"Defense contractor" means a business, other than a defense production business, that is primarily engaged in providing services in support of national defense, including but not limited to logistics and technical support.
"Defense production business" means a business engaged in the design, development, or production of materials, components, or equipment required to meet the needs of national defense. A locality may also include as a defense production business any business that performs functions ancillary to or in support of the design, development, or production of such materials, components, or equipment.
Va. Code § 58.1-3853