GovChime
UEI: S5BSP37V76R4

BLACKSTONE HYDRO ASSOCIATES (MA)

DBA: BLACKSTONE HYDRO

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Apr 9, 2027

Registration

Doing business as
BLACKSTONE HYDRO
Entity structure
Partnership or Limited Liability Partnership
Business start date
Apr 9, 2020 (6 years)
Location
Cambridge, MA
State of incorporation
Massachusetts
Purpose of registration
Federal Assistance Awards
All federal contractors in MassachusettsHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI S5BSP37V76R4. GovChime does not check exclusions.

Performance

Capabilities

SBA certifications

No certification in the SBA profile data.

Contracts

Contact Info

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

SAM.gov registration for BLACKSTONE HYDRO ASSOCIATES lists a physical address and a separate mailing address, along with 2 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

130 PROSPECT ST

CAMBRIDGE, MA, 02139

USA

Mailing Address

130 PROSPECT ST

CAMBRIDGE, MA, 02139

USA

Government Business Contact

Robert Leahy

Chief Operating Officer

130 Prospect Street

Second Floor

Cambridge, MA, 02139

USA

Electronic Business Contact

Shaun Dempsey

Director of Operations

130 Prospect Street

Second Floor

Cambridge, MA, 02139

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

BLACKSTONE HYDRO ASSOCIATES has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires April 9, 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

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

Sep 19, 2023

Last Update

Apr 13, 2026

Registration Activation

Active — Apr 13, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

07