Neb. Rev. Stat. § 25-512.01: Neb. Rev. Stat. § 25-512.01

A partnership or limited partnership may be served by personal, residence, certified mail, or designated delivery service upon any partner except a limited partner, or by certified mail or designated delivery service at its usual place of business, or the process may be left at its usual place of business with an employee of the partnership or limited partnership.