Service Materials
| Company | Website |
| AY McDonald, Inc. | www.aymcdonald.com |
| Elkhart Products Corp. | www.elkhartproducts.com |
| Ford Meter Box Company | www.fordmeterbox.com |
| Handley Industries, Inc. | www.handleyind.com |
| Legend Valve | www.legendvalve.com |
| Mueller Company | www.muellercompany.com |
| Oil Creek Plastics | www.oilcreek.com |
| Wolverine Tube, Inc. | www.wlv.com |