Overview

SIC Code Look Ups are performed in the same manner as most others, you can search by numerical code or description, and is available here -

https://www.insurancexdate.com/sic.php

They are organized by the Primary Group (first two digits) so you can also see what operations are contemplated under Agricultural Production Crops, for example - 

General Info

The SIC pages provide a detailed description of the operations for reference -

Cross Reference

Also available is a cross reference of commonly associated WC class codes, GL and NAICS -