Local family-owned, Holthaus Companies has provided Central Illinois with great work for over 20 years. We help every customer extend the life of their roof with repairs and maintenance, and when needed give them a beautiful new roof, complete with the industry's best warranty. Helping Customers with Residential, Commercial and Industrialneeds. CertainTeed and Atlas Factory Certified Shingle Systems. Authorized Duro-Last Master Elite Contractor. Water-Tight Single-Ply Roofing for Low-Sloped Roofs Seamless and Commercial Gutters, Screens, and Covers New Roofs & Re-Roofs Repairs & Metal Roof Restoration Insurance Work Accepted Best Warranties In the Industry Let us help you with your next roof and ask us how your roof can pay for itself.