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UEI: SWG5B5R92G85 • CAGE: 3VLE7
Active

MATTISON CONTRACTORS INC (WI)

Registration facts

SAM.gov registration as of

SAM.gov registration status
Active (registration expiration date Aug 10, 2027)
UEI
SWG5B5R92G85
CAGE code
3VLE7
Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Oct 10, 2001
Location
KNAPP, WI

SBA certifications

No certification in the SBA profile data.

Other contractors in Wisconsin with primary NAICS 237310

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI SWG5B5R92G85. GovChime does not check exclusions.

Key Performance Statistics

View obligations by year, agencies and performance history

Capabilities

NAICS Codes

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Product/Service Codes

As of . Source: SAM.gov Goods & Services.

No PSC codes reported

Certifications

Business Types

Business or OrganizationFor Profit OrganizationSubchapter S Corporation

Contracts

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Contact Info

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

SAM.gov registration for MATTISON CONTRACTORS INC lists a physical address and a separate mailing address, along with 4 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

811 HIGHWAY 12 W

KNAPP, WI, 54749

USA

Mailing Address

P.O. Box 238

Knapp, WI, 54749

USA

Government Business Contact

JOHN O'Meara

811 USH 12

PO BOX 238

KNAPP, WI, 54749

USA

Electronic Business Contact

Eric Margelofsky

811 USH 12

Knapp, WI, 54749

USA

Government Business Alternate Contact

Eric Margelofsky

811 USH 12

Knapp, WI, 54749

USA

Electronic Business Alternate Contact

JOHN O'Meara

811 USH 12

PO BOX 238

KNAPP, WI, 54749

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

MATTISON CONTRACTORS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 10, 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

No active suspension or debarment

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Entity Structure:Corporate Entity (Not Tax Exempt)
Profit Structure:For Profit Organization
Organization:Subchapter S Corporation
CAGE Code:3VLE7

Registration Details

Source: SAM.gov

Date Founded

Oct 10, 2001

Initial Registration

Aug 10, 2026

Last Update

Aug 11, 2026

Registration Activation

Active — Aug 11, 2026

Registration Expiration

Aug 10, 2027

Fiscal Year End

12/31

State of Incorporation

WI

Country of Incorporation

USA

Congressional District

03