Overview
Registered industries (NAICS)
Registered in 2 industries; primary 541330
No prime contract or subcontract to this company appears in the federal contract records from FY2001 on.
Opportunities
Open opportunities matching Block 3 Holdings LLC's registered industries
Notices in its 2 industries (NAICSNAICS code: a six-digit code for the kind of work a company does. Each contract carries one, and it sets the small-business size limit. Glossary): 541330, 541690
25 of the next 25 are due within 30 days.
25 of 127 opportunities shown · See all (opens another page)
| Opportunity | Agency | Due |
|---|---|---|
| Request for Whitepaper - AEDC Facility Digital Twins and Predictive Analytics (opens in Procura)Solicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Air Force (DOD)FA9101 AEDC PKP PROCRMNT BR | Oct 21, 2026 |
| Software Defined Radio Solutions (SDRS) Integrated Product Team (IPT) Technical Support (opens in Procura)Presolicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NIWC ATLANTIC (N65236) | Oct 21, 2026 |
| Missile Defense Agency - Advanced Planning Services (opens in Procura)Combined Synopsis/Solicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Missile Defense Agency (DOD)MISSILE DEFENSE AGENCY (MDA) (HQ0854) | Oct 21, 2026 |
| NAWCAD WOLF - Presolicitation Notice – Sole-Source Requirement for SNC Hardware and Software Trouble Report Support Basic Ordering Agreement (BOA) Task Order (TO) (opens in Procura)Presolicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVAL AIR WARFARE CENTER AIR DIV (N00421) | Oct 21, 2026 |
| LARS Hardware Refresh (opens in Procura)Presolicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Air Force (DOD)FA8509 AFLCMC WIUKA | Oct 21, 2026 |
| HVAC Re-Engineering Service (opens in Procura)Special Notice · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVAL RESEARCH LABORATORY (N00173) | Oct 22, 2026 |
| 619-25-902 | Mitigate Critical Electrical Hazards | AE CPS (opens in Procura)Presolicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of Veterans Affairs247-NETWORK CONTRACT OFFICE 7 (36C247) | Oct 22, 2026 |
| Sources Sought - BIOMEDICAL ENGINEERING TECHNICAL SUPPORT SERVICES (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | National Institutes of Health (HHS)NATIONAL INSTITUTES OF HEALTH OLAO (75N980) | Oct 22, 2026 |
| Provide design services to perform field condition assessments of existing coating systems as defined in NASA/KSC’s Corrosion Control database, input condition assessment data into the database. (opens in Procura)Special Notice · Set aside: 8(a) sole source · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | National Aeronautics and Space AdministrationNASA SHARED SERVICES CENTER (80NSSC) | Oct 22, 2026 |
| NAWCAD WOLF IC2IS Intelligence Communications Support Follow-On Sources Sought (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVAL AIR WARFARE CENTER AIR DIV (N00421) | Oct 23, 2026 |
| Advance Notice DRAFT RFP N0016426R3007 NON-PERSONAL ACQUISITION ENGINEERING, PRODUCT SUPPORT AND LOGISTICS (PSL) SUPPORT TO THE MARITIME ELECTROMAGNETIC WARFARE DIVISION- PSC R706 - NAICS 541330 (opens in Procura)Special Notice · Set aside: Service-disabled veteran-owned small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NSWC CRANE (N00164) | Oct 23, 2026 |
| FDRMC ENGINEERING SUPPORT SERVICES (opens in Procura)Solicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVSUP FLC SIGONELLA NAPLES OFFICE (N68171) | Oct 23, 2026 |
| PM MAGTF C2 PMO Support Services Engineering and Logistics (opens in Procura)Solicitation · Set aside: Service-disabled veteran-owned small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)COMMANDER (M67854) | Oct 23, 2026 |
| *FOR SEAPORT-NXG MAC HOLDERS* PROGRAM MANAGEMENT SUPPORT - FULL SMALL BUSINESS SET ASIDE Interested vendors are required to request access to restricted documents by emailing stephanie.r.tomaszewicz.civ@us.navy.mil (cc heather.l.rhoads2.civ@us.navy.mil) (opens in Procura)Solicitation · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NSWC PHILADELPHIA DIV (N64498) | Oct 23, 2026 |
| MODIFIED WC-130J RTP APN-241 WEATHER RADAR SUSTAINING ENGINEERING SUPPORT RESEARCH AND SUPPORT TASK (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Air Force (DOD)FA8509 AFLCMC WIUKA | Oct 23, 2026 |
| Geotechnical Engineering Services (opens in Procura)Combined Synopsis/Solicitation · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Air Force (DOD)FA8126 AFSC PZIMB | Oct 23, 2026 |
| Overseas Professional Support Services (opens in Procura)Combined Synopsis/Solicitation · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVSUP FLT LOG CTR PUGET SOUND (N00406) | Oct 23, 2026 |
| Seaport - CTF Design Services Follow On (opens in Procura)Solicitation · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NSWC PHILADELPHIA DIV (N64498) | Oct 23, 2026 |
| PMX-201 PM Services Support Amendment 1 (opens in Procura)Solicitation · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVAL AIR WARFARE CENTER AIR DIV (N00421) | Oct 24, 2026 |
| MAVEN FSR (opens in Procura)Sources Sought · Set aside: HUBZone · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)DIRECTOR OF CONTRACTING (M67861) | Oct 26, 2026 |
| Request for Information Project Manager, Short and Intermediate Effectors for Layered Defense Avenger Weapon System Support (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Army (DOD)W6QK ACC-RSA (W58RGZ) | Oct 26, 2026 |
| Ground Systems and Mission Operations-4 (GSMO-4) (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | National Aeronautics and Space AdministrationNASA GODDARD SPACE FLIGHT CENTER (80GSFC) | Oct 26, 2026 |
| NAWCAD WOLF Identification Systems Technical Management Support Services RFO (opens in Procura)Solicitation · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of the Navy (DOD)NAVAL AIR WARFARE CENTER AIR DIV (N00421) | Oct 26, 2026 |
| R--Technical Support for Drinking Water Optimization Program (opens in Procura)Sources Sought · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Environmental Protection AgencyWATER, TRIBAL & SCIENCE DIVISION (68HERW) | Oct 26, 2026 |
| SOLICITATION NUMBER 391214 “2704 HV PRIVACY BATHROOM DESIGN” (opens in Procura)Sources Sought · Set aside: Small business · NAICS 541330Free account: full notice, dates, attachments Contacts · paid plans | Department of EnergyOffice 899091 | Oct 26, 2026 |
Registration and contacts
Registration
- UEI
- NAYUP9JN21V3
- CAGE code
- 07S39
- Registration
- Active, expires Jul 1, 2027
- Entity type
- Corporate Entity (Not Tax Exempt)
- Location
- Clifton, VA, 20124
- Congressional district
- VA-11
Registered industries (NAICSNAICS code: a six-digit code for the kind of work a company does. Each contract carries one, and it sets the small-business size limit. Glossary)
Registered in 2 industries; primary 541330
Contacts at Block 3 Holdings LLC
| Contact | Role | As of |
|---|---|---|
| See contactsLocked · Data Explorer or any paid plan (name, title and contact details with Data Explorer or any paid plan) | Government business POC · Electronic business POC · Company contactSAM.gov registrationSBA profileAs of Oct 4, 2026 | Oct 4, 2026 |
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