Yes, there are microwaves available on the market with black interiors from various brands, not just Sharp. While Sharp is known for offering microwaves with black interiors, other manufacturers also produce models with this feature. It's worth noting that the availability of specific models and features can vary depending on your location and the current market offerings.
When searching for microwaves with black interiors, consider checking the product descriptions, specifications, and images provided by different manufacturers or online retailers to find the specific model that suits your preferences.