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Plymouth Grating Laboratory, INC.

5 Commerce Way, Carver, MA 02330

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 5 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Plymouth Grating Laboratory, INC.
Their homepage, crawled AUG 2026

What they make

Glass Product Manufacturing Made of Purchased Glass327215
  • laser diffraction gratings
  • HEL SBC Gratings
  • MLD Gratings
  • Gold Gratings
  • Hybrid Gratings
  • thin film coating
  • reactive ion etching
  • chirped pulse amplification
  • spectral beam combining
  • beam steering

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

Products

Made or handled here · 6
diffraction gratings · gold diffraction gratings · hybrid metal dielectric diffraction gratings · multilayer dielectric mld diffraction gratings · transmission diffraction gratings · two dimensional 2d diffraction gratings
Where these came from
6 from the company’s own website · Company website
url-slug on https://www.plymouthgrating.com/product/diffraction-gratings/
Sold by PLYMOUTH GRATING LABORATORY, INC. · 1
Glass Fabricated Materials

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
1 from usaspending_psc · Federal registry
Supplied under federal award 33131223P00497608 (2023-08-30), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.
CAREERS
Careers page — seen SEP 8, 2026

Where it is

41.92074, -70.81915 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

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Every listed plant in Plymouth County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 12 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 JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record HAGAKTPDVSE5 · first seen MAR 2026 · last seen APR 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 201266257|MA|02330|5 commerce way · first seen OCT 2025 · last seen OCT 2025
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record MA|carver|5 commerce way · first seen APR 2020 · last seen APR 2020
  • SBA 7(a) and 504 loan recordsEXISTENCE
    first seen MAR 2016 · last seen MAR 2016

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: PLYMOUTH GRATING LABORATORY, INC. · MAR 2026
Street address
SAM.gov: 5 COMMERCE WAY · MAR 2026
City
SAM.gov: CARVER · MAR 2026
State
SAM.gov: MA · MAR 2026
Coordinates
Census geocoder: 41.920743773424,-70.819148541262 · JUL 2026
Employees (band)
DOL: 20-99 · OCT 2025
Website
SAM.gov: https://www.plymouthgrating.com · MAR 2026
CAGE code
SAM.gov: 5HFC4 · MAR 2026
Retirement plan filing (Form 5500)
DOL: 27 active participants, plan year ending 2025-10-31, 1 plan(s) · OCT 2025
PPP loan
SBA PPP: PPP loan x1, approved 2020-04-07, 27 jobs reported · APR 2020
SAM registration expires
SAM.gov: 2027-03-25 · MAR 2026
SBA loans
SBA: 7a loan x4, jobs 13.0 · MAR 2016

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