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MARRS frequently conducts business regulated by the North American Industry Classification System (NAICS) and its associated standards and conventions. Below you will find the full list of the NAICS codes MARRS routinely performs work under. MARRS qualifies as a small business under many of the below listed NAICS codes. Small business size standards for NAICS can be found at the SBA website here: NAICS Codes and Small Business Size Standards

236220 | Commercial and Institutional Bldg Construction
237110 | Water and Sewer Line and Related Structures Construction
237310 | Highway, Street, and Bridge Construction
541310 | Architectural Services
541330 | Engineering Services
541340 | Drafting Services
541380 | Testing Laboratories
541611 | Admin. Management and General Management Consulting Services
541620 | Environmental Consulting Services
541690 | Other Scientific and Technical Consulting Services
561110 | Office Administrative Services
561210 | Facilities Support Services
562910 | Remediation Services

The complete list of NAICS codes and related informaiton can be found here:

The NAICS system was designed to replace the SIC system (Standard Industrial Classification). For information regarding our SIC designations please contact our corporate headquarters.