Block Data Systems adds value! Tom Block has 30+ years of IT experience and started his IT career as an Army Satellite Communications Engineer. He worked for the California Institute of Technology, Owens Valley Radio Observatory, building the millimeter interferometer. Tom worked as Senior Systems Analyst for GTE Internetworking managing aspects of global website development and security for Fortune 500 companies. As a Senior Sales Engineer for a global website company, Tom managed post-sales production and implementation at Genuity. Tom is a disabled veteran and supports CA disabled veterans interested in building and expanding business opportunities. In 2002, Tom launched Block Data Systems. He leads small businesses through computer equipment assessment and technology needs in order to effectively & efficiently run a business. Tom is very personable; he gets to know you and your company and he focuses on user friendly design, simplicity, and energy efficiency-all within your budget. Knowledgeable and friendly, Tom is a technological leader.
| Website | http://www.blockdata.net |
| Revenue | $6.4 million |
| Employees | View employees |
| Address | 25316 Morse Ct, Hayward, California 94542, US |
| Phone | +1 510-733-6611 |
| Industry | Computer Networking Equipment, Network Security Hardware & Software, Computer Equipment & Peripherals, Manufacturing |
| Competitors | Chainalysis, Elliptic, Blockstream, Messari, CoinGecko, Amberdata, Dune Analytics, Nansen Limited, CryptoCompare, Bits Of Proof +42 more (view full list) |
| SIC | SIC Code 35 Companies, SIC Code 357 Companies |
| NAICS | NAICS Code 33 Companies, NAICS Code 42 Companies |
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Block Data Systems , LLC Questions
The Block Data Systems , LLC annual revenue was $6.4 million in 2026.
Block Data Systems , LLC is based in Hayward, California.
The NAICS codes for Block Data Systems , LLC are [33, 42].
The SIC codes for Block Data Systems , LLC are [35, 357].
