structural Metal Manufacturing 332312	LIKELY ACTIVE	6.4 KM
Propel Doors LLC	Chatham	Metal Window and Door Manufacturing 332321	LIKELY ACTIVE	10.2 KM
Xcessories Squared Development & Mfg INC	Auburn	Fabricated Structural Metal Manufacturing 332312	LIKELY ACTIVE	18.1 KM
Jack Kennedy Metal Products & Bldgs INC	Langleyville	Sheet Metal Work Manufacturing 332322	LIKELY ACTIVE	39.8 KM

Every listed plant in Sangamon County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 12 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.

EPA cross-references this facility in ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record DKGLKPF74LH3 · first seen APR 2026 · last seen OCT 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 370760662|IL|62711|5300 rising moon rd · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record IL|springfield|5300 rising moon rd · first seen APR 2020 · last seen APR 2020
EPA Facility Registry ServiceEXISTENCE
Record 110027155307 · first seen JUN 2017 · last seen JUN 2017

IN SANGAMON COUNTY4 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 2 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: EPA: SIMPLEX INC · JUL 2026 · ON THIS PAGE; SAM.gov: SIMPLEX INC · ON THIS PAGE
Street address: EPA: 5300 RISING MOON RD · JUL 2026 · ON THIS PAGE; SAM.gov: 5300 RISING MOON RD · ON THIS PAGE
City: EPA: SPRINGFIELD · JUL 2026 · ON THIS PAGE; SAM.gov: SPRINGFIELD · ON THIS PAGE
State: EPA: IL · JUL 2026 · ON THIS PAGE; SAM.gov: IL · ON THIS PAGE
County (FIPS code): EPA: 17167 · SEP 2026
Coordinates: EPA: 39.749453,-89.749113 · JUL 2026
Employees (band): DOL: 100-499 · DEC 2024
CAGE code: SAM.gov: 78308
Retirement plan filing (Form 5500): DOL: 176 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-05, 172 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-03-24
State business registration: TX Comptroller: SIMPLEX, INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 2020-10-02; active · OCT 2020

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