This is the list I received the last time I was there, but it’s been several months, so some of them are probably gone. They've had some deals with Whitehall Lane, Alpha Omega, Frank Family and Ballentine at least last 2 years. You can ask the hotel the most updated list, though.

Merryvale Vineyards complimentary for Alila guests, or discounted elevated experience
Markham Vineyards | An Unwavering Passion for Merlot complimentary for Alila guests
Whitehall Lane Winery - Whitehall Lane Winery complimentary for Alila guests
Alpha Omega Winery | Napa Valley (aowinery.com) complimentary elevated experience for Alila guests
Frank Family Vineyards complimentary for ALiLa guests
Faust (faustwines.com) complimentary for 2 Alila guests
Napa Valley Wine Tasting | St. Helena, CA | Freemark Abbey Winery complimentary appellation tasting or discounted for Cabernet elevated tasting for Alila guests
Paraduxx | Red Wine Blends | Silverado Trail Wineries complimentary cheese and charcuterie board, tastings fee $55.00 per person
Ballentine Vineyards ~ A Boutique Napa Winery 2 tastings for the price of 1 for Alila guests
Home - Corison 2 tastings for the price of 1 for Alila guests

Complimentary with purchase expectation of at least 3 bottles of red wine-
Fantesca Estate & Winery | At The Intersection of Artistry and Terroir
Cimarossa Wines | Howell Mountain