Harper Engineering Company LLC

What they make

• panel fasteners
• seat track fittings
• precision machining
• aerospace
• Boeing

NAMED ON THE COMPANY’S OWN WEBSITE, READ SEP 9, 2026

Open positions

Openings read from Harper Engineering Company LLC’s own job board on Paylocity, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Thermoforming Operator
  Renton, WA, USA · posted OCT 20, 2026
• Assembler
  Renton, WA, USA · posted OCT 19, 2026
• Engineering Program Manager
  Renton, WA, USA · posted OCT 15, 2026
• Experienced CNC Lathe Setup Operator / Machinist
  Renton, WA, USA · posted AUG 13, 2026

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Aim Group USA INC.	Renton	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	0.0 KM
BOBlue Origin Manufacturing LLC Davinci	Renton	Guided Missile and Space Vehicle Manufacturing 336414	◐ LIKELY ACTIVE	0.8 KM
BLBoeing Longacres	Renton	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	1.2 KM
HEHarper Engineering CO	Renton	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	◐ LIKELY ACTIVE	1.4 KM
Renton Coil Spring Company	Renton	Spring Manufacturing 332613	● ACTIVE	1.2 KM

Every listed plant in King County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Where this record comes from

4 sources hold this plant, and 11 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 websiteOPERATING
  first seen SEP 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record LPCKRG7HCGS3 · first seen AUG 2026 · last seen AUG 2026
• DOL Form 5500 retirement plan filingsOPERATING
  Record 910838745|WA|98057|700 sw seventh st · first seen DEC 2024 · last seen DEC 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record WA|renton|700 sw 7th st · first seen FEB 2021 · last seen FEB 2021

IN KING COUNTY118 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 32 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: HARPER ENGINEERING COMPANY LLC · AUG 2026

Street address

SAM.gov: 700 SW 7TH ST · AUG 2026

City

SAM.gov: RENTON · AUG 2026

State

SAM.gov: WA · AUG 2026

Coordinates

Census geocoder: 47.473791984186,-122.22619846039 · SEP 2026

Employees (band)

DOL: 20-99 · DEC 2024

Website

SAM.gov: https://www.harperengineering.com · AUG 2026

CAGE code

SAM.gov: 34941 · AUG 2026

Retirement plan filing (Form 5500)

DOL: 86 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x2, approved 2021-02-18, 80 jobs reported · FEB 2021

SAM registration expires

SAM.gov: 2027-08-17 · AUG 2026