Major Customers

The Company had four major customers during 2015, Navistar, Volvo, PACCAR and Yamaha. Major customers are defined as customers whose current year sales individually consist of more than ten percent of total sales during any annual or interim reporting period in the current year. The loss of a significant portion of sales to Navistar, Volvo, PACCAR or Yamaha would have a material adverse effect on the business of the Company.

The following table presents sales revenue for the above-mentioned customers for the years ended December 31:



	2015		2014		2013
Navistar product sales	$	50,169,000	$	51,254,000	$	46,384,000
Navistar tooling sales	6,246,000		76,000		972,000
Total Navistar sales	56,415,000		51,330,000		47,356,000

Volvo product sales	53,525,000		46,340,000		11,508,000
Volvo tooling sales	1,600,000		2,519,000		936,000
Total Volvo sales	55,125,000		48,859,000		12,444,000

PACCAR product sales	33,452,000		35,602,000		42,784,000
PACCAR tooling sales	978,000		526,000		7,370,000
Total PACCAR sales	34,430,000		36,128,000		50,154,000

Yamaha product sales	16,766,000		16,911,000		13,648,000
Yamaha tooling sales	—		—		—
Total Yamaha sales	16,766,000		16,911,000		13,648,000

Other product sales	35,191,000		19,637,000		19,772,000
Other tooling sales	1,141,000		2,339,000		751,000
Total other sales	36,332,000		21,976,000		20,523,000

Total product sales	189,103,000		169,744,000		134,096,000
Total tooling sales	9,965,000		5,460,000		10,029,000
Total sales	$	199,068,000	$	175,204,000	$	144,125,000