Preferred Manufacturing Services, INC

What they make

• precision industrial parts
• assemblies
• engineering support services
• CNC machining
• fabrication
• precision welding
• reverse engineering
• automotive
• transportation
• aerospace
• defense industries

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

Open positions

Openings read from Preferred Manufacturing Services, INC’s own job board on JazzHR, last checked OCT 24, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• General Shop Laborer
  Cameron Park, CA, United States
• Purchasing Agent
  Cameron Park, CA, United States
• Process Quality Engineer
  Cameron Park, CA, United States · Snowline Engineering
• Material Handler
  Cameron Park, CA, United States · Snowline Engineering
• Lathe Machinist Level 3
  Cameron Park, CA, United States
• Horizontal Mill CNC Operator - Level 3
  Cameron Park, CA, United States
• CNC Machinist Level 2-3 Night Shift
  Cameron Park, CA, United States
• Manufacturing Shop Manager
  Cameron Park, CA, United States · Machine Shop
• CMM Programmer
  Cameron Park, CA, United States
• Project Planner
  Cameron Park, CA, United States

9 more on the company’s board

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
A Precision Machining CORP	Shingle Springs	Machine Shops 332710	● ACTIVE	0.5 KM
Tdm Industries LLC	Shingle Springs	Machine Shops 332710	● ACTIVE	2.8 KM
Tdm Industries LLC	Cameron Park	Machine Shops 332710	● ACTIVE	5.2 KM
478826 Limited	El Dorado Hills	Machine Shops 332710	● ACTIVE	10.1 KM
CECason Engineering INC	El Dorado Hills	Precision Turned Product Manufacturing 332721	● ACTIVE	10.5 KM

Every listed plant in El Dorado County

Also at this address

2 other records share 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

7 sources hold this plant, and 13 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 RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• OSHA injury and illness reportsOPERATING
  Record 1441705 · first seen DEC 2025 · last seen DEC 2025
• SAM.gov entity registrationOPERATING
  Record E2MJYBN71VH5 · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 680419694|CA|95682|4261 business dr · first seen DEC 2024 · last seen DEC 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record CA|cameron park|4261 business dr · first seen FEB 2021 · last seen FEB 2021
• SBA 7(a) and 504 loan recordsEXISTENCE
  first seen MAY 2019 · last seen MAY 2019
• EPA Facility Registry ServiceEXISTENCE
  Record 110070467757 · first seen JAN 2019 · last seen JAN 2019

ALSO RECORDED ASPREFERRED MANUFACTURING SERVICES INC DBA SNOWLINE ENGINEERING

IN EL DORADO COUNTY16 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 6 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: PREFERRED MANUFACTURING SERVICES INC DBA SNOWLINE ENGINEERING · JUL 2026

SAM.gov: PREFERRED MANUFACTURING SERVICES, INC · DEC 2025 · ON THIS PAGE

Street address

EPA: 4261 BUSINESS DR · JUL 2026 · ON THIS PAGE

SAM.gov: 4261 BUSINESS DR · DEC 2025 · ON THIS PAGE

City

EPA: CAMERON PARK · JUL 2026 · ON THIS PAGE

SAM.gov: CAMERON PARK · DEC 2025 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · DEC 2025 · ON THIS PAGE

County (FIPS code)

EPA: 06017 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 38.651770178304,-120.951596868042 · JUL 2026 · ON THIS PAGE

EPA: 38.651442,-120.95145 · JUL 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Website

SAM.gov: http://www.snowlineengineering.com · DEC 2025

CAGE code

SAM.gov: 5W777 · DEC 2025

Retirement plan filing (Form 5500)

DOL: 34 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x2, approved 2021-02-04, 61 jobs reported · FEB 2021

SAM registration expires

SAM.gov: 2026-12-03 · DEC 2025

SBA loans

SBA: 7a loan x1, jobs 50.0 · MAY 2019