303 Corporation
4382 Grape St, Denver, CO 80216
Operating signal within 12 months from two or more independent sources.
What they make
Machine Shops332710B&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.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Band-it-idex, INC. | Denver | Metal Crown, Closure, and Other Metal Stamping (except Automotive) 332119 | ACTIVE | 0.9 KM |
| Acme Manufacturing CO | Denver | Rolled Steel Shape Manufacturing 331221 | LIKELY ACTIVE | 0.8 KM |
| Visser Precision, LLC | Denver | Machine Shops 332710 | ACTIVE | 1.0 KM |
| 39th Ave | Denver | Machine Shops 332710 | LIKELY ACTIVE | 1.0 KM |
| DMS Acquisitions, Inc. | Commerce City | Machine Shops 332710 | UNVERIFIED | 2.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | SAM GOV | APR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.