ENGINEERING, ARCHITECTURAL, AND 
SURVEYING SERVICES (SIC 871)

Establishments primarily engaged in providing professional
engineering services.  Establishments primarily providing and
supervising their own engineering staff on temporary contract to
other firms are included here.  Establishments providing
engineering, but not supervisory, personnel are classified in
Industry 7363.  Photogrammetric engineering services are
classified in Industry 8713.

Establishments primarily engaged in providing professional
architectural services.  Landscape architectural services are
classified in Agriculture, Industry 0781.  Establishments
primarily engaged in providing graphic arts and related design
services are classified in Industry 7336, and those providing
drafting services are classified in Industry 7389.

Establishments primarily engaged in providing professional land,
water, and aerial surveying services.