[Kill Joy]

Company - Category - Support Type

Abra - Worldwide payments - Support
Altana - Wallet - Support
Azteco - Consumer Bitcoin - Support
Bitcoin Embassy - Education - Support
Bitcoin India - Miner - Support
BitCoinReminder - Tool - Support
Bitfury - Miner - Support
BitKong - Casino - Support
Bitonic (BL3P) - Exchange - Support
BitPay - Payment processor - No support
Bitrated - Identity & consumer protection - Support
Bitrefill - Exchange - Support
Bittylicious - Exchange - Support
Bitvest - Gambling - Support
Blockchain Academy - Education - Support
Blockonomics - Explorer - Support
Bustabit - Casino - Interest
Bylls - Service - Support
Ciphrex - Wallet/Development Stack - Support
CoinGate - Payment Processor - Support
Coinkite - Hardware/Software - Support
Coinomi - Multi-currency Wallet - Support
Darknet Heroes League - Dark Net Marketplace - Support
Échange de Montréal - Exchange - Support
Electrum - Wallet - Support
Freedom Node - Education - Support
HolyTransaction - Wallet/Crypto-to-Crypto Exchange - Support
inbitcoin - Payment Processor - Ready
JoinMarket - Mixer - Support
LightningASIC - Miner - Support
MegaDice - Gambling - Support
Microsoft - Decentralized Identity dpt. - Support
MojBitcoin - ATM Operator - Support
Mycelium - Wallet - Ready
Prasos - Bitcoin broker - Support
Samourai Wallet - Wallet - Support
Satoshi Counter - Broker - Support
Satoshi Portal - Financial services - Support
Stampery Inc. - Timestamping - Support
Simple Bitcoin Wallet - Wallet - Support
Trezor - Hardware Wallet - Ready
Trezor Web Wallet - Hardware Wallet - Ready, in beta , implemented
Vaultoro - Bitcoin & gold exchange - Support
Walltime - Exchange - Support
Yogh - Explorer - Support

Source: http://www.uasf.co/

[Zexus99]

Exodus is also supporting BIP148 (if you want to add it to your list)
http://prntscr.com/g1dzay