| 221111 — Hydroelectric Power Generation | Not reported |
| 221112 — Fossil Fuel Electric Power Generation | Not reported |
| 221113 — Nuclear Electric Power Generation | Not reported |
| 221114 — Solar Electric Power Generation | Not reported |
| 221115 — Wind Electric Power Generation | Not reported |
| 221116 — Geothermal Electric Power Generation | Not reported |
| 221117 — Biomass Electric Power Generation | Not reported |
| 221118 — Other Electric Power Generation | Not reported |
| 221121 — Electric Bulk Power Transmission and Control | Not reported |
| 221122 — Electric Power Distribution | Not reported |
| 236220 — Commercial and Institutional Building Construction | Not reported |
| 237130 — Power and Communication Line and Related Structures Construction | Not reported |
| 238210 — Electrical Contractors and Other Wiring Installation Contractors | Not reported |
| 322110 — Pulp Mills | Not reported |
| 541330 — Engineering Services | Not reported |
| 541350 — Building Inspection Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541618 — Other Management Consulting Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541714 — Research and Development in Biotechnology (except Nanobiotechnology) | Not reported |
| 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561110 — Office Administrative Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561410 — Document Preparation Services | Not reported |
| 561920 — Convention and Trade Show Organizers | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 624230 — Emergency and Other Relief Services | Not reported |
| 926130 — Regulation and Administration of Communications, Electric, Gas, and Other Utilities | Not reported |