GovChime
UEI: W4T3KCMWAXH6 • CAGE: 25Y24

C-COMBINATOR, A PUBLIC BENEFIT CORPORATION (MA)

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Sep 30, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Jan 21, 2020 (6 years)
Location
Hingham, MA
State of incorporation
Delaware
Purpose of registration
All Awards
Website
carbonwave.com
All federal contractors in MassachusettsHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI W4T3KCMWAXH6. GovChime does not check exclusions.

Performance

Capabilities

SBA certifications

No certification in the SBA profile data.

Product and service codes (PSC)

  • 8720FERTILIZERS

Contracts

Contact Info

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

SAM.gov registration for C-COMBINATOR, A PUBLIC BENEFIT CORPORATION lists a physical address and a separate mailing address, along with 3 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

3 CATHA LN

HINGHAM, MA, 02043

USA

Mailing Address

3 Catha Lane

Hingham, MA, 02043

USA

Government Business Contact

Allen McGonagill

Chief Strategy Officer

3 Catha Lane

Hingham, MA, 02043

USA

Electronic Business Contact

Allen McGonagill

Chief Strategy Officer

3 Catha Lane

Hingham, MA, 02043

USA

Electronic Business Alternate Contact

Ben Ellis

CFO

3 Catha Lane

Hingham, MA, 02043

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

C-COMBINATOR, A PUBLIC BENEFIT CORPORATION has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 30, 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

Not registered for disaster relief

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Sep 28, 2026

Last Update

Oct 13, 2026

Registration Activation

Active — Oct 13, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

08

Other contractors in Massachusetts with primary NAICS 541714