PERTINACIOUS HOLDINGS LLC

Construction Machinery Manufacturing

Establishments in this category are primarly engaged in manufacturing construction machinery, surface mining machinery, and logging equipment.

Illustrative Examples:

Backhoes manufacturing
Bulldozers manufacturing
Construction and surface mining-type rock drill bits manufacturing
Construction-type tractors and attachments manufacturing
Off-highway trucks manufacturing
Pile-driving equipment manufacturing
Portable crushing, pulverizing, and screening machinery manufacturing
Powered post hole diggers manufacturing
Road graders manufacturing
Surface mining machinery (except drilling) manufacturing

Software Publishers

Establishments in this category are primarly engaged in software publishing. Establishments in this industry carry out operations necessary for producing and distributing computer software, such as designing, providing documentation, assisting in installation, and providing support services to software purchasers. These establishments may design, develop, and publish, or publish only. These establishments may publish and distribute software through subscriptions and/or downloads.

Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing

This includes establishments primarily engaged in renting or leasing heavy equipment without operators that may be used for construction, mining, or forestry, such as bulldozers, earthmoving equipment, well drilling machinery and equipment, or cranes.

Engineering Services

Establishments in this category are primarly engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

Illustrative Examples:

Civil engineering services
Environmental engineering services
Construction engineering services
Mechanical engineering services
Engineers' offices
Robotics automation engineering services