Environmental consulting and engineering services provide design planning and assessment, project management, permit acquisition and other services

Engineering consulting firms provide engineering services and expertise to companies in need of a specialized skill-set.

Trade organizations and professional societies develop and provide standards, information and training to improve and/or promote an industry segment.

Instructional seminars and training includes non-credit programs; courses or seminars in engineering, science, technology, management, and other specialized subject areas; and production operation or application-specific training

Engineering design firms provide total design for new components, products and equipment, including load analysis, part and material specification, manufacturing drawings, product manuals, and often manufacturing support and/or certification documentation

Trade journals, books and technical publications focus on a specific field or industry segment with regard to engineering, science, or technology

Mechanical contracting services include the installation of HVAC equipment, HVAC controls, ducting and any other mechanical equipment incorporated within a building