Bitcoin is in the process of being centralised around a corporation called Digital Currency Group. It's holdings are listed below.
Notice the presence of Blockstream that controls Core devs but also Coinbase/GDAX (biggest exchange), Coindesk, Bitpay (payment processor) and 200 others companies.
A
ABRA
On a Mission to Digitize Cash / SAN FRANCISCO, CA
AVERON
Instant Effortless Mobile Authentication / SAN FRANCISCO, CA
AXONI
Capital Markets Technology / NEW YORK, NY
B
BIGCHAINDB
The Scalable Blockchain Database / BERLIN, GERMANY
BITFLYER
The Leading Bitcoin Exchange in Japan / TOKYO, JAPAN
BITGO
Multi-sig & Key Security Services / PALO ALTO, CA
BITMARK
Property Rights for Digital Assets / TAIWAN
BITOASIS
Leading Bitcoin Exchange in MENA / DUBAI, UAE
BITPAGOS
Financial Services in Emerging Markets / BUENOS AIRES, ARGENTINA
BITPAY
Bitcoin Payments Deposited to Your Bank / ATLANTA, GA
BITPESA
Next Generation Payments for Africa / NAIROBI, KENYA
BITPREMIER
The Bitcoin Luxury Marketplace / BETHESDA, MD
BITSO
Mexican Bitcoin Exchange, Ripple Gateway / MEXICO CITY, MEXICO
BITWALA
Blockchain Banking / BERLIN, GERMANY
BLOCKSTACK
The Blockchain Application Stack / NEW YORK, NY
BLOCKSTREAM
Advancing Blockchain Technology / SAN FRANCISCO, CA
BLOQ
Enterprise Grade Blockchain / CHICAGO, IL
BOLD (ACQUIRED)
Scale Faster. Pay Better. / SAN FRANCISCO, CA
BOOST VC
Seed Stage Accelerator for Future Tech / SAN MATEO, CA
BRAVE
Fast, Safe, Secure Browser / SAN FRANCISCO, CA
BTCC
Blockchain Technology & Cryptocurrencies / SHANGHAI, CHINA
BTCJAM
P2P Global Lending Platform / SAN FRANCISCO, CA
C
CAMBRIDGE BLOCKCHAIN
Identity Compliance Simplified / CAMBRIDGE, MASSACHUSETTS
CHAIN
Enabling a New Medium for Assets / SAN FRANCISCO, CA
CHAINALYSIS
Blockchain Analysis & Compliance Layer / NEW YORK, NY
CHANGETIP (ACQUIRED)
Microtransactions Infrastructure / SAN FRANCISCO, CA
CIRCLE
Digital Bank & Wallet / BOSTON, MA
CIVIC
Everyone Deserves a Secure Identity / PALO ALTO, CA
COBALT
Reengineering Financial Markets / LONDON, UK
COGNITO
Identity Verification and Due Diligence / PALO ALTO, CA
COINBASE
The Easiest Way to Buy, Sell, and Trade / SAN FRANCISCO, CA
COINDESK
Blockchain News, Events, and Research / NEW YORK, NY
COINS
Financial Services for the Unbanked / MANILA, PHILIPPINES
COINSETTER (ACQUIRED)
Institutional Exchange and ECN / NEW YORK, NY
COLU
Creating Digital Cash / TEL AVIV, ISRAEL
CRYPTO FACILITIES
Enterprise Trading and Risk Management / LONDON, UK
CUSTOS MEDIA TECHNOLOGIES
Combat Digital Piracy with Bitcoin / STELLENBOSCH, SOUTH AFRICA
D
E
ELLIPTIC
The Standard for Blockchain Intelligence / LONDON, UK
ENIGMA
Platform for Building Crypto-Hedge Funds / SUNNYVALE, CA
ETHERSCAN
Ethereum Block Explorer / KUALA LUMPUR, MALAYSIA
EVERLEDGER
Blockchain Ledger for Valuable Items / LONDON, UK
F
FILAMENT
Blockchain-based Industrial Internet / RENO, NV
G
GEM
Blockchain Application Platform / VENICE, CA
GENESIS GLOBAL TRADING
Digital Currency Trading Firm / NEW YORK, NY
GRAYSCALE
Digital Currency-Focused Asset Manager / NEW YORK, NY
GYFT (ACQUIRED)
Mobile Gift Cards for Bitcoin Purchases / REDWOOD CITY, CA
H
HASHPLEX
Mining Hosting Service / SEATTLE, WA
HIJRO
Powering Trade / LEXINGTON, KY
I
ITBIT / PAXOS
Blockchain Solutions for Finance / NEW YORK, NY
J
JACKPOCKET
Play the Lottery on Your Phone / BROOKLYN, NY
JOYSTREAM
A Decentralized Digital Content Platform / OSLO, NORWAY
K
KORBIT
Cross-border Settlement Platform / SEOUL, SOUTH KOREA
KRAKEN
Digital Asset Exchange / SAN FRANCISCO, CA
L
LEDGER
Bitcoin & Blockchain Security Solutions / PARIS, FRANCE
LIVEPEER
Token Powered Live Video Broadcasting / NEW YORK, NY
LUNO
Bitcoin for Everyone, Everywhere / SINGAPORE, SINGAPORE
M
MEDIACHAIN LABS (ACQUIRED)
An Open, Universal Media Library / NEW YORK, NY
MELOTIC
Cross Border Banking Services / HONG KONG
MIFIEL
Sign and Endorse Blockchain Contracts / GUADALAJARA, MEXICO
MONI
Mobile First Banking and Global Payments / HELSINKI, FINLAND
N
NETKI
Digital Currency Made Easy / LOS ANGELES, CA
NIVAURA
End-to-End Automation of Securities / LONDON, UK
O
OB1
OB1 Makes Online Trade Free for Everyone / FAIRFAX, VA
P
POSABIT
Payment Solution for Cannabis Industry / SEATTLE, WA
PROTOCOL LABS (IPFS)
Bitcoin Currency and Data Storage / SAN FRANCISCO, CA
PROVENANCE
The Future of Brand Trust / LONDON, UK
PURSE
Universal Native Payments / SAN FRANCISCO, CA
Q
R
REVELATOR
Assets, Rights, and Data / TEL AVIV, ISRAEL
RIPPLE
Enabling the Internet of Value / SAN FRANCISCO, CA
RSK LABS (ROOTSTOCK)
Smart Contracts Powered by Bitcoin / ARGENTINA
S
SAFELLO
Blockchain Services Aggregator / STOCKHOLM, SWEDEN
SHAPESHIFT
Digital Asset Exchange / ZUG, SWITZERLAND
SHOCARD
Identity for a Mobile World / PALO ALTO, CA
SKUCHAIN
Blockchain for Collaborative Commerce / MOUNTAIN VIEW, CA
SONIA
AI Virtual Assistance / SAN FRANCISCO, CA
STREAMI
Streamlining Cross-Border Remittance / SEOUL, SOUTH KOREA
SURBTC
Chilean Bitcoin Exchange / SANTIAGO, CHILE
T
TIERION
Global Proof Engine / MOUNTAIN VIEW, CA
TOKEN
Helping Banks Succeed in the Digital Age / SAN FRANCISCO, CA
TRADEBLOCK
Institutional Tools and Analytics / NEW YORK, NY
TRADEWAVE
Algorithmic Trading Tools / SAN FRANCISCO, CA
U
UNOCOIN
India's Leading Bitcoin Company / BANGALORE, INDIA
V
VEEM
Simple Cross Border Payments / SAN FRANCISCO, CA
W
WYRE
Enterprise Money Transfer Platform / SAN FRANCISCO, CA
X
XAPO
World's Most Secure Bitcoin Wallet / PALO ALTO, CA
Y
YOURS
Earn Money Creating and Curating Content / SAN FRANCISCO, CA
Z
ZCASH
Privacy Technology for Blockchains / BOULDER, CO
ZEPPELIN
Framework for Secure Distributed Apps / PALO ALTO, CA