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About Grayline
Grayline LLC has been manufacturing custom polymer tubing and heat shrink for automotive, appliance, and medical industries since 1966. ISO 9001 certified for 20+ years. 99%+ on-time delivery. Short runs to high-volume production.
Grayline is one of 651,680 companies listed in Wisconsin.
Business Contact Information
- Phone
- (262) 542-4300
- Website
- www.graylineinc.com
- Address
- Wisconsin, United States
Grayline: frequently asked questions
What does Grayline do?
Grayline LLC has been manufacturing custom polymer tubing and heat shrink for automotive, appliance, and medical industries since 1966. ISO 9001 certified for 20+ years. 99%+ on-time delivery. Short runs to high-volume production.
Where is Grayline located?
Grayline is located in Wisconsin, United States.
How can I contact Grayline?
Its website is www.graylineinc.com and its phone number is (262) 542-4300.
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Manufacturing sales in Wisconsin, 2026
In Wisconsin, Factur's 2026 study counted 30 manufacturing quotes worth $957K and 6 purchase orders over 12 months: 20% of quotes became orders, against 21% nationally. See the Wisconsin data.
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