Yes, however there are some restrictions.

The current posting permissions for business members in each posting category are as follows:

Newcomer Introductions
> New Posts – YES
> Comments/Replies – YES

Recommendation Requests
> New Posts – NO
> Comments/Replies – YES

Special Offers
> New Posts – NO
> Comments/Replies – YES

Feedback & Ideas
> New Posts – YES
> Comments/Replies – YES

NB: Please make sure you read and understand the posting guidelines for business members here.