GovChime
UEI: MTLDSJ79KNR9 • CAGE: 4XHX8

POLYPHASE SYSTEM INC (GU)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2015
$0
under this UEI
FY2026 obligations
$0
Provisional
Awards and orders
0
with positive net obligations1 IDV vehicle held
Latest action
Feb 26, 2018
SAM.gov registration
Active
Registration expiration date Aug 24, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Jun 19, 2007 (19 years)
Location
Barrigada, GU
State of incorporation
Guam
Purpose of registration
All Awards
Website
polyphaseguam.com

† FY2026 obligations (provisional; DoD awards signed after Jul 28, 2026 are not yet public).

All federal contractors in GuamHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI MTLDSJ79KNR9. GovChime does not check exclusions.

Performance

Capabilities

NAICS codes

Show all 23 NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration:

  • Asian-Pacific American Owned
  • Women-Owned Small Business
  • Women-Owned Business

Capabilities & Services

install transfmr
install swgrs
install ltg fixt
install panelboard
install MCC
instal FAS
install tel. system
substation eqpt
install generator
UPS system
lightning protection
cathodic protection
acceptance testing.

Contracts

Latest awards and orders

  1. DOCAB133015BA0043Blanket purchase agreement (BPA)VehicleDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for POLYPHASE SYSTEM INC lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

176 PEDRO BENAVENTE ST

BARRIGADA, GU, 96913

USA

Mailing Address

P.O. BOX 21146 GMF

BARRIGADA, GU, 96921

USA

Government Business Contact

GLENDALYN C CAROLINO

PRESIDENT

P.O. BOX 21146 GMF

BARRIGADA, GU, 96921

USA

Electronic Business Contact

MYRA ANTONETTE OSCIANAS

ACCOUNTANT

P.O. BOX 21146 GMF

BARRIGADA, GU, 96921

USA

Past Performance Contact

RAUL A MANIAGO

P.O. BOX 21146

BARRIGADA, GU, 96921

USA

Government Business Alternate Contact

MICHAEL JAY C CAROLINO

ASSISTANT GENERAL MANAGER

P.O. BOX 21146 GMF

BARRIGADA, GU, 96921

USA

Electronic Business Alternate Contact

GLENDALYN C CAROLINO

PRESIDENT

P.O. BOX 21146

BARRIGADA, GU, 96921

USA

Past Performance Alternate Contact

MICHAEL JAY CAROLINO

GENERAL MANAGER

P.O. BOX 21146 GMF

BARRIGADA, GU, 96921

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

POLYPHASE SYSTEM INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 24, 2027.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Registered for disaster relief contracting

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Dec 12, 2007

Last Update

Aug 27, 2026

Registration Activation

Active — Aug 27, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

98

Other contractors in Guam with primary NAICS 238210