United Crystals Inc.

Port Washington, NY Doing business as United Crystals

Company facts

Self-certified in SAM.gov: For Profit Organization

Subchapter S Corporation
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 456130 Optical Goods Retailers Primary
SAM.gov registration date: Jul 21, 2009
Physical address: 35 Amherst Rd, Port Washington, NY 11050, USA
Website: unitedcrystals.com
Founded: 2003
Employees: 1-10
Estimated annual revenue: $0-$1M
Industry: Health Care

Health Care Equipment & Services

Health Care Equipment & Supplies

Eyewear
SIC code: 38 Instruments & Related Products
Profiles: LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Sep 11, 2026.

United Crystals Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award	Agency	Obligated	Awarded
Calcite plate Contract · N0018915PZ618	Naval Supply Systems Command	$13,038	Aug 3, 2015
United crystal fused laser slabs for blue laser irad Contract · NNG15LJ05P	Goddard Space Center	$4,035	Dec 23, 2014
Crystals Contract · N0017314P3205	Office of Naval Research	$3,330	Sep 5, 2014
Polishing crystals Contract · N0017312P0808	Office of Naval Research	$4,708	Mar 13, 2012
Crystals Contract · N0017310P1023	Office of Naval Research	$6,953	May 14, 2010

United Crystals Inc.'s Unique Entity ID (UEI) in SAM.gov is L2NEBN3MFZT6.

United Crystals Inc.'s CAGE code is 5LCX0.

United Crystals Inc.'s primary NAICS code is 456130 (Optical Goods Retailers).

United Crystals Inc.'s physical address in SAM.gov is 35 Amherst Rd, Port Washington, NY 11050, USA.

Yes. United Crystals Inc.'s SAM.gov registration is active through September 10, 2027.

United Crystals Inc.'s most recent federal contract award is Calcite plate (N0018915PZ618), from Naval Supply Systems Command, on August 3, 2015.

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