In the United States, a limited liability company is a business entity type that combines the pass-through taxation of a partnership or sole proprietorship with the limited liability of a corporation, creating the best of both worlds for business owners. LLCs have rapidly become one of the most popular business structures for new and small businesses, largely because they are considered to be simpler and more flexible than a corporation.
Delaware "association", "company", "corporation", "club", "foundation", "fund", "incorporated", "institute", "society", "union", "syndicate", or "limited", (or abbreviations thereof, with or without punctuation), or words (or abbreviations thereof, with or without punctuation) of like import of foreign countries or jurisdictions (provided they are written in Roman characters or letters) Title 8, § 102, Delaware Code
On the other hand, if you are not responsible for its tax, then you should declare the equipment in Part III of the Business Property Statement (Equipment belonging to others). Where equipment is declared in Part III of the Business Property Statement, the Assessor will also send a Notice to File to the person reported as the equipment's actual owner.