NORTH AMERICAN INDUSTRY CLASSIFICATION SYSTEM (NAICS) CODES |
| 541219 Other Accounting Services |
561410 Document Preparation Services |
| 541330 Engineering Services |
561421 Telephone Answering Services |
| 541350 Building Inspection Services |
561431 Private Mail Centers |
| 541611 Administrative Management & General Management Consulting Services |
561499 All Other Business Support Services |
| 541612 Human Resources & Executive Search Consulting Services |
561720 Janitorial Services |
| 541614 Process, Physical Distribution, & Logistics Consulting Services |
561730 Landscaping Services |
| 541618 Other Management Consulting Services |
561990 All Other Support Services |
| 561110 Office Administrative Services |
611430 Professional & Management Development Services |
| 561210 Facilities Management |
621399 Offices of All Other Miscellaneous Health Practitioners |
| 561320 Temporary Help Services |
923130 Administration of Human Resource Programs |