303 Corporation

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Their homepage, crawled JUL 29, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Machine Shops

HeadquartersDenver, CO

SAM.gov UEISRFTDPE2XRT6

CAGE code9QTQ1

Incorporated inCO

Brands

Precision MachiningGrindingAssembly & Packaging

This company sells these brands.

B&B Machine & Grinding Service Corp. is a machine shop in Denver that provides precision machining, grinding, assembly, and packaging services. The company serves the aerospace, defense, food and beverage, energy, manufacturing, oil and gas, and technology industries. The company holds ISO 9001: 2015 Certification and operates a quality control lab equipped with coordinate measuring machines, optical comparators, hardness testers, and profilometers with gaging traceable to NIST.

Supplier designations

Self-certified by the company in its SAM.gov registration

Facility	City	State	Employees	Status
303 Corporation	Denver	CO	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.