Architecture :: Maintaining Business Objects ?

We are using below class(TypeInterceptor) in one of our project to create the instance of business objects.

To Create any business object, we are using the below code

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BLayer.TestBO objTestBO;

this.objTestBO = TypeInterceptor.CreateObject<BLayer.TestBO>();

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I think using this kind of creational pattern makes the application not scalable as the same instance will be shared among all the concurrent users.Is it correct?

Is there any better way to abstract the creation and maintaining instance of business objects

Class code:namespace Microsoft.IT.RelationshipManagement.Internal.CISF.Infrastructure
{
using System;
using System.Linq;
using System.Text;[code].....