When visiting the A+ Construction showroom, you will experience several cabinet lines by manufacturers located all across the country, throughout the north and midwest and even Canada. Frequently these regions are known for the right materials and craftsmanship to produce furniture grade cabinetry. Where do you start? Sonoma Kitchen & Bath. We have done the leg-work for you by selecting from among hundreds of lines to find the best balance of quality, versatility, customer service at a wide variety of prices to meet the needs of our clients in Northern California.