John Harder & CO INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
A Fresh Start Emergency Network 1 LLC	Saint Louis	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	0.7 KM
CTCurtis - Toledo, INC.	Saint Louis	Air and Gas Compressor Manufacturing 333912	◐ LIKELY ACTIVE	0.9 KM
NPNeff Press, INC.	Saint Louis	Machine Shops 332710	▲ REPORTED CLOSED	1.1 KM
ESEagle Specialty Products INC	St Louis	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415	◇ UNVERIFIED	2.4 KM
APAmerican Pulverizer CO	Saint Louis	Mining Machinery and Equipment Manufacturing 333131	● ACTIVE	6.4 KM

Every listed plant in St. Louis County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 9 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 MO-DNR, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

• DOL Form 5500 retirement plan filingsOPERATING
  Record 430975078|MO|63133|6651 salzman industrial ct · first seen SEP 2025 · last seen SEP 2025
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record MO|saint louis|6651 salzman industrial ct · first seen MAY 2020 · last seen FEB 2021
• EPA Facility Registry ServiceEXISTENCE
  Record 110003945722 · first seen NOV 2015 · last seen NOV 2015

IN ST. LOUIS COUNTY31 other plants share this one’s industry (Other General Purpose Machinery Manufacturing, NAICS 3339); 15 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: JOHN HARDER & CO INC · OCT 2026

Street address

EPA: 6651-55 SALZMAN IND CT · OCT 2026

City

EPA: SAINT LOUIS · OCT 2026

State

EPA: MO · OCT 2026

Coordinates

EPA: 38.68086,-90.29334 · OCT 2026

Employees (band)

DOL: 1-19 · SEP 2025

Retirement plan filing (Form 5500)

DOL: 7 active participants, plan year ending 2025-09-30, 1 plan(s) · SEP 2025

PPP loan

SBA PPP: PPP loan x1, approved 2021-02-03, 12 jobs reported · FEB 2021

Hazardous waste generator (RCRA)

EPA ECHO: VSQG · OCT 2026