A true test to the quality of any company’s work is always found in the statements provided by the most important member of the Diamond Manufacturing of Bluffton team; its customers. Let’s take a look at just a few of the good things our customers are saying about Diamond Manufacturing of Bluffton:





"Diamond has been a good business partner for Braun Industries, Inc. since 2002. Diamond’s expeditious processing of our orders, and commitment to quality make doing business them an easy decision."

Tory Miller, C.P.M. Braun Industries, Inc.


"Guys, the racks look amazing. It is nice that you take such pride in your work".

Automotive Tier 1 Supplier


"During packaging development for a new model part we were having issues getting an acceptable design prototype from our supplier’s local source putting us behind schedule.  We contacted Diamond MFG to review the project.  Diamond MFG quickly provided a prototype for our internal review which was accepted without problems.  From design kick-off to final fabrication and delivery to our supplier, Diamond MFG maintained our required schedule providing status updates through the entire process."

Logistics Engineering Manager, Subaru of Indiana Automotive, Inc.


Date: 8/3/16

Name: Bill Runkle

Product ID: All Subaru Projects

Area to be Assessed



Meets Expectations Meets Few Expectations


Quote Competitiveness, Timing and Clarity


Quotes are a little higher than others but understood due to superior products and services.

Sample & Design


Innovative designs and good tracking on revisions.

Overall Satisfaction with Product Produced / Requirements Met




(availability & responsiveness)



Delivery Activities

(packaging, shipping, timeliness)


Always on time even when pressed for time.

Post-Delivery Activities

(required documents & invoicing)


Always accurate.

Any additional comments or suggestions:        


       Diamond MFG is the preferred fabricator for SIA and Greg Roberts is easily the most communicative sales person calling on Subaru. Status of SIA projects is never a mystery.

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