General contracting services serve as a single point of responsibility for construction projects. These companies perform layout, scheduling, estimating, and sub-contracting activities. General contractors also complete the construction itself.
Geotechnical engineering services includes soil, rock and subsurface testing and analysis for site feasibility, foundations, embankments, pavements, retention structures, and other earthworks projects.
Materials processing services providers manufacture mechanically or thermally process metals, ceramics, polymers, glasses or other materials on a contract basis.
Chemical and material processing services modify or produce chemicals, powders, foods, minerals, rubber, plastics, adhesives, and other bulk materials on a contractual, toll or fee basis. Common processes include compounding, distillation, drying, formulation, mixing, blending, purification, extraction, synthesis, and powder milling.
