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

Architecture and architectural services design buildings and structures for commercial and industrial applications

Construction management services plan and coordinate construction projects as an owner’s representative. Responsibilities include contract negotiation, scheduling, budget adherence, and subcontractor management

Modular building construction products are used in a variety of residential, educational, commercial, and industrial applications

Construction and building inspection services include lab or field testing, analysis and monitoring of structures and building materials such as foundations, drainage systems, pavement, concrete, soils and reinforcing or structural steel

Building supplies include concrete, glass, wood stock forms, pre-fabricated components and other supplies for building and construction applications

Mapping and surveying services perform all of the activities that involve the physical measurement of land areas, including field surveying and data collection operations as well as the creation of maps using existing or acquired data.

Facility management services perform building operations and maintenance, project management, subcontractor management, energy management, budget planning, commissioning and de-commissioning services for buildings and facilities

HVAC services include construction, installation, and servicing of heating, cooling and ventilation systems and equipment

Electrical utility services are involved in the design, siting, construction, service, repair, and inspection of electrical utility facilities, substations, and transmission and distribution lines

Lighting Design Services are services that aid in the procurement and lighting layout within rooms, factories or entire properties.

Electric and gas utilities supply electric power and/or natural gas or connect lines to industrial, commercial, and residential customers

Estimating software or job costing software is used to estimate the cost of projects

Water and wastewater management and treatment services are publicly-owned treatment works (POTW) that serve residential, commercial, and industrial facilities and infrastructures

Lamps are light sources that emit incoherent light for illumination. There are many different types of products. Examples include fluorescent lamps, halogen lamps, heat lamps, incandescent lamps, LED lamps, projection lamps, spectral lamps, and stage lamps. Specialized and proprietary lamps are also available.