Everyday businesses depend on HAYNES BUILDING SERVICE to keep their facilities neat and clean. Smart business people know that clean, well-kept facilities can enhance a corporate image and provide a healthy working environment. 125 West Maple Ave. Monrovia, CA 91016 Tel (626) 359-6100 Fax (626) 359-7008 9664 Hermosa Avenue Rancho Cucamonga, CA 91730 Tel (909) 484-7515 Fax (909) 484-7525