High Precision Grinding & Machining, INC.

What they make

• CNC machining
• welding
• Titanium
• CNC turning up
• precision boring up
• Defense
• Aerospace
• Energy industries
• AS9100

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Hillside Composites LLC	El Cajon	Leather and Hide Tanning and Finishing 316110	● ACTIVE	0.2 KM
WMWeldmac Manufacturing Company	El Cajon	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	0.6 KM
AMAmerican Machine & Tool, INC.	El Cajon	Machine Shops 332710	▲ REPORTED CLOSED	1.2 KM
AEAkan Electronics Limited Liability Company	El Cajon	Hardware Manufacturing 332510	◐ LIKELY ACTIVE	1.2 KM
Jiffy Machine & Welding, INC.	El Cajon	Machine Shops 332710	● ACTIVE	1.5 KM

Every listed plant in San Diego 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 CA-CERS, CA-ENVIROVIEW, HWTS-DATAMART, RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record MPW7UNMQLRU8 · first seen APR 2026 · last seen APR 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110002712379 · first seen JUN 2021 · last seen JUN 2021

ALSO RECORDED ASHIGH PRECISION GRINDING AND MFG

IN SAN DIEGO COUNTY128 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 35 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.

NameSOURCES DISAGREE

EPA: HIGH PRECISION GRINDING AND MFG · JUL 2026

SAM.gov: HIGH PRECISION GRINDING & MACHINING, INC. · APR 2026 · ON THIS PAGE

Street address

EPA: 1130 PIONEER WAY · JUL 2026 · ON THIS PAGE

SAM.gov: 1130 PIONEER WAY · APR 2026 · ON THIS PAGE

City

EPA: EL CAJON · JUL 2026 · ON THIS PAGE

SAM.gov: EL CAJON · APR 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · APR 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06073 · SEP 2026

Coordinates

EPA: 32.809328,-116.967756 · JUL 2026

Website

SAM.gov: https://www.highprecisiongrinding.com · APR 2026

CAGE code

SAM.gov: 1BG71 · APR 2026

SAM registration expires

SAM.gov: 2027-04-07 · APR 2026