English to German Tech/Engineering Construction / Civil Engineering building services / estimating software

When pricing a job, you need to be sure your ***syndicate catalogues*** are up to date and easy to use and adjust.

Using a estimating system which automatically gives you access to the latest catalogue can remove risk and speed up the estimating process.
(...)

Similarly if you have your own product information make sure you can add and maintain it easily in your database so it is easily accessible alongside any ***syndicate catalogues*** you may use.

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This is from some marketing material giving mechanical and electrical contractors independent advice on how to create accurate estimates. I really struggle even to understand what the word syndicate actually means in this context. Thanks for your help.