Jack Black skincare - antiperspirant deodorant that will never cause itching or irritation. It was so fantastic that I automatically switched to them for all bathing and shave stuff. The Beard Lube shave lotion is also wonderful.
Bruichladdich - always pleasant, haven't had a bad version of the Port Charlotte yet.
Copperworks Distillery - from Seattle. They've been making single malt whiskys for a couple of years now, and they're improving at a ridiculous rate. Lovely guys too.
Windows laptops - because I'm an adult and prefer not to work on a toy with a light-up fruit on the front. (Notable exception for Dells, which are cheap underpowered limited-lifespan trash)
Sony electronics - they just don't quit. I'm really disappointed that they no longer make the Vaio laptop because my last one was so good, the only reason I replaced it was because it was 10 years old and it was time. My Bravia TV is in the same category; the picture is a little dark and I hear that that's common with them, so :/ ... and yet I'm disinclined to go with another manufacturer when the time comes to move on.
Apple iPhones - because they just f 🤬 in' work. They've made some shite models over the years, but when they're good - they're good.
The Property Of.... - leather goods. I love their bag designs and quality. Bought my wallet from them, and when I needed a pouch to keep receipts, I knew who I was going to.
John Varvatos (mostly shoes but sometimes jeans) - they know how I want to look. Most of their offerings are a bit "wannabe-rock-star" but in each season collection there's a very mature, put-together sensibility in some of the pieces. And the shoes last forever. I've got a pair of suede chukkas I really like that I've had for 10 years now, and have only had to re-sole them / replace the laces once.
The New York Times - because they care about the truth.
New York Magazine and related websites - because I really enjoy their sensibility and trust their taste, especially with TV and movie reviews.
The National Weather Service (U.S. NOAA) - skip the fancy nonsense and just get the forecast.
Google Maps - say what you will about its parent company, but this tool is absolutely invaluable.
Taffy Brodesser-Akner - a wonderful writer. Lovely longform journalism, and even her profiles of celebrities are interesting and touching.
Drew Magary - same as above, very heartfelt and funny writing.
Tide - no real brand loyalty, but it's just what I automatically buy. Maybe it's the advertising? Though I do like the cold-water formulation since it's better for the environment and also for not shrinking my favorite T-shirts
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The list likely goes on; I'm the kind of dude who will stick with a brand if they've proven themselves to be of good quality.