The determination of the top Enterprise Resource Planning (ERP) system in Singapore revolves around several aspects such as the very needs of your business, sector requirements, budget, and scaling. Although, in Singapore, some ERP systems are exceptionally known and famed for their all-inclusive features and flexibility. Here are some of the top ERP systems you might consider:

1. SAP Business One: First and foremost, SAP Business One is recommended for its powerful characteristics built for small and medium-sized enterprises (SMEs). In addition, it has all-inclusive modules for finance, sales, customer management, etc. 

2. Oracle NetSuite: A cloud ERP solution is even more flexible with high eevel of scalability, accessible for firms of different sizes. Among the multiple features of this solution, one can find financial management, CRM, e-commerce, etc.

3. Microsoft Dynamics 365: Being part of the Microsoft suite, this ERP is better integrated with Microsoft products. Thanks to this feature, you have both flexibility and scalability, either. It can be used in different industries and has sufficient room for finance, operations, and customer service modules.

4. Sage 300: Sage 300 which was initially called Sage ERP Accpac is quite widespread among SMEs in Singapore. Besides, it is equipped with excellent financial management tools and is recognized for the fact that it is user-friendly.

5. Epicor ERP: Epicor ERP is prominent through construction and distribution sectors as it delivers complete solutions which are automated with the aim of improvement of performance.

6. Infor CloudSuite: Infor CloudSuite is known for the provision of solutions that are specific to various industrial segments. The ERP applications are cloud-based and are designed for different sectors, they are all accessible under the Infor CloudSuite label.

7. Odoo: Odoo is an open-source ERP that is not only customizable but also cost-effective. It is composed of numerous modules, such as sales, inventory, and accounting. 

8. Acumatica: Acumatica is a cloud ERP that is notably popular among SMEs because of its flexibility and comprehensive suite of business management applications.

Selecting an ERP system is very important, thus the erring choice will be disastrous, to minimize risks be sure to do a thorough needs assessment, think about the plan for future growth, and perhaps reach the expert ERP implementation partner for the recommendations on implementation methodology of the respective system that will help you in achieving business objectives.