Want to write MSA with multiple prequalified vendors... how to? Is it possible?

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We are trying to have a negotiation where multiple vendors can all be awarded an MSA contract. There are no lines in this type of a negotiation.

The intention is to build up a list of prequalified vendors and have a record that all vendors passed the RFI screening stage. We want to have the vendors able to redline/edit the MSA as part of the negotiation.

Once the negotiation is completed, we know that these vendors are now good to approach for follow-up work.

Is such a negotiation style possible?

Is it possible to award multiple vendors a contract without line items?